Proposed Standards
-In each of these lists, RFC titles are shown in bold-face if they are current; obsoleted RFCs are shown in light red
RFC0698         Telnet extended ASCII option   (Obsoleted by: RFC5198)
RFC0726         Remote Controlled Transmission and Echoing Telnet option   
RFC0727         Telnet logout option   
RFC0735         Revised Telnet byte macro option   
RFC0736         Telnet SUPDUP option   
RFC0749         Telnet SUPDUP-Output option   
RFC0779         Telnet send-location option   
RFC0885         Telnet end of record option   
RFC0927         TACACS user identification Telnet option   
RFC0933         Output marking Telnet option   
RFC0946         Telnet terminal location number option   
RFC0977         Network News Transfer Protocol   (Obsoleted by: RFC3977)
RFC1041         Telnet 3270 regime option   
RFC1043         Telnet Data Entry Terminal option: DODIIS implementation   
RFC1053         Telnet X.3 PAD option   
RFC1073         Telnet window size option   
RFC1079         Telnet terminal speed option   
RFC1091         Telnet terminal-type option   
RFC1096         Telnet X display location option   
RFC1116         Telnet Linemode option   (Obsoleted by:  RFC1184)
RFC1131         OSPF specification   (Obsoleted by: RFC1247)
RFC1134         Point-to-Point Protocol: A proposal for multi-protocol transmission of datagrams over Point-to-Point links   (Obsoleted by:  RFC1171)
RFC1139         Echo function for ISO 8473   (Obsoleted by:  RFC1574, RFC1575)
RFC1144         Compressing TCP/IP Headers for Low-Speed Serial Links   
RFC1158         Management Information Base for network management of TCP/IP-based internets: MIB-II   (Obsoleted by: RFC1213)
RFC1172         Point-to-Point Protocol (PPP) initial configuration options   (Obsoleted by:  RFC1331, RFC1332)
RFC1195         Use of OSI IS-IS for routing in TCP/IP and dual environments   
RFC1220         Point-to-Point Protocol extensions for bridging   (Obsoleted by: RFC1638)
RFC1229         Extensions to the generic-interface MIB   (Obsoleted by:  RFC1573)
RFC1231         IEEE 802.5 Token Ring MIB   (Obsoleted by:  RFC1743, RFC1748)
RFC1232         Definitions of managed objects for the DS1 Interface type   (Obsoleted by:  RFC1406)
RFC1233         Definitions of managed objects for the DS3 Interface type   (Obsoleted by:  RFC1407)
RFC1237         Guidelines for OSI NSAP Allocation in the Internet   (Obsoleted by:  RFC1629)
RFC1243         AppleTalk Management Information Base   (Obsoleted by:  RFC1742)
RFC1248         OSPF Version 2 Management Information Base   (Obsoleted by:  RFC1252)
RFC1252         OSPF Version 2 Management Information Base   (Obsoleted by:  RFC1253)
RFC1253         OSPF Version 2 Management Information Base   (Obsoleted by:  RFC1850)
RFC1256         ICMP Router Discovery Messages   
RFC1269         Definitions of Managed Objects for the Border Gateway Protocol: Version 3   (Obsoleted by: RFC4273)
RFC1271         Remote Network Monitoring Management Information Base   (Obsoleted by:  RFC1757)
RFC1274         The COSINE and Internet X.500 Schema   (Obsoleted by: RFC4524)
RFC1277         Encoding Network Addresses to Support Operation over Non-OSI Lower Layers   
RFC1284         Definitions of Managed Objects for the Ethernet-like Interface Types   (Obsoleted by:  RFC1398)
RFC1286         Definitions of Managed Objects for Bridges   (Obsoleted by: RFC1493, RFC1525)
RFC1289         DECnet Phase IV MIB Extensions   (Obsoleted by:  RFC1559)
RFC1293         Inverse Address Resolution Protocol   (Obsoleted by:  RFC2390)
RFC1294         Multiprotocol Interconnect over Frame Relay   (Obsoleted by: RFC1490, RFC2427)
RFC1304         Definitions of Managed Objects for the SIP Interface Type   (Obsoleted by:  RFC1694)
RFC1315         Management Information Base for Frame Relay DTEs   (Obsoleted by:  RFC2115)
RFC1316         Definitions of Managed Objects for Character Stream Devices   (Obsoleted by:  RFC1658)
RFC1317         Definitions of Managed Objects for RS-232-like Hardware Devices   (Obsoleted by:  RFC1659)
RFC1318         Definitions of Managed Objects for Parallel-printer-like Hardware Devices   (Obsoleted by:  RFC1660)
RFC1323         TCP Extensions for High Performance   
RFC1327         Mapping between X.400(1988) / ISO 10021 and RFC 822   (Obsoleted by: RFC2156)
RFC1331         The Point-to-Point Protocol (PPP) for the Transmission of Multi-protocol Datagrams over Point-to-Point Links   (Obsoleted by:  RFC1548)
RFC1332         The PPP Internet Protocol Control Protocol (IPCP)   
RFC1333         PPP Link Quality Monitoring   (Obsoleted by:  RFC1989)
RFC1334         PPP Authentication Protocols   (Obsoleted by:  RFC1994)
RFC1341         MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies   (Obsoleted by:  RFC1521)
RFC1342         Representation of Non-ASCII Text in Internet Message Headers   (Obsoleted by:  RFC1522)
RFC1349         Type of Service in the Internet Protocol Suite   (Obsoleted by:  RFC2474)
RFC1354         IP Forwarding Table MIB   (Obsoleted by:  RFC2096)
RFC1364         BGP OSPF Interaction   (Obsoleted by:  RFC1403)
RFC1368         Definition of Managed Objects for IEEE 802.3 Repeater Devices   (Obsoleted by:  RFC1516)
RFC1372         Telnet Remote Flow Control Option   
RFC1374         IP and ARP on HIPPI   (Obsoleted by:  RFC2834)
RFC1376         The PPP DECnet Phase IV Control Protocol (DNCP)   (Obsoleted by:  RFC1762)
RFC1377         The PPP OSI Network Layer Control Protocol (OSINLCP)   
RFC1381         SNMP MIB Extension for X.25 LAPB   
RFC1382         SNMP MIB Extension for the X.25 Packet Layer   
RFC1388         RIP Version 2 Carrying Additional Information   (Obsoleted by: RFC1723)
RFC1389         RIP Version 2 MIB Extensions   (Obsoleted by:  RFC1724)
RFC1406         Definitions of Managed Objects for the DS1 and E1 Interface Types   (Obsoleted by:  RFC2495)
RFC1407         Definitions of Managed Objects for the DS3/E3 Interface Type   (Obsoleted by:  RFC2496)
RFC1413         Identification Protocol   
RFC1420         SNMP over IPX   
RFC1425         SMTP Service Extensions   (Obsoleted by:  RFC1651)
RFC1426         SMTP Service Extension for 8bit-MIMEtransport   (Obsoleted by:  RFC1652)
RFC1427         SMTP Service Extension for Message Size Declaration   (Obsoleted by:  RFC1653)
RFC1442         Structure of Management Information for version 2 of the Simple Network Management Protocol (SNMPv2)   (Obsoleted by: RFC1902)
RFC1443         Textual Conventions for version 2 of the Simple Network Management Protocol (SNMPv2)   (Obsoleted by:  RFC1903)
RFC1444         Conformance Statements for version 2 of the Simple Network Management Protocol (SNMPv2)   (Obsoleted by:  RFC1904)
RFC1448         Protocol Operations for version 2 of the Simple Network Management Protocol (SNMPv2)   (Obsoleted by:  RFC1905)
RFC1449         Transport Mappings for version 2 of the Simple Network Management Protocol (SNMPv2)   (Obsoleted by:  RFC1906)
RFC1450         Management Information Base for version 2 of the Simple Network Management Protocol (SNMPv2)   (Obsoleted by:  RFC1907)
RFC1452         Coexistence between version 1 and version 2 of the Internet-standard Network Management Framework   (Obsoleted by:  RFC1908)
RFC1471         The Definitions of Managed Objects for the Link Control Protocol of the Point-to-Point Protocol   
RFC1472         The Definitions of Managed Objects for the Security Protocols of the Point-to-Point Protocol   
RFC1473         The Definitions of Managed Objects for the IP Network Control Protocol of the Point-to-Point Protocol   
RFC1483         Multiprotocol Encapsulation over ATM Adaptation Layer 5   (Obsoleted by:  RFC2684)
RFC1488         The X.500 String Representation of Standard Attribute Syntaxes   (Obsoleted by:  RFC1778)
RFC1495         Mapping between X.400 and RFC-822 Message Bodies   (Obsoleted by:  RFC2156)
RFC1508         Generic Security Service Application Program Interface   (Obsoleted by:  RFC2078)
RFC1509         Generic Security Service API : C-bindings   (Obsoleted by:  RFC2744)
RFC1510         The Kerberos Network Authentication Service (V5)   (Obsoleted by: RFC4120)
RFC1514         Host Resources MIB   (Obsoleted by:  RFC2790)
RFC1515         Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs)   (Obsoleted by:  RFC3636)
RFC1519         Classless Inter-Domain Routing (CIDR): an Address Assignment and Aggregation Strategy   (Obsoleted by: RFC4632)
RFC1531         Dynamic Host Configuration Protocol   (Obsoleted by:  RFC1541)
RFC1532         Clarifications and Extensions for the Bootstrap Protocol   (Obsoleted by:  RFC1542)
RFC1533         DHCP Options and BOOTP Vendor Extensions   (Obsoleted by:  RFC2132)
RFC1541         Dynamic Host Configuration Protocol   (Obsoleted by:  RFC2131)
RFC1544         The Content-MD5 Header Field   (Obsoleted by:  RFC1864)
RFC1565         Network Services Monitoring MIB   (Obsoleted by:  RFC2248)
RFC1566         Mail Monitoring MIB   (Obsoleted by:  RFC2249, RFC2789)
RFC1567         X.500 Directory Monitoring MIB   (Obsoleted by:  RFC2605)
RFC1570         PPP LCP Extensions   
RFC1572         Telnet Environment Option   
RFC1573         Evolution of the Interfaces Group of MIB-II   (Obsoleted by:  RFC2233)
RFC1577         Classical IP and ARP over ATM   (Obsoleted by:  RFC2225)
RFC1582         Extensions to RIP to Support Demand Circuits   
RFC1587         The OSPF NSSA Option   (Obsoleted by:  RFC3101)
RFC1595         Definitions of Managed Objects for the SONET/SDH Interface Type   (Obsoleted by:  RFC2558)
RFC1596         Definitions of Managed Objects for Frame Relay Service   (Obsoleted by:  RFC1604)
RFC1598         PPP in X.25   
RFC1604         Definitions of Managed Objects for Frame Relay Service   (Obsoleted by:  RFC2954)
RFC1618         PPP over ISDN   
RFC1619         PPP over SONET/SDH   (Obsoleted by:  RFC2615)
RFC1626         Default IP MTU for use over ATM AAL5   (Obsoleted by:  RFC2225)
RFC1638         PPP Bridging Control Protocol (BCP)   (Obsoleted by:  RFC2878)
RFC1647         TN3270 Enhancements   (Obsoleted by:  RFC2355)
RFC1650         Definitions of Managed Objects for the Ethernet-like Interface Types using SMIv2   (Obsoleted by:  RFC2358)
RFC1654         A Border Gateway Protocol 4 (BGP-4)   (Obsoleted by:  RFC1771)
RFC1655         Application of the Border Gateway Protocol in the Internet   (Obsoleted by:  RFC1772)
RFC1663         PPP Reliable Transmission   
RFC1665         Definitions of Managed Objects for SNA NAUs using SMIv2   (Obsoleted by:  RFC1666)
RFC1695         Definitions of Managed Objects for ATM Management Version 8.0 using SMIv2   (Obsoleted by:  RFC2515)
RFC1697         Relational Database Management System (RDBMS) Management Information Base (MIB) using SMIv2   
RFC1717         The PPP Multilink Protocol (MP)   (Obsoleted by:  RFC1990)
RFC1730         Internet Message Access Protocol - Version 4   (Obsoleted by:  RFC2060, RFC2061)
RFC1731         IMAP4 Authentication Mechanisms   
RFC1734         POP3 AUTHentication command   (Obsoleted by: RFC5034)
RFC1738         Uniform Resource Locators (URL)   (Obsoleted by: RFC4248, RFC4266)
RFC1740         MIME Encapsulation of Macintosh Files - MacMIME   
RFC1752         The Recommendation for the IP Next Generation Protocol   
RFC1755         ATM Signaling Support for IP over ATM   
RFC1759         Printer MIB   (Obsoleted by: RFC3805)
RFC1766         Tags for the Identification of Languages   (Obsoleted by: RFC3066, RFC3282)
RFC1767         MIME Encapsulation of EDI Objects   
RFC1782         TFTP Option Extension   (Obsoleted by:  RFC2347)
RFC1783         TFTP Blocksize Option   (Obsoleted by:  RFC2348)
RFC1784         TFTP Timeout Interval and Transfer Size Options   (Obsoleted by:  RFC2349)
RFC1793         Extending OSPF to Support Demand Circuits   
RFC1808         Relative Uniform Resource Locators   (Obsoleted by: RFC3986)
RFC1812         Requirements for IP Version 4 Routers   
RFC1825         Security Architecture for the Internet Protocol   (Obsoleted by:  RFC2401)
RFC1826         IP Authentication Header   (Obsoleted by:  RFC2402)
RFC1827         IP Encapsulating Security Payload (ESP)   (Obsoleted by:  RFC2406)
RFC1829         The ESP DES-CBC Transform   
RFC1831         RPC: Remote Procedure Call Protocol Specification Version 2   (Obsoleted by: RFC5531)
RFC1833         Binding Protocols for ONC RPC Version 2   
RFC1847         Security Multiparts for MIME: Multipart/Signed and Multipart/Encrypted   
RFC1854         SMTP Service Extension for Command Pipelining   (Obsoleted by:  RFC2197)
RFC1883         Internet Protocol, Version 6 (IPv6) Specification   (Obsoleted by: RFC2460)
RFC1885         Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6)   (Obsoleted by:  RFC2463)
RFC1886         DNS Extensions to support IP version 6   (Obsoleted by:  RFC3596)
RFC1889         RTP: A Transport Protocol for Real-Time Applications   (Obsoleted by: RFC3550)
RFC1890         RTP Profile for Audio and Video Conferences with Minimal Control   (Obsoleted by: RFC3551)
RFC1891         SMTP Service Extension for Delivery Status Notifications   (Obsoleted by:  RFC3461)
RFC1892         The Multipart/Report Content Type for the Reporting of Mail System Administrative Messages   (Obsoleted by:  RFC3462)
RFC1893         Enhanced Mail System Status Codes   (Obsoleted by:  RFC3463)
RFC1894         An Extensible Message Format for Delivery Status Notifications   (Obsoleted by:  RFC3464)
RFC1928         SOCKS Protocol Version 5   
RFC1929         Username/Password Authentication for SOCKS V5   
RFC1933         Transition Mechanisms for IPv6 Hosts and Routers   (Obsoleted by: RFC2893)
RFC1938         A One-Time Password System   (Obsoleted by: RFC2289)
RFC1959         An LDAP URL Format   (Obsoleted by:  RFC2255)
RFC1960         A String Representation of LDAP Search Filters   (Obsoleted by:  RFC2254)
RFC1961         GSS-API Authentication Method for SOCKS Version 5   
RFC1962         The PPP Compression Control Protocol (CCP)   
RFC1964         The Kerberos Version 5 GSS-API Mechanism   
RFC1968         The PPP Encryption Control Protocol (ECP)   
RFC1970         Neighbor Discovery for IP Version 6 (IPv6)   (Obsoleted by:  RFC2461)
RFC1971         IPv6 Stateless Address Autoconfiguration   (Obsoleted by:  RFC2462)
RFC1972         A Method for the Transmission of IPv6 Packets over Ethernet Networks   (Obsoleted by:  RFC2464)
RFC1973         PPP in Frame Relay   
RFC1982         Serial Number Arithmetic   
RFC1985         SMTP Service Extension for Remote Message Queue Starting   
RFC1995         Incremental Zone Transfer in DNS   
RFC1996         A Mechanism for Prompt Notification of Zone Changes (DNS NOTIFY)   
RFC1997         BGP Communities Attribute   
RFC2001         TCP Slow Start, Congestion Avoidance, Fast Retransmit, and Fast Recovery Algorithms   (Obsoleted by:  RFC2581)
RFC2002         IP Mobility Support   (Obsoleted by:  RFC3220)
RFC2003         IP Encapsulation within IP   
RFC2004         Minimal Encapsulation within IP   
RFC2005         Applicability Statement for IP Mobility Support   
RFC2006         The Definitions of Managed Objects for IP Mobility Support using SMIv2   
RFC2011         SNMPv2 Management Information Base for the Internet Protocol using SMIv2   (Obsoleted by: RFC4293)
RFC2012         SNMPv2 Management Information Base for the Transmission Control Protocol using SMIv2   (Obsoleted by:  RFC4022)
RFC2013         SNMPv2 Management Information Base for the User Datagram Protocol using SMIv2   (Obsoleted by: RFC4113)
RFC2015         MIME Security with Pretty Good Privacy (PGP)   
RFC2017         Definition of the URL MIME External-Body Access-Type   
RFC2018         TCP Selective Acknowledgment Options   
RFC2019         Transmission of IPv6 Packets Over FDDI   (Obsoleted by:  RFC2467)
RFC2020         IEEE 802.12 Interface MIB   
RFC2021         Remote Network Monitoring Management Information Base Version 2 using SMIv2   (Obsoleted by: RFC4502)
RFC2022         Support for Multicast over UNI 3.0/3.1 based ATM Networks   
RFC2023         IP Version 6 over PPP   (Obsoleted by:  RFC2472)
RFC2024         Definitions of Managed Objects for Data Link Switching using SMIv2   
RFC2025         The Simple Public-Key GSS-API Mechanism (SPKM)   
RFC2029         RTP Payload Format of Sun's CellB Video Encoding   
RFC2032         RTP Payload Format for H.261 Video Streams   (Obsoleted by: RFC4587)
RFC2034         SMTP Service Extension for Returning Enhanced Error Codes   
RFC2035         RTP Payload Format for JPEG-compressed Video   (Obsoleted by:  RFC2435)
RFC2037         Entity MIB using SMIv2   (Obsoleted by: RFC2737)
RFC2038         RTP Payload Format for MPEG1/MPEG2 Video   (Obsoleted by:  RFC2250)
RFC2043         The PPP SNA Control Protocol (SNACP)   
RFC2051         Definitions of Managed Objects for APPC using SMIv2   
RFC2056         Uniform Resource Locators for Z39.50   
RFC2058         Remote Authentication Dial In User Service (RADIUS)   (Obsoleted by:  RFC2138)
RFC2060         Internet Message Access Protocol - Version 4rev1   (Obsoleted by: RFC3501)
RFC2065         Domain Name System Security Extensions   (Obsoleted by: RFC2535)
RFC2068         Hypertext Transfer Protocol -- HTTP/1.1   (Obsoleted by:  RFC2616)
RFC2069         An Extension to HTTP : Digest Access Authentication   (Obsoleted by:  RFC2617)
RFC2073         An IPv6 Provider-Based Unicast Address Format   (Obsoleted by: RFC2374)
RFC2074         Remote Network Monitoring MIB Protocol Identifiers   (Obsoleted by:  RFC2895)
RFC2077         The Model Primary Content Type for Multipurpose Internet Mail Extensions   
RFC2078         Generic Security Service Application Program Interface, Version 2   (Obsoleted by:  RFC2743)
RFC2079         Definition of an X.500 Attribute Type and an Object Class to Hold Uniform Resource Identifiers (URIs)   
RFC2080         RIPng for IPv6   
RFC2082         RIP-2 MD5 Authentication   (Obsoleted by: RFC4822)
RFC2085         HMAC-MD5 IP Authentication with Replay Prevention   
RFC2086         IMAP4 ACL extension   (Obsoleted by: RFC4314)
RFC2087         IMAP4 QUOTA extension   
RFC2088         IMAP4 non-synchronizing literals   
RFC2091         Triggered Extensions to RIP to Support Demand Circuits   
RFC2095         IMAP/POP AUTHorize Extension for Simple Challenge/Response   (Obsoleted by:  RFC2195)
RFC2096         IP Forwarding Table MIB   (Obsoleted by: RFC4292)
RFC2097         The PPP NetBIOS Frames Control Protocol (NBFCP)   
RFC2108         Definitions of Managed Objects for IEEE 802.3 Repeater Devices using SMIv2   
RFC2110         MIME E-mail Encapsulation of Aggregate Documents, such as HTML (MHTML)   (Obsoleted by:  RFC2557)
RFC2111         Content-ID and Message-ID Uniform Resource Locators   (Obsoleted by:  RFC2392)
RFC2112         The MIME Multipart/Related Content-type   (Obsoleted by:  RFC2387)
RFC2113         IP Router Alert Option   
RFC2122         VEMMI URL Specification   
RFC2125         The PPP Bandwidth Allocation Protocol (BAP) / The PPP Bandwidth Allocation Control Protocol (BACP)   
RFC2126         ISO Transport Service on top of TCP (ITOT)   
RFC2127         ISDN Management Information Base using SMIv2   
RFC2128         Dial Control Management Information Base using SMIv2   
RFC2136         Dynamic Updates in the Domain Name System (DNS UPDATE)   
RFC2137         Secure Domain Name System Dynamic Update   (Obsoleted by: RFC3007)
RFC2138         Remote Authentication Dial In User Service (RADIUS)   (Obsoleted by:  RFC2865)
RFC2141         URN Syntax   
RFC2142         Mailbox Names for Common Services, Roles and Functions   
RFC2147         TCP and UDP over IPv6 Jumbograms   (Obsoleted by:  RFC2675)
RFC2155         Definitions of Managed Objects for APPN using SMIv2   (Obsoleted by:  RFC2455)
RFC2156         MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME   
RFC2157         Mapping between X.400 and RFC-822/MIME Message Bodies   
RFC2158         X.400 Image Body Parts   
RFC2159         A MIME Body Part for FAX   
RFC2160         Carrying PostScript in X.400 and MIME   
RFC2163         Using the Internet DNS to Distribute MIXER Conformant Global Address Mapping (MCGAM)   
RFC2164         Use of an X.500/LDAP directory to support MIXER address mapping   
RFC2165         Service Location Protocol   
RFC2177         IMAP4 IDLE command   
RFC2181         Clarifications to the DNS Specification   
RFC2183         Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field   
RFC2184         MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations   (Obsoleted by:  RFC2231)
RFC2192         IMAP URL Scheme   (Obsoleted by: RFC5092)
RFC2193         IMAP4 Mailbox Referrals   
RFC2195         IMAP/POP AUTHorize Extension for Simple Challenge/Response   
RFC2198         RTP Payload for Redundant Audio Data   
RFC2203         RPCSEC_GSS Protocol Specification   
RFC2205         Resource ReSerVation Protocol (RSVP) -- Version 1 Functional Specification   
RFC2206         RSVP Management Information Base using SMIv2   
RFC2207         RSVP Extensions for IPSEC Data Flows   
RFC2210         The Use of RSVP with IETF Integrated Services   
RFC2211         Specification of the Controlled-Load Network Element Service   
RFC2212         Specification of Guaranteed Quality of Service   
RFC2213         Integrated Services Management Information Base using SMIv2   
RFC2214         Integrated Services Management Information Base Guaranteed Service Extensions using SMIv2   
RFC2215         General Characterization Parameters for Integrated Service Network Elements   
RFC2218         A Common Schema for the Internet White Pages Service   
RFC2221         IMAP4 Login Referrals   
RFC2222         Simple Authentication and Security Layer (SASL)   (Obsoleted by: RFC4422, RFC4752)
RFC2225         Classical IP and ARP over ATM   
RFC2226         IP Broadcast over ATM Networks   
RFC2227         Simple Hit-Metering and Usage-Limiting for HTTP   
RFC2228         FTP Security Extensions   
RFC2231         MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations   
RFC2232         Definitions of Managed Objects for DLUR using SMIv2   
RFC2233         The Interfaces Group MIB using SMIv2   (Obsoleted by:  RFC2863)
RFC2234         Augmented BNF for Syntax Specifications: ABNF   (Obsoleted by: RFC4234)
RFC2236         Internet Group Management Protocol, Version 2   (Obsoleted by:  RFC3376)
RFC2238         Definitions of Managed Objects for HPR using SMIv2   
RFC2239         Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs) using SMIv2   (Obsoleted by:  RFC2668)
RFC2241         DHCP Options for Novell Directory Services   
RFC2242         NetWare/IP Domain Name and Information   
RFC2243         OTP Extended Responses   
RFC2244         ACAP -- Application Configuration Access Protocol   
RFC2245         Anonymous SASL Mechanism   (Obsoleted by: RFC4505)
RFC2246         The TLS Protocol Version 1.0   (Obsoleted by: RFC4346)
RFC2247         Using Domains in LDAP/X.500 Distinguished Names   
RFC2248         Network Services Monitoring MIB   (Obsoleted by:  RFC2788)
RFC2249         Mail Monitoring MIB   (Obsoleted by:  RFC2789)
RFC2250         RTP Payload Format for MPEG1/MPEG2 Video   
RFC2251         Lightweight Directory Access Protocol (v3)   (Obsoleted by: RFC4510, RFC4511, RFC4513, RFC4512)
RFC2252         Lightweight Directory Access Protocol (v3): Attribute Syntax Definitions   (Obsoleted by: RFC4510, RFC4517, RFC4523, RFC4512)
RFC2253         Lightweight Directory Access Protocol (v3): UTF-8 String Representation of Distinguished Names   (Obsoleted by: RFC4510, RFC4514)
RFC2254         The String Representation of LDAP Search Filters   (Obsoleted by: RFC4510, RFC4515)
RFC2255         The LDAP URL Format   (Obsoleted by: RFC4510, RFC4516)
RFC2256         A Summary of the X.500(96) User Schema for use with LDAPv3   (Obsoleted by: RFC4517, RFC4519, RFC4523, RFC4512, RFC4510)
RFC2257         Agent Extensibility (AgentX) Protocol Version 1   (Obsoleted by:  RFC2741)
RFC2261         An Architecture for Describing SNMP Management Frameworks   (Obsoleted by:  RFC2271)
RFC2262         Message Processing and Dispatching for the Simple Network Management Protocol (SNMP)   (Obsoleted by:  RFC2272)
RFC2263         SNMPv3 Applications   (Obsoleted by:  RFC2273)
RFC2264         User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)   (Obsoleted by:  RFC2274)
RFC2265         View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP)   (Obsoleted by:  RFC2275)
RFC2266         Definitions of Managed Objects for IEEE 802.12 Repeater Devices   
RFC2271         An Architecture for Describing SNMP Management Frameworks   (Obsoleted by: RFC2571)
RFC2272         Message Processing and Dispatching for the Simple Network Management Protocol (SNMP)   (Obsoleted by: RFC2572)
RFC2273         SNMPv3 Applications   (Obsoleted by: RFC2573)
RFC2274         User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)   (Obsoleted by: RFC2574)
RFC2275         View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP)   (Obsoleted by: RFC2575)
RFC2280         Routing Policy Specification Language (RPSL)   (Obsoleted by:  RFC2622)
RFC2283         Multiprotocol Extensions for BGP-4   (Obsoleted by:  RFC2858)
RFC2284         PPP Extensible Authentication Protocol (EAP)   (Obsoleted by:  RFC3748)
RFC2287         Definitions of System-Level Managed Objects for Applications   
RFC2290         Mobile-IPv4 Configuration Option for PPP IPCP   
RFC2293         Representing Tables and Subtrees in the X.500 Directory   
RFC2294         Representing the O/R Address hierarchy in the X.500 Directory Information Tree   
RFC2298         An Extensible Message Format for Message Disposition Notifications   (Obsoleted by:  RFC3798)
RFC2301         File Format for Internet Fax   (Obsoleted by: RFC3949)
RFC2302         Tag Image File Format (TIFF) - image/tiff MIME Sub-type Registration   (Obsoleted by:  RFC3302)
RFC2303         Minimal PSTN address format in Internet Mail   (Obsoleted by:  RFC3191)
RFC2304         Minimal FAX address format in Internet Mail   (Obsoleted by:  RFC3192)
RFC2305         A Simple Mode of Facsimile Using Internet Mail   (Obsoleted by: RFC3965)
RFC2308         Negative Caching of DNS Queries (DNS NCACHE)   
RFC2320         Definitions of Managed Objects for Classical IP and ARP Over ATM Using SMIv2 (IPOA-MIB)   
RFC2326         Real Time Streaming Protocol (RTSP)   
RFC2327         SDP: Session Description Protocol   (Obsoleted by: RFC4566)
RFC2331         ATM Signalling Support for IP over ATM - UNI Signalling 4.0 Update   
RFC2332         NBMA Next Hop Resolution Protocol (NHRP)   
RFC2333         NHRP Protocol Applicability Statement   
RFC2334         Server Cache Synchronization Protocol (SCSP)   
RFC2335         A Distributed NHRP Service Using SCSP   
RFC2338         Virtual Router Redundancy Protocol   (Obsoleted by: RFC3768)
RFC2342         IMAP4 Namespace   
RFC2344         Reverse Tunneling for Mobile IP   (Obsoleted by:  RFC3024)
RFC2358         Definitions of Managed Objects for the Ethernet-like Interface Types   (Obsoleted by:  RFC2665)
RFC2359         IMAP4 UIDPLUS extension   (Obsoleted by: RFC4315)
RFC2363         PPP Over FUNI   
RFC2364         PPP Over AAL5   
RFC2366         Definitions of Managed Objects for Multicast over UNI 3.0/3.1 based ATM Networks   (Obsoleted by:  RFC2417)
RFC2368         The mailto URL scheme   (Obsoleted by: RFC6068)
RFC2369         The Use of URLs as Meta-Syntax for Core Mail List Commands and their Transport through Message Header Fields   
RFC2370         The OSPF Opaque LSA Option   (Obsoleted by: RFC5250)
RFC2371         Transaction Internet Protocol Version 3.0   
RFC2373         IP Version 6 Addressing Architecture   (Obsoleted by: RFC3513)
RFC2380         RSVP over ATM Implementation Requirements   
RFC2381         Interoperation of Controlled-Load Service and Guaranteed Service with ATM   
RFC2384         POP URL Scheme   
RFC2385         Protection of BGP Sessions via the TCP MD5 Signature Option   (Obsoleted by: RFC5925)
RFC2387         The MIME Multipart/Related Content-type   
RFC2388         Returning Values from Forms: multipart/form-data   
RFC2389         Feature negotiation mechanism for the File Transfer Protocol   
RFC2392         Content-ID and Message-ID Uniform Resource Locators   
RFC2393         IP Payload Compression Protocol (IPComp)   (Obsoleted by: RFC3173)
RFC2397         The "data" URL scheme   
RFC2401         Security Architecture for the Internet Protocol   (Obsoleted by: RFC4301)
RFC2402         IP Authentication Header   (Obsoleted by: RFC4302, RFC4305)
RFC2403         The Use of HMAC-MD5-96 within ESP and AH   
RFC2404         The Use of HMAC-SHA-1-96 within ESP and AH   
RFC2405         The ESP DES-CBC Cipher Algorithm With Explicit IV   
RFC2406         IP Encapsulating Security Payload (ESP)   (Obsoleted by: RFC4303, RFC4305)
RFC2407         The Internet IP Security Domain of Interpretation for ISAKMP   (Obsoleted by: RFC4306)
RFC2408         Internet Security Association and Key Management Protocol (ISAKMP)   (Obsoleted by: RFC4306)
RFC2409         The Internet Key Exchange (IKE)   (Obsoleted by: RFC4306)
RFC2410         The NULL Encryption Algorithm and Its Use With IPsec   
RFC2417         Definitions of Managed Objects for Multicast over UNI 3.0/3.1 based ATM Networks   
RFC2419         The PPP DES Encryption Protocol, Version 2 (DESE-bis)   
RFC2420         The PPP Triple-DES Encryption Protocol (3DESE)   
RFC2421         Voice Profile for Internet Mail - version 2   (Obsoleted by:  RFC3801)
RFC2422         Toll Quality Voice - 32 kbit/s ADPCM MIME Sub-type Registration   (Obsoleted by:  RFC3802)
RFC2423         VPIM Voice Message MIME Sub-type Registration   (Obsoleted by:  RFC3801)
RFC2424         Content Duration MIME Header Definition   (Obsoleted by:  RFC3803)
RFC2425         A MIME Content-Type for Directory Information   (Obsoleted by: RFC6350)
RFC2426         vCard MIME Directory Profile   (Obsoleted by: RFC6350)
RFC2428         FTP Extensions for IPv6 and NATs   
RFC2429         RTP Payload Format for the 1998 Version of ITU-T Rec. H.263 Video (H.263+)   (Obsoleted by: RFC4629)
RFC2431         RTP Payload Format for BT.656 Video Encoding   
RFC2435         RTP Payload Format for JPEG-compressed Video   
RFC2439         BGP Route Flap Damping   
RFC2440         OpenPGP Message Format   (Obsoleted by: RFC4880)
RFC2444         The One-Time-Password SASL Mechanism   
RFC2445         Internet Calendaring and Scheduling Core Object Specification (iCalendar)   (Obsoleted by: RFC5545)
RFC2446         iCalendar Transport-Independent Interoperability Protocol (iTIP) Scheduling Events, BusyTime, To-dos and Journal Entries   (Obsoleted by: RFC5546)
RFC2447         iCalendar Message-Based Interoperability Protocol (iMIP)   (Obsoleted by: RFC6047)
RFC2449         POP3 Extension Mechanism   
RFC2451         The ESP CBC-Mode Cipher Algorithms   
RFC2452         IP Version 6 Management Information Base for the Transmission Control Protocol   (Obsoleted by:  RFC4022)
RFC2455         Definitions of Managed Objects for APPN   
RFC2456         Definitions of Managed Objects for APPN TRAPS   
RFC2457         Definitions of Managed Objects for Extended Border Node   
RFC2459         Internet X.509 Public Key Infrastructure Certificate and CRL Profile   (Obsoleted by:  RFC3280)
RFC2464         Transmission of IPv6 Packets over Ethernet Networks   
RFC2465         Management Information Base for IP Version 6: Textual Conventions and General Group   (Obsoleted by: RFC4293)
RFC2466         Management Information Base for IP Version 6: ICMPv6 Group   (Obsoleted by: RFC4293)
RFC2467         Transmission of IPv6 Packets over FDDI Networks   
RFC2470         Transmission of IPv6 Packets over Token Ring Networks   
RFC2472         IP Version 6 over PPP   (Obsoleted by: RFC5072, RFC5172)
RFC2473         Generic Packet Tunneling in IPv6 Specification   
RFC2474         Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers   
RFC2476         Message Submission   (Obsoleted by: RFC4409)
RFC2478         The Simple and Protected GSS-API Negotiation Mechanism   (Obsoleted by: RFC4178)
RFC2480         Gateways and MIME Security Multiparts   
RFC2484         PPP LCP Internationalization Configuration Option   
RFC2485         DHCP Option for The Open Group's User Authentication Protocol   
RFC2486         The Network Access Identifier   (Obsoleted by: RFC4282)
RFC2487         SMTP Service Extension for Secure SMTP over TLS   (Obsoleted by:  RFC3207)
RFC2491         IPv6 over Non-Broadcast Multiple Access (NBMA) networks   
RFC2492         IPv6 over ATM Networks   
RFC2493         Textual Conventions for MIB Modules Using Performance History Based on 15 Minute Intervals   (Obsoleted by:  RFC3593)
RFC2494         Definitions of Managed Objects for the DS0 and DS0 Bundle Interface Type   
RFC2495         Definitions of Managed Objects for the DS1, E1, DS2 and E2 Interface Types   (Obsoleted by:  RFC3895)
RFC2496         Definitions of Managed Object for the DS3/E3 Interface Type   (Obsoleted by:  RFC3896)
RFC2497         Transmission of IPv6 Packets over ARCnet Networks   
RFC2507         IP Header Compression   
RFC2508         Compressing IP/UDP/RTP Headers for Low-Speed Serial Links   
RFC2509         IP Header Compression over PPP   (Obsoleted by:  RFC3544)
RFC2510         Internet X.509 Public Key Infrastructure Certificate Management Protocols   (Obsoleted by: RFC4210)
RFC2511         Internet X.509 Certificate Request Message Format   (Obsoleted by: RFC4211)
RFC2512         Accounting Information for ATM Networks   
RFC2513         Managed Objects for Controlling the Collection and Storage of Accounting Information for Connection-Oriented Networks   
RFC2514         Definitions of Textual Conventions and OBJECT-IDENTITIES for ATM Management   
RFC2515         Definitions of Managed Objects for ATM Management   
RFC2518         HTTP Extensions for Distributed Authoring -- WEBDAV   (Obsoleted by: RFC4918)
RFC2526         Reserved IPv6 Subnet Anycast Addresses   
RFC2529         Transmission of IPv6 over IPv4 Domains without Explicit Tunnels   
RFC2530         Indicating Supported Media Features Using Extensions to DSN and MDN   
RFC2531         Content Feature Schema for Internet Fax   (Obsoleted by:  RFC2879)
RFC2532          Extended Facsimile Using Internet Mail   
RFC2533         A Syntax for Describing Media Feature Sets   
RFC2534         Media Features for Display, Print, and Fax   
RFC2535         Domain Name System Security Extensions   (Obsoleted by: RFC4033, RFC4034, RFC4035)
RFC2536         DSA KEYs and SIGs in the Domain Name System (DNS)   
RFC2537         RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)   (Obsoleted by:  RFC3110)
RFC2538         Storing Certificates in the Domain Name System (DNS)   (Obsoleted by: RFC4398)
RFC2539         Storage of Diffie-Hellman Keys in the Domain Name System (DNS)   
RFC2543         SIP: Session Initiation Protocol   (Obsoleted by: RFC3261, RFC3262, RFC3263, RFC3264, RFC3265)
RFC2545         Use of BGP-4 Multiprotocol Extensions for IPv6 Inter-Domain Routing   
RFC2554         SMTP Service Extension for Authentication   (Obsoleted by: RFC4954)
RFC2557         MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)   
RFC2558         Definitions of Managed Objects for the SONET/SDH Interface Type   (Obsoleted by:  RFC3592)
RFC2560         X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSP   
RFC2561         Base Definitions of Managed Objects for TN3270E Using SMIv2   
RFC2562         Definitions of Protocol and Managed Objects for TN3270E Response Time Collection Using SMIv2 (TN3270E-RT-MIB)   
RFC2563         DHCP Option to Disable Stateless Auto-Configuration in IPv4 Clients   
RFC2564         Application Management MIB   
RFC2576         Coexistence between Version 1, Version 2, and Version 3 of the Internet-standard Network Management Framework   (Obsoleted by:  RFC3584)
RFC2581         TCP Congestion Control   (Obsoleted by: RFC5681)
RFC2584         Definitions of Managed Objects for APPN/HPR in IP Networks   
RFC2585         Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTP   
RFC2587         Internet X.509 Public Key Infrastructure LDAPv2 Schema   (Obsoleted by: RFC4523)
RFC2589         Lightweight Directory Access Protocol (v3): Extensions for Dynamic Directory Services   
RFC2590         Transmission of IPv6 Packets over Frame Relay Networks Specification   
RFC2591         Definitions of Managed Objects for Scheduling Management Operations   (Obsoleted by:  RFC3231)
RFC2592         Definitions of Managed Objects for the Delegation of Management Script   (Obsoleted by:  RFC3165)
RFC2594         Definitions of Managed Objects for WWW Services   
RFC2595         Using TLS with IMAP, POP3 and ACAP   
RFC2596         Use of Language Codes in LDAP   (Obsoleted by:  RFC3866)
RFC2597         Assured Forwarding PHB Group   
RFC2598         An Expedited Forwarding PHB   (Obsoleted by:  RFC3246)
RFC2601         ILMI-Based Server Discovery for ATMARP   
RFC2602         ILMI-Based Server Discovery for MARS   
RFC2603         ILMI-Based Server Discovery for NHRP   
RFC2605         Directory Server Monitoring MIB   
RFC2608         Service Location Protocol, Version 2   
RFC2609         Service Templates and Service: Schemes   
RFC2610         DHCP Options for Service Location Protocol   
RFC2615         PPP over SONET/SDH   
RFC2618         RADIUS Authentication Client MIB   (Obsoleted by: RFC4668)
RFC2619         RADIUS Authentication Server MIB   (Obsoleted by: RFC4669)
RFC2622         Routing Policy Specification Language (RPSL)   
RFC2623         NFS Version 2 and Version 3 Security Issues and the NFS Protocol's Use of RPCSEC_GSS and Kerberos V5   
RFC2625         IP and ARP over Fibre Channel   (Obsoleted by: RFC4338)
RFC2630         Cryptographic Message Syntax   (Obsoleted by:  RFC3369, RFC3370)
RFC2631         Diffie-Hellman Key Agreement Method   
RFC2632         S/MIME Version 3 Certificate Handling   (Obsoleted by:  RFC3850)
RFC2633         S/MIME Version 3 Message Specification   (Obsoleted by:  RFC3851)
RFC2634         Enhanced Security Services for S/MIME   
RFC2640         Internationalization of the File Transfer Protocol   
RFC2645         ON-DEMAND MAIL RELAY (ODMR) SMTP with Dynamic IP Addresses   
RFC2646         The Text/Plain Format Parameter   (Obsoleted by:  RFC3676)
RFC2651         The Architecture of the Common Indexing Protocol (CIP)   
RFC2652         MIME Object Definitions for the Common Indexing Protocol (CIP)   
RFC2653         CIP Transport Protocols   
RFC2658         RTP Payload Format for PureVoice(tm) Audio   
RFC2661         Layer Two Tunneling Protocol "L2TP"   
RFC2662         Definitions of Managed Objects for the ADSL Lines   
RFC2665         Definitions of Managed Objects for the Ethernet-like Interface Types   (Obsoleted by:  RFC3635)
RFC2667         IP Tunnel MIB   (Obsoleted by: RFC4087)
RFC2668         Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs)   (Obsoleted by:  RFC3636)
RFC2669         DOCSIS Cable Device MIB Cable Device Management Information Base for DOCSIS compliant Cable Modems and Cable Modem Termination Systems   (Obsoleted by: RFC4639)
RFC2670         Radio Frequency (RF) Interface Management Information Base for MCNS/DOCSIS compliant RF interfaces   (Obsoleted by: RFC4546)
RFC2671         Extension Mechanisms for DNS (EDNS0)   
RFC2672         Non-Terminal DNS Name Redirection   
RFC2674         Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering and Virtual LAN Extensions   (Obsoleted by: RFC4363)
RFC2675         IPv6 Jumbograms   
RFC2677         Definitions of Managed Objects for the NBMA Next Hop Resolution Protocol (NHRP)   
RFC2678         IPPM Metrics for Measuring Connectivity   
RFC2679         A One-way Delay Metric for IPPM   
RFC2680         A One-way Packet Loss Metric for IPPM   
RFC2681         A Round-trip Delay Metric for IPPM   
RFC2684         Multiprotocol Encapsulation over ATM Adaptation Layer 5   
RFC2685         Virtual Private Networks Identifier   
RFC2686         The Multi-Class Extension to Multi-Link PPP   
RFC2687         PPP in a Real-time Oriented HDLC-like Framing   
RFC2688         Integrated Services Mappings for Low Speed Networks   
RFC2710         Multicast Listener Discovery (MLD) for IPv6   
RFC2711         IPv6 Router Alert Option   
RFC2712         Addition of Kerberos Cipher Suites to Transport Layer Security (TLS)   
RFC2720         Traffic Flow Measurement: Meter MIB   
RFC2725         Routing Policy System Security   
RFC2726         PGP Authentication for RIPE Database Updates   
RFC2728         The Transmission of IP Over the Vertical Blanking Interval of a Television Signal   
RFC2730         Multicast Address Dynamic Client Allocation Protocol (MADCAP)   
RFC2732         Format for Literal IPv6 Addresses in URL's   (Obsoleted by: RFC3986)
RFC2733         An RTP Payload Format for Generic Forward Error Correction   (Obsoleted by: RFC5109)
RFC2734         IPv4 over IEEE 1394   
RFC2735         NHRP Support for Virtual Private Networks   
RFC2737         Entity MIB (Version 2)   (Obsoleted by: RFC4133)
RFC2738         Corrections to "A Syntax for Describing Media Feature Sets"   
RFC2739         Calendar Attributes for vCard and LDAP   
RFC2740         OSPF for IPv6   (Obsoleted by: RFC5340)
RFC2743         Generic Security Service Application Program Interface Version 2, Update 1   
RFC2744         Generic Security Service API Version 2 : C-bindings   
RFC2745         RSVP Diagnostic Messages   
RFC2746         RSVP Operation Over IP Tunnels   
RFC2747         RSVP Cryptographic Authentication   
RFC2748         The COPS (Common Open Policy Service) Protocol   
RFC2749         COPS usage for RSVP   
RFC2750         RSVP Extensions for Policy Control   
RFC2751         Signaled Preemption Priority Policy Element   (Obsoleted by:  RFC3181)
RFC2752         Identity Representation for RSVP   (Obsoleted by:  RFC3182)
RFC2765         Stateless IP/ICMP Translation Algorithm (SIIT)   (Obsoleted by: RFC6145)
RFC2769         Routing Policy System Replication   
RFC2782         A DNS RR for specifying the location of services (DNS SRV)   
RFC2784         Generic Routing Encapsulation (GRE)   
RFC2787         Definitions of Managed Objects for the Virtual Router Redundancy Protocol   
RFC2788         Network Services Monitoring MIB   
RFC2789         Mail Monitoring MIB   
RFC2793         RTP Payload for Text Conversation   (Obsoleted by: RFC4103)
RFC2794         Mobile IP Network Access Identifier Extension for IPv4   
RFC2796         BGP Route Reflection - An Alternative to Full Mesh IBGP   (Obsoleted by: RFC4456)
RFC2797         Certificate Management Messages over CMS   (Obsoleted by: RFC5272)
RFC2806         URLs for Telephone Calls   (Obsoleted by:  RFC3966)
RFC2814         SBM (Subnet Bandwidth Manager): A Protocol for RSVP-based Admission Control over IEEE 802-style networks   
RFC2815         Integrated Service Mappings on IEEE 802 Networks   
RFC2817         Upgrading to TLS Within HTTP/1.1   
RFC2821         Simple Mail Transfer Protocol   (Obsoleted by: RFC5321)
RFC2822         Internet Message Format   (Obsoleted by: RFC5322)
RFC2829         Authentication Methods for LDAP   (Obsoleted by: RFC4513, RFC4510)
RFC2830         Lightweight Directory Access Protocol (v3): Extension for Transport Layer Security   (Obsoleted by: RFC4511, RFC4513, RFC4510)
RFC2833         RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals   (Obsoleted by: RFC4733, RFC4734)
RFC2834         ARP and IP Broadcast over HIPPI-800   
RFC2835         IP and ARP over HIPPI-6400 (GSN)   
RFC2836         Per Hop Behavior Identification Codes   (Obsoleted by:  RFC3140)
RFC2837         Definitions of Managed Objects for the Fabric Element in Fibre Channel Standard   (Obsoleted by: RFC4044)
RFC2842         Capabilities Advertisement with BGP-4   (Obsoleted by:  RFC3392)
RFC2845         Secret Key Transaction Authentication for DNS (TSIG)   
RFC2846         GSTN Address Element Extensions in E-mail Services   
RFC2847         LIPKEY - A Low Infrastructure Public Key Mechanism Using SPKM   
RFC2848         The PINT Service Protocol: Extensions to SIP and SDP for IP Access to Telephone Call Services   
RFC2849         The LDAP Data Interchange Format (LDIF) - Technical Specification   
RFC2851         Textual Conventions for Internet Network Addresses   (Obsoleted by:  RFC3291)
RFC2852         Deliver By SMTP Service Extension   
RFC2853         Generic Security Service API Version 2 : Java Bindings   (Obsoleted by: RFC5653)
RFC2855         DHCP for IEEE 1394   
RFC2856         Textual Conventions for Additional High Capacity Data Types   
RFC2857         The Use of HMAC-RIPEMD-160-96 within ESP and AH   
RFC2858         Multiprotocol Extensions for BGP-4   (Obsoleted by: RFC4760)
RFC2862         RTP Payload Format for Real-Time Pointers   
RFC2864         The Inverted Stack Table Extension to the Interfaces Group MIB   
RFC2872         Application and Sub Application Identity Policy Element for Use with RSVP   
RFC2873         TCP Processing of the IPv4 Precedence Field   
RFC2875         Diffie-Hellman Proof-of-Possession Algorithms   
RFC2878         PPP Bridging Control Protocol (BCP)   (Obsoleted by:  RFC3518)
RFC2879         Content Feature Schema for Internet Fax (V2)   
RFC2883         An Extension to the Selective Acknowledgement (SACK) Option for TCP   
RFC2890         Key and Sequence Number Extensions to GRE   
RFC2891         LDAP Control Extension for Server Side Sorting of Search Results   
RFC2893         Transition Mechanisms for IPv6 Hosts and Routers   (Obsoleted by: RFC4213)
RFC2894         Router Renumbering for IPv6   
RFC2907         MADCAP Multicast Scope Nesting State Option   
RFC2910         Internet Printing Protocol/1.1: Encoding and Transport   
RFC2911         Internet Printing Protocol/1.1: Model and Semantics   
RFC2912         Indicating Media Features for MIME Content   
RFC2913         MIME Content Types in Media Feature Expressions   
RFC2915         The Naming Authority Pointer (NAPTR) DNS Resource Record   (Obsoleted by:  RFC3401, RFC3402, RFC3403, RFC3404)
RFC2916         E.164 number and DNS   (Obsoleted by: RFC3761)
RFC2918         Route Refresh Capability for BGP-4   
RFC2919         List-Id: A Structured Field and Namespace for the Identification of Mailing Lists   
RFC2925         Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Operations   (Obsoleted by: RFC4560)
RFC2930         Secret Key Establishment for DNS (TKEY RR)   
RFC2931         DNS Request and Transaction Signatures ( SIG(0)s )   
RFC2932         IPv4 Multicast Routing MIB   (Obsoleted by: RFC5132)
RFC2933         Internet Group Management Protocol MIB   (Obsoleted by: RFC5519)
RFC2935         Internet Open Trading Protocol (IOTP) HTTP Supplement   
RFC2937         The Name Service Search Option for DHCP   
RFC2938         Identifying Composite Media Features   
RFC2940         Definitions of Managed Objects for Common Open Policy Service (COPS) Protocol Clients   
RFC2941         Telnet Authentication Option   
RFC2942         Telnet Authentication: Kerberos Version 5   
RFC2943         TELNET Authentication Using DSA   
RFC2944         Telnet Authentication: SRP   
RFC2945         The SRP Authentication and Key Exchange System   
RFC2946         Telnet Data Encryption Option   
RFC2947         Telnet Encryption: DES3 64 bit Cipher Feedback   
RFC2948         Telnet Encryption: DES3 64 bit Output Feedback   
RFC2949         Telnet Encryption: CAST-128 64 bit Output Feedback   
RFC2950         Telnet Encryption: CAST-128 64 bit Cipher Feedback   
RFC2954         Definitions of Managed Objects for Frame Relay Service   
RFC2955         Definitions of Managed Objects for Monitoring and Controlling the Frame Relay/ATM PVC Service Interworking Function   
RFC2959         Real-Time Transport Protocol Management Information Base   
RFC2960         Stream Control Transmission Protocol   (Obsoleted by: RFC4960)
RFC2961         RSVP Refresh Overhead Reduction Extensions   
RFC2971         IMAP4 ID extension   
RFC2976         The SIP INFO Method   (Obsoleted by: RFC6086)
RFC2981         Event MIB   
RFC2982         Distributed Management Expression MIB   
RFC2984         Use of the CAST-128 Encryption Algorithm in CMS   
RFC2987         Registration of Charset and Languages Media Features Tags   
RFC2988         Computing TCP's Retransmission Timer   (Obsoleted by: RFC6298)
RFC2996         Format of the RSVP DCLASS Object   
RFC2997         Specification of the Null Service Type   
RFC3003         The audio/mpeg Media Type   
RFC3004         The User Class Option for DHCP   
RFC3006         Integrated Services in the Presence of Compressible Flows   
RFC3007         Secure Domain Name System (DNS) Dynamic Update   
RFC3008         Domain Name System Security (DNSSEC) Signing Authority   (Obsoleted by: RFC4035, RFC4033, RFC4034)
RFC3009         Registration of parityfec MIME types   (Obsoleted by: RFC5109)
RFC3010         NFS version 4 Protocol   (Obsoleted by:  RFC3530)
RFC3011         The IPv4 Subnet Selection Option for DHCP   
RFC3012         Mobile IPv4 Challenge/Response Extensions   (Obsoleted by: RFC4721)
RFC3014         Notification Log MIB   
RFC3015         Megaco Protocol Version 1.0   (Obsoleted by:  RFC3525)
RFC3016         RTP Payload Format for MPEG-4 Audio/Visual Streams   (Obsoleted by: RFC6416)
RFC3017         XML DTD for Roaming Access Phone Book   
RFC3019         IP Version 6 Management Information Base for The Multicast Listener Discovery Protocol   (Obsoleted by: RFC5519)
RFC3020         Definitions of Managed Objects for Monitoring and Controlling the UNI/NNI Multilink Frame Relay Function   
RFC3021         Using 31-Bit Prefixes on IPv4 Point-to-Point Links   
RFC3023         XML Media Types   
RFC3024         Reverse Tunneling for Mobile IP, revised   
RFC3025         Mobile IP Vendor/Organization-Specific Extensions   (Obsoleted by:  RFC3115)
RFC3028         Sieve: A Mail Filtering Language   (Obsoleted by: RFC5228, RFC5429)
RFC3030         SMTP Service Extensions for Transmission of Large and Binary MIME Messages   
RFC3031         Multiprotocol Label Switching Architecture   
RFC3032         MPLS Label Stack Encoding   
RFC3033         The Assignment of the Information Field and Protocol Identifier in the Q.2941 Generic Identifier and Q.2957 User-to-user Signaling for the Internet Protocol   
RFC3034         Use of Label Switching on Frame Relay Networks Specification   
RFC3035         MPLS using LDP and ATM VC Switching   
RFC3036         LDP Specification   (Obsoleted by: RFC5036)
RFC3038         VCID Notification over ATM link for LDP   
RFC3039         Internet X.509 Public Key Infrastructure Qualified Certificates Profile   (Obsoleted by:  RFC3739)
RFC3041         Privacy Extensions for Stateless Address Autoconfiguration in IPv6   (Obsoleted by: RFC4941)
RFC3042         Enhancing TCP's Loss Recovery Using Limited Transmit   
RFC3046         DHCP Relay Agent Information Option   
RFC3047         RTP Payload Format for ITU-T Recommendation G.722.1   (Obsoleted by: RFC5577)
RFC3049         TN3270E Service Location and Session Balancing   
RFC3055         Management Information Base for the PINT Services Architecture   
RFC3056         Connection of IPv6 Domains via IPv4 Clouds   
RFC3057         ISDN Q.921-User Adaptation Layer   (Obsoleted by: RFC4233)
RFC3059         Attribute List Extension for the Service Location Protocol   
RFC3060         Policy Core Information Model -- Version 1 Specification   
RFC3062         LDAP Password Modify Extended Operation   
RFC3065         Autonomous System Confederations for BGP   (Obsoleted by: RFC5065)
RFC3068         An Anycast Prefix for 6to4 Relay Routers   
RFC3070         Layer Two Tunneling Protocol (L2TP) over Frame Relay   
RFC3074         DHC Load Balancing Algorithm   
RFC3075         XML-Signature Syntax and Processing   (Obsoleted by:  RFC3275)
RFC3077         A Link-Layer Tunneling Mechanism for Unidirectional Links   
RFC3080         The Blocks Extensible Exchange Protocol Core   
RFC3081         Mapping the BEEP Core onto TCP   
RFC3084         COPS Usage for Policy Provisioning (COPS-PR)   
RFC3090         DNS Security Extension Clarification on Zone Status   (Obsoleted by: RFC4033, RFC4034, RFC4035)
RFC3095         RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressed   
RFC3097         RSVP Cryptographic Authentication -- Updated Message Type Value   
RFC3101         The OSPF Not-So-Stubby Area (NSSA) Option   
RFC3107         Carrying Label Information in BGP-4   
RFC3108         Conventions for the use of the Session Description Protocol (SDP) for ATM Bearer Connections   
RFC3110         RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS)   
RFC3111         Service Location Protocol Modifications for IPv6   
RFC3115         Mobile IP Vendor/Organization-Specific Extensions   
RFC3118         Authentication for DHCP Messages   
RFC3119         A More Loss-Tolerant RTP Payload Format for MP3 Audio   (Obsoleted by: RFC5219)
RFC3122         Extensions to IPv6 Neighbor Discovery for Inverse Discovery Specification   
RFC3124         The Congestion Manager   
RFC3140         Per Hop Behavior Identification Codes   
RFC3144         Remote Monitoring MIB Extensions for Interface Parameters Monitoring   
RFC3145         L2TP Disconnect Cause Information   
RFC3146         Transmission of IPv6 Packets over IEEE 1394 Networks   
RFC3153         PPP Multiplexing   
RFC3156         MIME Security with OpenPGP   
RFC3159         Structure of Policy Provisioning Information (SPPI)   
RFC3161         Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP)   
RFC3162         RADIUS and IPv6   
RFC3165         Definitions of Managed Objects for the Delegation of Management Scripts   
RFC3168         The Addition of Explicit Congestion Notification (ECN) to IP   
RFC3173         IP Payload Compression Protocol (IPComp)   
RFC3175         Aggregation of RSVP for IPv4 and IPv6 Reservations   
RFC3181         Signaled Preemption Priority Policy Element   
RFC3182         Identity Representation for RSVP   
RFC3185         Reuse of CMS Content Encryption Keys   
RFC3189         RTP Payload Format for DV (IEC 61834) Video   (Obsoleted by: RFC6469)
RFC3190         RTP Payload Format for 12-bit DAT Audio and 20- and 24-bit Linear Sampled Audio   
RFC3193         Securing L2TP using IPsec   
RFC3195         Reliable Delivery for syslog   
RFC3201         Definitions of Managed Objects for Circuit to Interface Translation   
RFC3202         Definitions of Managed Objects for Frame Relay Service Level Definitions   
RFC3203         DHCP reconfigure extension   
RFC3204         MIME media types for ISUP and QSIG Objects   
RFC3206         The SYS and AUTH POP Response Codes   
RFC3207         SMTP Service Extension for Secure SMTP over Transport Layer Security   
RFC3209         RSVP-TE: Extensions to RSVP for LSP Tunnels   
RFC3211         Password-based Encryption for CMS   (Obsoleted by:  RFC3369, RFC3370)
RFC3212         Constraint-Based LSP Setup using LDP   
RFC3214         LSP Modification Using CR-LDP   
RFC3219         Telephony Routing over IP (TRIP)   
RFC3220         IP Mobility Support for IPv4   (Obsoleted by: RFC3344)
RFC3224         Vendor Extensions for Service Location Protocol, Version 2   
RFC3225         Indicating Resolver Support of DNSSEC   
RFC3226         DNSSEC and IPv6 A6 aware server/resolver message size requirements   
RFC3229         Delta encoding in HTTP   
RFC3230         Instance Digests in HTTP   
RFC3231         Definitions of Managed Objects for Scheduling Management Operations   
RFC3241         Robust Header Compression (ROHC) over PPP   
RFC3242         RObust Header Compression (ROHC): A Link-Layer Assisted Profile for IP/UDP/RTP   (Obsoleted by: RFC4362)
RFC3246         An Expedited Forwarding PHB (Per-Hop Behavior)   
RFC3250         Tag Image File Format Fax eXtended (TIFF-FX) - image/tiff-fx MIME Sub-type Registration   (Obsoleted by: RFC3950)
RFC3253         Versioning Extensions to WebDAV (Web Distributed Authoring and Versioning)   
RFC3255         Extending Point-to-Point Protocol (PPP) over Synchronous Optical NETwork/Synchronous Digital Hierarchy (SONET/SDH) with virtual concatenation, high order and low order payloads   
RFC3256         The DOCSIS (Data-Over-Cable Service Interface Specifications) Device Class DHCP (Dynamic Host Configuration Protocol) Relay Agent Information Sub-option   
RFC3261         SIP: Session Initiation Protocol   
RFC3262         Reliability of Provisional Responses in Session Initiation Protocol (SIP)   
RFC3263         Session Initiation Protocol (SIP): Locating SIP Servers   
RFC3264         An Offer/Answer Model with Session Description Protocol (SDP)   
RFC3265         Session Initiation Protocol (SIP)-Specific Event Notification   
RFC3266         Support for IPv6 in Session Description Protocol (SDP)   (Obsoleted by: RFC4566)
RFC3267         Real-Time Transport Protocol (RTP) Payload Format and File Storage Format for the Adaptive Multi-Rate (AMR) and Adaptive Multi-Rate Wideband (AMR-WB) Audio Codecs   (Obsoleted by: RFC4867)
RFC3268         Advanced Encryption Standard (AES) Ciphersuites for Transport Layer Security (TLS)   (Obsoleted by: RFC5246)
RFC3270         Multi-Protocol Label Switching (MPLS) Support of Differentiated Services   
RFC3273         Remote Network Monitoring Management Information Base for High Capacity Networks   
RFC3274         Compressed Data Content Type for Cryptographic Message Syntax (CMS)   
RFC3276         Definitions of Managed Objects for High Bit-Rate DSL - 2nd generation (HDSL2) and Single-Pair High-Speed Digital Subscriber Line (SHDSL) Lines Processing   (Obsoleted by: RFC4319)
RFC3279         Algorithms and Identifiers for the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile   
RFC3280         Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile   (Obsoleted by: RFC5280)
RFC3281         An Internet Attribute Certificate Profile for Authorization   (Obsoleted by: RFC5755)
RFC3284         The VCDIFF Generic Differencing and Compression Data Format   
RFC3287         Remote Monitoring MIB Extensions for Differentiated Services   
RFC3288         Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP)   (Obsoleted by: RFC4227)
RFC3289         Management Information Base for the Differentiated Services Architecture   
RFC3291         Textual Conventions for Internet Network Addresses   (Obsoleted by: RFC4001)
RFC3292         General Switch Management Protocol (GSMP) V3   
RFC3293         General Switch Management Protocol (GSMP) Packet Encapsulations for Asynchronous Transfer Mode (ATM), Ethernet and Transmission Control Protocol (TCP)   
RFC3295         Definitions of Managed Objects for the General Switch Management Protocol (GSMP)   
RFC3296         Named Subordinate References in Lightweight Directory Access Protocol (LDAP) Directories   
RFC3297         Content Negotiation for Messaging Services based on Email   
RFC3301         Layer Two Tunnelling Protocol (L2TP): ATM access network extensions   
RFC3306         Unicast-Prefix-based IPv6 Multicast Addresses   
RFC3307         Allocation Guidelines for IPv6 Multicast Addresses   
RFC3308         Layer Two Tunneling Protocol (L2TP) Differentiated Services Extension   
RFC3309         Stream Control Transmission Protocol (SCTP) Checksum Change   (Obsoleted by: RFC4960)
RFC3311         The Session Initiation Protocol (SIP) UPDATE Method   
RFC3312         Integration of Resource Management and Session Initiation Protocol (SIP)   
RFC3315         Dynamic Host Configuration Protocol for IPv6 (DHCPv6)   
RFC3319         Dynamic Host Configuration Protocol (DHCPv6) Options for Session Initiation Protocol (SIP) Servers   
RFC3320         Signaling Compression (SigComp)   
RFC3321         Signaling Compression (SigComp) - Extended Operations   
RFC3323         A Privacy Mechanism for the Session Initiation Protocol (SIP)   
RFC3326         The Reason Header Field for the Session Initiation Protocol (SIP)   
RFC3327         Session Initiation Protocol (SIP) Extension Header Field for Registering Non-Adjacent Contacts   
RFC3329         Security Mechanism Agreement for the Session Initiation Protocol (SIP)   
RFC3331         Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Adaptation Layer   
RFC3332         Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA)   (Obsoleted by: RFC4666)
RFC3335         MIME-based Secure Peer-to-Peer Business Data Interchange over the Internet   
RFC3336         PPP Over Asynchronous Transfer Mode Adaptation Layer 2 (AAL2)   
RFC3337         Class Extensions for PPP over Asynchronous Transfer Mode Adaptation Layer 2   
RFC3339         Date and Time on the Internet: Timestamps   
RFC3340         The Application Exchange Core   
RFC3341         The Application Exchange (APEX) Access Service   
RFC3342         The Application Exchange (APEX) Option Party Pack, Part Deux!   
RFC3344         IP Mobility Support for IPv4   (Obsoleted by: RFC5944)
RFC3347         Small Computer Systems Interface protocol over the Internet (iSCSI) Requirements and Design Considerations   
RFC3355         Layer Two Tunnelling Protocol (L2TP) Over ATM Adaptation Layer 5 (AAL5)   
RFC3361         Dynamic Host Configuration Protocol (DHCP-for-IPv4) Option for Session Initiation Protocol (SIP) Servers   
RFC3362         Real-time Facsimile (T.38) - image/t38 MIME Sub-type Registration   
RFC3367         Common Name Resolution Protocol (CNRP)   
RFC3368         The 'go' URI Scheme for the Common Name Resolution Protocol   
RFC3369         Cryptographic Message Syntax (CMS)   (Obsoleted by: RFC3852)
RFC3370         Cryptographic Message Syntax (CMS) Algorithms   
RFC3371         Layer Two Tunneling Protocol "L2TP" Management Information Base   
RFC3376         Internet Group Management Protocol, Version 3   
RFC3377         Lightweight Directory Access Protocol (v3): Technical Specification   (Obsoleted by: RFC4510)
RFC3380         Internet Printing Protocol (IPP): Job and Printer Set Operations   
RFC3381         Internet Printing Protocol (IPP): Job Progress Attributes   
RFC3382         Internet Printing Protocol (IPP): The 'collection' attribute syntax   
RFC3388         Grouping of Media Lines in the Session Description Protocol (SDP)   (Obsoleted by: RFC5888)
RFC3389         Real-time Transport Protocol (RTP) Payload for Comfort Noise (CN)   
RFC3390         Increasing TCP's Initial Window   
RFC3393         IP Packet Delay Variation Metric for IP Performance Metrics (IPPM)   
RFC3395         Remote Network Monitoring MIB Protocol Identifier Reference Extensions   
RFC3396         Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4)   
RFC3397         Dynamic Host Configuration Protocol (DHCP) Domain Search Option   
RFC3398         Integrated Services Digital Network (ISDN) User Part (ISUP) to Session Initiation Protocol (SIP) Mapping   
RFC3402         Dynamic Delegation Discovery System (DDDS) Part Two: The Algorithm   
RFC3403         Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) Database   
RFC3404         Dynamic Delegation Discovery System (DDDS) Part Four: The Uniform Resource Identifiers (URI)   
RFC3407         Session Description Protocol (SDP) Simple Capability Declaration   
RFC3408         Zero-byte Support for Bidirectional Reliable Mode (R-mode) in Extended Link-Layer Assisted RObust Header Compression (ROHC) Profile   
RFC3419         Textual Conventions for Transport Addresses   
RFC3420         Internet Media Type message/sipfrag   
RFC3425         Obsoleting IQUERY   
RFC3428         Session Initiation Protocol (SIP) Extension for Instant Messaging   
RFC3431         Sieve Extension: Relational Tests   (Obsoleted by: RFC5231)
RFC3432         Network performance measurement with periodic streams   
RFC3433         Entity Sensor Management Information Base   
RFC3434         Remote Monitoring MIB Extensions for High Capacity Alarms   
RFC3436         Transport Layer Security over Stream Control Transmission Protocol   
RFC3437         Layer-Two Tunneling Protocol Extensions for PPP Link Control Protocol Negotiation   
RFC3440         Definitions of Extension Managed Objects for Asymmetric Digital Subscriber Lines   
RFC3442         The Classless Static Route Option for Dynamic Host Configuration Protocol (DHCP) version 4   
RFC3443         Time To Live (TTL) Processing in Multi-Protocol Label Switching (MPLS) Networks   
RFC3445         Limiting the Scope of the KEY Resource Record (RR)   (Obsoleted by: RFC4033, RFC4034, RFC4035)
RFC3448         TCP Friendly Rate Control (TFRC): Protocol Specification   (Obsoleted by: RFC5348)
RFC3454         Preparation of Internationalized Strings ("stringprep")   
RFC3456         Dynamic Host Configuration Protocol (DHCPv4) Configuration of IPsec Tunnel Mode   
RFC3458         Message Context for Internet Mail   
RFC3459         Critical Content Multi-purpose Internet Mail Extensions (MIME) Parameter   
RFC3460         Policy Core Information Model (PCIM) Extensions   
RFC3471         Generalized Multi-Protocol Label Switching (GMPLS) Signaling Functional Description   
RFC3472         Generalized Multi-Protocol Label Switching (GMPLS) Signaling Constraint-based Routed Label Distribution Protocol (CR-LDP) Extensions   
RFC3473         Generalized Multi-Protocol Label Switching (GMPLS) Signaling Resource ReserVation Protocol-Traffic Engineering (RSVP-TE) Extensions   
RFC3477         Signalling Unnumbered Links in Resource ReSerVation Protocol - Traffic Engineering (RSVP-TE)   
RFC3478         Graceful Restart Mechanism for Label Distribution Protocol   
RFC3479         Fault Tolerance for the Label Distribution Protocol (LDP)   
RFC3480         Signalling Unnumbered Links in CR-LDP (Constraint-Routing Label Distribution Protocol)   
RFC3484         Default Address Selection for Internet Protocol version 6 (IPv6)   
RFC3485         The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Static Dictionary for Signaling Compression (SigComp)   
RFC3486         Compressing the Session Initiation Protocol (SIP)   
RFC3489         STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)   (Obsoleted by: RFC5389)
RFC3490         Internationalizing Domain Names in Applications (IDNA)   (Obsoleted by: RFC5890, RFC5891)
RFC3491         Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN)   (Obsoleted by: RFC5891)
RFC3492         Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)   
RFC3495         Dynamic Host Configuration Protocol (DHCP) Option for CableLabs Client Configuration   
RFC3497         RTP Payload Format for Society of Motion Picture and Television Engineers (SMPTE) 292M Video   
RFC3498         Definitions of Managed Objects for Synchronous Optical Network (SONET) Linear Automatic Protection Switching (APS) Architectures   
RFC3501         INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1   
RFC3502         Internet Message Access Protocol (IMAP) - MULTIAPPEND Extension   
RFC3503         Message Disposition Notification (MDN) profile for Internet Message Access Protocol (IMAP)   
RFC3510         Internet Printing Protocol/1.1: IPP URL Scheme   
RFC3513         Internet Protocol Version 6 (IPv6) Addressing Architecture   (Obsoleted by: RFC4291)
RFC3515         The Session Initiation Protocol (SIP) Refer Method   
RFC3516         IMAP4 Binary Content Extension   
RFC3517         A Conservative Selective Acknowledgment (SACK)-based Loss Recovery Algorithm for TCP   
RFC3518         Point-to-Point Protocol (PPP) Bridging Control Protocol (BCP)   
RFC3519         Mobile IP Traversal of Network Address Translation (NAT) Devices   
RFC3520         Session Authorization Policy Element   
RFC3524         Mapping of Media Streams to Resource Reservation Flows   
RFC3526         More Modular Exponential (MODP) Diffie-Hellman groups for Internet Key Exchange (IKE)   
RFC3527         Link Selection sub-option for the Relay Agent Information Option for DHCPv4   
RFC3530         Network File System (NFS) version 4 Protocol   
RFC3534         The application/ogg Media Type   (Obsoleted by: RFC5334)
RFC3537         Wrapping a Hashed Message Authentication Code (HMAC) key with a Triple-Data Encryption Standard (DES) Key or an Advanced Encryption Standard (AES) Key   
RFC3539         Authentication, Authorization and Accounting (AAA) Transport Profile   
RFC3543         Registration Revocation in Mobile IPv4   
RFC3544         IP Header Compression over PPP   
RFC3545         Enhanced Compressed RTP (CRTP) for Links with High Delay, Packet Loss and Reordering   
RFC3546         Transport Layer Security (TLS) Extensions   (Obsoleted by: RFC4366)
RFC3547         The Group Domain of Interpretation   (Obsoleted by: RFC6407)
RFC3554         On the Use of Stream Control Transmission Protocol (SCTP) with IPsec   
RFC3555         MIME Type Registration of RTP Payload Formats   (Obsoleted by: RFC4855, RFC4856)
RFC3556         Session Description Protocol (SDP) Bandwidth Modifiers for RTP Control Protocol (RTCP) Bandwidth   
RFC3557         RTP Payload Format for European Telecommunications Standards Institute (ETSI) European Standard ES 201 108 Distributed Speech Recognition Encoding   
RFC3558         RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)   
RFC3559         Multicast Address Allocation MIB   
RFC3560         Use of the RSAES-OAEP Key Transport Algorithm in Cryptographic Message Syntax (CMS)   
RFC3565         Use of the Advanced Encryption Standard (AES) Encryption Algorithm in Cryptographic Message Syntax (CMS)   
RFC3566         The AES-XCBC-MAC-96 Algorithm and Its Use With IPsec   
RFC3573         Signalling of Modem-On-Hold status in Layer 2 Tunneling Protocol (L2TP)   
RFC3575         IANA Considerations for RADIUS (Remote Authentication Dial In User Service)   
RFC3578         Mapping of Integrated Services Digital Network (ISDN) User Part (ISUP) Overlap Signalling to the Session Initiation Protocol (SIP)   
RFC3581         An Extension to the Session Initiation Protocol (SIP) for Symmetric Response Routing   
RFC3585         IPsec Configuration Policy Information Model   
RFC3586         IP Security Policy (IPSP) Requirements   
RFC3588         Diameter Base Protocol   
RFC3590         Source Address Selection for the Multicast Listener Discovery (MLD) Protocol   
RFC3591         Definitions of Managed Objects for the Optical Interface Type   
RFC3594         PacketCable Security Ticket Control Sub-Option for the DHCP CableLabs Client Configuration (CCC) Option   
RFC3595         Textual Conventions for IPv6 Flow Label   
RFC3597         Handling of Unknown DNS Resource Record (RR) Types   
RFC3598         Sieve Email Filtering -- Subaddress Extension   (Obsoleted by: RFC5233)
RFC3601         Text String Notation for Dial Sequences and Global Switched Telephone Network (GSTN) / E.164 Addresses   
RFC3602         The AES-CBC Cipher Algorithm and Its Use with IPsec   
RFC3605         Real Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP)   
RFC3606         Definitions of Supplemental Managed Objects for ATM Interface   
RFC3608         Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration   
RFC3611         RTP Control Protocol Extended Reports (RTCP XR)   
RFC3620         The TUNNEL Profile   
RFC3621         Power Ethernet MIB   
RFC3623         Graceful OSPF Restart   
RFC3630         Traffic Engineering (TE) Extensions to OSPF Version 2   
RFC3633         IPv6 Prefix Options for Dynamic Host Configuration Protocol (DHCP) version 6   
RFC3634         Key Distribution Center (KDC) Server Address Sub-option for the Dynamic Host Configuration Protocol (DHCP) CableLabs Client Configuration (CCC) Option   
RFC3635         Definitions of Managed Objects for the Ethernet-like Interface Types   
RFC3636         Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs)   (Obsoleted by: RFC4836)
RFC3637         Definitions of Managed Objects for the Ethernet WAN Interface Sublayer   
RFC3640         RTP Payload Format for Transport of MPEG-4 Elementary Streams   
RFC3641         Generic String Encoding Rules (GSER) for ASN.1 Types   
RFC3642         Common Elements of Generic String Encoding Rules (GSER) Encodings   
RFC3643         Fibre Channel (FC) Frame Encapsulation   
RFC3644         Policy Quality of Service (QoS) Information Model   
RFC3645         Generic Security Service Algorithm for Secret Key Transaction Authentication for DNS (GSS-TSIG)   
RFC3646         DNS Configuration options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)   
RFC3648         Web Distributed Authoring and Versioning (WebDAV) Ordered Collections Protocol   
RFC3655         Redefinition of DNS Authenticated Data (AD) bit   (Obsoleted by: RFC4033, RFC4034, RFC4035)
RFC3657         Use of the Camellia Encryption Algorithm in Cryptographic Message Syntax (CMS)   
RFC3658         Delegation Signer (DS) Resource Record (RR)   (Obsoleted by:  RFC4033, RFC4034, RFC4035)
RFC3659         Extensions to FTP   
RFC3664         The AES-XCBC-PRF-128 Algorithm for the Internet Key Exchange Protocol (IKE)   (Obsoleted by: RFC4434)
RFC3670         Information Model for Describing Network Device QoS Datapath Mechanisms   
RFC3671         Collective Attributes in the Lightweight Directory Access Protocol (LDAP)   
RFC3672         Subentries in the Lightweight Directory Access Protocol (LDAP)   
RFC3673         Lightweight Directory Access Protocol version 3 (LDAPv3): All Operational Attributes   
RFC3674         Feature Discovery in Lightweight Directory Access Protocol (LDAP)   (Obsoleted by: RFC4512)
RFC3676         The Text/Plain Format and DelSp Parameters   
RFC3680         A Session Initiation Protocol (SIP) Event Package for Registrations   
RFC3685         SIEVE Email Filtering: Spamtest and VirusTest Extensions   (Obsoleted by: RFC5235)
RFC3686         Using Advanced Encryption Standard (AES) Counter Mode With IPsec Encapsulating Security Payload (ESP)   
RFC3687         Lightweight Directory Access Protocol (LDAP) and X.500 Component Matching Rules   
RFC3691         Internet Message Access Protocol (IMAP) UNSELECT command   
RFC3697         IPv6 Flow Label Specification   (Obsoleted by: RFC6437)
RFC3698         Lightweight Directory Access Protocol (LDAP): Additional Matching Rules   
RFC3703         Policy Core Lightweight Directory Access Protocol (LDAP) Schema   
RFC3705         High Capacity Textual Conventions for MIB Modules Using Performance History Based on 15 Minute Intervals   
RFC3709         Internet X.509 Public Key Infrastructure: Logotypes in X.509 Certificates   
RFC3711         The Secure Real-time Transport Protocol (SRTP)   
RFC3720         Internet Small Computer Systems Interface (iSCSI)   
RFC3722         String Profile for Internet Small Computer Systems Interface (iSCSI) Names   
RFC3723         Securing Block Storage Protocols over IP   
RFC3727         ASN.1 Module Definition for the LDAP and X.500 Component Matching Rules   
RFC3728         Definitions of Managed Objects for Very High Speed Digital Subscriber Lines (VDSL)   
RFC3729         Application Performance Measurement MIB   
RFC3730         Extensible Provisioning Protocol (EPP)   (Obsoleted by: RFC4930)
RFC3731         Extensible Provisioning Protocol (EPP) Domain Name Mapping   (Obsoleted by: RFC4931)
RFC3732         Extensible Provisioning Protocol (EPP) Host Mapping   (Obsoleted by: RFC4932)
RFC3733         Extensible Provisioning Protocol (EPP) Contact Mapping   (Obsoleted by: RFC4933)
RFC3734         Extensible Provisioning Protocol (EPP) Transport Over TCP   (Obsoleted by: RFC4934)
RFC3736         Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6   
RFC3737         IANA Guidelines for the Registry of Remote Monitoring (RMON) MIB modules   
RFC3739         Internet X.509 Public Key Infrastructure: Qualified Certificates Profile   
RFC3744         Web Distributed Authoring and Versioning (WebDAV) Access Control Protocol   
RFC3745         MIME Type Registrations for JPEG 2000 (ISO/IEC 15444)   
RFC3747         The Differentiated Services Configuration MIB   
RFC3748         Extensible Authentication Protocol (EAP)   
RFC3749         Transport Layer Security Protocol Compression Methods   
RFC3755         Legacy Resolver Compatibility for Delegation Signer (DS)   (Obsoleted by: RFC4033, RFC4034, RFC4035)
RFC3757         Domain Name System KEY (DNSKEY) Resource Record (RR) Secure Entry Point (SEP) Flag   (Obsoleted by:  RFC4033, RFC4034, RFC4035)
RFC3758         Stream Control Transmission Protocol (SCTP) Partial Reliability Extension   
RFC3761         The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)   (Obsoleted by: RFC6116, RFC6117)
RFC3762         Telephone Number Mapping (ENUM) Service Registration for H.323   
RFC3764         enumservice registration for Session Initiation Protocol (SIP) Addresses-of-Record   
RFC3767         Securely Available Credentials Protocol   
RFC3770         Certificate Extensions and Attributes Supporting Authentication in Point-to-Point Protocol (PPP) and Wireless Local Area Networks (WLAN)   (Obsoleted by: RFC4334)
RFC3771         The Lightweight Directory Access Protocol (LDAP) Intermediate Response Message   (Obsoleted by: RFC4511, RFC4510)
RFC3772         Point-to-Point Protocol (PPP) Vendor Protocol   
RFC3775         Mobility Support in IPv6   (Obsoleted by: RFC6275)
RFC3776         Using IPsec to Protect Mobile IPv6 Signaling Between Mobile Nodes and Home Agents   
RFC3779         X.509 Extensions for IP Addresses and AS Identifiers   
RFC3782         The NewReno Modification to TCP's Fast Recovery Algorithm   
RFC3788         Security Considerations for Signaling Transport (SIGTRAN) Protocols   
RFC3804         Voice Profile for Internet Mail (VPIM) Addressing   
RFC3805         Printer MIB v2   
RFC3807         V5.2-User Adaptation Layer (V5UA)   
RFC3810         Multicast Listener Discovery Version 2 (MLDv2) for IPv6   
RFC3811         Definitions of Textual Conventions (TCs) for Multiprotocol Label Switching (MPLS) Management   
RFC3812         Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Management Information Base (MIB)   
RFC3813         Multiprotocol Label Switching (MPLS) Label Switching Router (LSR) Management Information Base (MIB)   
RFC3814         Multiprotocol Label Switching (MPLS) Forwarding Equivalence Class To Next Hop Label Forwarding Entry (FEC-To-NHLFE) Management Information Base (MIB)   
RFC3815         Definitions of Managed Objects for the Multiprotocol Label Switching (MPLS), Label Distribution Protocol (LDP)   
RFC3816         Definitions of Managed Objects for RObust Header Compression (ROHC)   
RFC3820         Internet X.509 Public Key Infrastructure (PKI) Proxy Certificate Profile   
RFC3821         Fibre Channel Over TCP/IP (FCIP)   
RFC3822         Finding Fibre Channel over TCP/IP (FCIP) Entities Using Service Location Protocol version 2 (SLPv2)   
RFC3825         Dynamic Host Configuration Protocol Option for Coordinate-based Location Configuration Information   (Obsoleted by: RFC6225)
RFC3826         The Advanced Encryption Standard (AES) Cipher Algorithm in the SNMP User-based Security Model   
RFC3828         The Lightweight User Datagram Protocol (UDP-Lite)   
RFC3830         MIKEY: Multimedia Internet KEYing   
RFC3831         Transmission of IPv6 Packets over Fibre Channel   (Obsoleted by: RFC4338)
RFC3834         Recommendations for Automatic Responses to Electronic Mail   
RFC3839         MIME Type Registrations for 3rd Generation Partnership Project (3GPP) Multimedia files   
RFC3840         Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)   
RFC3841         Caller Preferences for the Session Initiation Protocol (SIP)   
RFC3842         A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP)   
RFC3843         RObust Header Compression (ROHC): A Compression Profile for IP   
RFC3845         DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format   (Obsoleted by:  RFC4033, RFC4034, RFC4035)
RFC3846         Mobile IPv4 Extension for Carrying Network Access Identifiers   
RFC3850         Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Certificate Handling   (Obsoleted by: RFC5750)
RFC3851         Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.1 Message Specification   (Obsoleted by: RFC5751)
RFC3852         Cryptographic Message Syntax (CMS)   (Obsoleted by: RFC5652)
RFC3853         S/MIME Advanced Encryption Standard (AES) Requirement for the Session Initiation Protocol (SIP)   
RFC3854         Securing X.400 Content with Secure/Multipurpose Internet Mail Extensions (S/MIME)   
RFC3855         Transporting Secure/Multipurpose Internet Mail Extensions (S/MIME) Objects in X.400   
RFC3856         A Presence Event Package for the Session Initiation Protocol (SIP)   
RFC3857         A Watcher Information Event Template-Package for the Session Initiation Protocol (SIP)   
RFC3858         An Extensible Markup Language (XML) Based Format for Watcher Information   
RFC3859         Common Profile for Presence (CPP)   
RFC3860         Common Profile for Instant Messaging (CPIM)   
RFC3861         Address Resolution for Instant Messaging and Presence   
RFC3862         Common Presence and Instant Messaging (CPIM): Message Format   
RFC3863         Presence Information Data Format (PIDF)   
RFC3865         A No Soliciting Simple Mail Transfer Protocol (SMTP) Service Extension   
RFC3866         Language Tags and Ranges in the Lightweight Directory Access Protocol (LDAP)   
RFC3868         Signalling Connection Control Part User Adaptation Layer (SUA)   
RFC3872         Management Information Base for Telephony Routing over IP (TRIP)   
RFC3873         Stream Control Transmission Protocol (SCTP) Management Information Base (MIB)   
RFC3876         Returning Matched Values with the Lightweight Directory Access Protocol version 3 (LDAPv3)   
RFC3877         Alarm Management Information Base (MIB)   
RFC3878         Alarm Reporting Control Management Information Base (MIB)   
RFC3879         Deprecating Site Local Addresses   
RFC3880         Call Processing Language (CPL): A Language for User Control of Internet Telephony Services   
RFC3883         Detecting Inactive Neighbors over OSPF Demand Circuits (DC)   
RFC3885         SMTP Service Extension for Message Tracking   
RFC3886         An Extensible Message Format for Message Tracking Responses   
RFC3887         Message Tracking Query Protocol   
RFC3890         A Transport Independent Bandwidth Modifier for the Session Description Protocol (SDP)   
RFC3891         The Session Initiation Protocol (SIP) "Replaces" Header   
RFC3892         The Session Initiation Protocol (SIP) Referred-By Mechanism   
RFC3893         Session Initiation Protocol (SIP) Authenticated Identity Body (AIB) Format   
RFC3894         Sieve Extension: Copying Without Side Effects   
RFC3895         Definitions of Managed Objects for the DS1, E1, DS2, and E2 Interface Types   (Obsoleted by: RFC4805)
RFC3896         Definitions of Managed Objects for the DS3/E3 Interface Type   
RFC3898         Network Information Service (NIS) Configuration Options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)   
RFC3903         Session Initiation Protocol (SIP) Extension for Event State Publication   
RFC3909         Lightweight Directory Access Protocol (LDAP) Cancel Operation   
RFC3910         The SPIRITS (Services in PSTN requesting Internet Services) Protocol   
RFC3911         The Session Initiation Protocol (SIP) "Join" Header   
RFC3915         Domain Registry Grace Period Mapping for the Extensible Provisioning Protocol (EPP)   
RFC3920         Extensible Messaging and Presence Protocol (XMPP): Core   (Obsoleted by: RFC6120)
RFC3921         Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence   (Obsoleted by: RFC6121)
RFC3922         Mapping the Extensible Messaging and Presence Protocol (XMPP) to Common Presence and Instant Messaging (CPIM)   
RFC3923         End-to-End Signing and Object Encryption for the Extensible Messaging and Presence Protocol (XMPP)   
RFC3925         Vendor-Identifying Vendor Options for Dynamic Host Configuration Protocol version 4 (DHCPv4)   
RFC3927         Dynamic Configuration of IPv4 Link-Local Addresses   
RFC3928         Lightweight Directory Access Protocol (LDAP) Client Update Protocol (LCUP)   
RFC3931         Layer Two Tunneling Protocol - Version 3 (L2TPv3)   
RFC3938         Video-Message Message-Context   
RFC3939         Calling Line Identification for Voice Mail Messages   
RFC3942         Reclassifying Dynamic Host Configuration Protocol version 4 (DHCPv4) Options   
RFC3945         Generalized Multi-Protocol Label Switching (GMPLS) Architecture   
RFC3946         Generalized Multi-Protocol Label Switching (GMPLS) Extensions for Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH) Control   (Obsoleted by: RFC4606)
RFC3947         Negotiation of NAT-Traversal in the IKE   
RFC3948         UDP Encapsulation of IPsec ESP Packets   
RFC3953         Telephone Number Mapping (ENUM) Service Registration for Presence Services   
RFC3956         Embedding the Rendezvous Point (RP) Address in an IPv6 Multicast Address   
RFC3957         Authentication, Authorization, and Accounting (AAA) Registration Keys for Mobile IPv4   
RFC3958         Domain-Based Application Service Location Using SRV RRs and the Dynamic Delegation Discovery Service (DDDS)   
RFC3959         The Early Session Disposition Type for the Session Initiation Protocol (SIP)   
RFC3961         Encryption and Checksum Specifications for Kerberos 5   
RFC3962         Advanced Encryption Standard (AES) Encryption for Kerberos 5   
RFC3963         Network Mobility (NEMO) Basic Support Protocol   
RFC3966         The tel URI for Telephone Numbers   
RFC3970         A Traffic Engineering (TE) MIB   
RFC3971         SEcure Neighbor Discovery (SEND)   
RFC3972         Cryptographically Generated Addresses (CGA)   
RFC3977         Network News Transfer Protocol (NNTP)   
RFC3980         T11 Network Address Authority (NAA) Naming Format for iSCSI Node Names   
RFC3981         IRIS: The Internet Registry Information Service (IRIS) Core Protocol   
RFC3982         IRIS:  A Domain Registry (dreg) Type for the Internet Registry Information Service (IRIS)   
RFC3983         Using the Internet Registry Information Service (IRIS) over the Blocks Extensible Exchange Protocol (BEEP)   
RFC3984         RTP Payload Format for H.264 Video   (Obsoleted by: RFC6184)
RFC3987         Internationalized Resource Identifiers (IRIs)   
RFC3993         Subscriber-ID Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option   
RFC3994         Indication of Message Composition for Instant Messaging   
RFC3995         Internet Printing Protocol (IPP): Event Notifications and Subscriptions   
RFC3996         Internet Printing Protocol (IPP): The 'ippget' Delivery Method for Event Notifications   
RFC3998         Internet Printing Protocol (IPP): Job and Printer Administrative Operations   
RFC4001         Textual Conventions for Internet Network Addresses   
RFC4002         IANA Registration for Enumservice 'web' and 'ft'   
RFC4003         GMPLS Signaling Procedure for Egress Control   
RFC4004         Diameter Mobile IPv4 Application   
RFC4005         Diameter Network Access Server Application   
RFC4006         Diameter Credit-Control Application   
RFC4007         IPv6 Scoped Address Architecture   
RFC4008         Definitions of Managed Objects for Network Address Translators (NAT)   
RFC4010         Use of the SEED Encryption Algorithm in Cryptographic Message Syntax (CMS)   
RFC4011         Policy Based Management MIB   
RFC4012         Routing Policy Specification Language next generation (RPSLng)   
RFC4013         SASLprep: Stringprep Profile for User Names and Passwords   
RFC4014         Remote Authentication Dial-In User Service (RADIUS) Attributes Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Information Option   
RFC4015         The Eifel Response Algorithm for TCP   
RFC4018         Finding Internet Small Computer Systems Interface (iSCSI) Targets and Name Servers by Using Service Location Protocol version 2 (SLPv2)   
RFC4019         RObust Header Compression (ROHC): Profiles for User Datagram Protocol (UDP) Lite   
RFC4021         Registration of Mail and MIME Header Fields   
RFC4022         Management Information Base for the Transmission Control Protocol (TCP)   
RFC4023         Encapsulating MPLS in IP or Generic Routing Encapsulation (GRE)   
RFC4025         A Method for Storing IPsec Keying Material in DNS   
RFC4028         Session Timers in the Session Initiation Protocol (SIP)   
RFC4030         The Authentication Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option   
RFC4032         Update to the Session Initiation Protocol (SIP) Preconditions Framework   
RFC4033         DNS Security Introduction and Requirements   
RFC4034         Resource Records for the DNS Security Extensions   
RFC4035         Protocol Modifications for the DNS Security Extensions   
RFC4036         Management Information Base for Data Over Cable Service Interface Specification (DOCSIS) Cable Modem Termination Systems for Subscriber Management   
RFC4037         Open Pluggable Edge Services (OPES) Callout Protocol (OCP) Core   
RFC4039         Rapid Commit Option for the Dynamic Host Configuration Protocol version 4 (DHCPv4)   
RFC4040         RTP Payload Format for a 64 kbit/s Transparent Call   
RFC4043         Internet X.509 Public Key Infrastructure Permanent Identifier   
RFC4044         Fibre Channel Management MIB   
RFC4051         Additional XML Security Uniform Resource Identifiers (URIs)   
RFC4055         Additional Algorithms and Identifiers for RSA Cryptography for use in the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile   
RFC4056         Use of the RSASSA-PSS Signature Algorithm in Cryptographic Message Syntax (CMS)   
RFC4060         RTP Payload Formats for European Telecommunications Standards Institute (ETSI) European Standard ES 202 050, ES 202 211, and ES 202 212 Distributed Speech Recognition Encoding   
RFC4064         Experimental Message, Extensions, and Error Codes for Mobile IPv4   
RFC4069         Definitions of Managed Object Extensions for Very High Speed Digital Subscriber Lines (VDSL) Using Single Carrier Modulation (SCM) Line Coding   
RFC4070         Definitions of Managed Object Extensions for Very High Speed Digital Subscriber Lines (VDSL) Using Multiple Carrier Modulation (MCM) Line Coding   
RFC4072         Diameter Extensible Authentication Protocol (EAP) Application   
RFC4073         Protecting Multiple Contents with the Cryptographic Message Syntax (CMS)   
RFC4075         Simple Network Time Protocol (SNTP) Configuration Option for DHCPv6   
RFC4077         A Negative Acknowledgement Mechanism for Signaling Compression   
RFC4087         IP Tunnel MIB   
RFC4088         Uniform Resource Identifier (URI) Scheme for the Simple Network Management Protocol (SNMP)   
RFC4090         Fast Reroute Extensions to RSVP-TE for LSP Tunnels   
RFC4091         The Alternative Network Address Types (ANAT) Semantics for the Session Description Protocol (SDP) Grouping Framework   (Obsoleted by: RFC5245)
RFC4092         Usage of the Session Description Protocol (SDP) Alternative Network Address Types (ANAT) Semantics in the Session Initiation Protocol (SIP)   (Obsoleted by: RFC5245)
RFC4095         Attaching Meaning to Solicitation Class Keywords   
RFC4102         Registration of the text/red MIME Sub-Type   
RFC4103         RTP Payload for Text Conversation   
RFC4104         Policy Core Extension Lightweight Directory Access Protocol Schema (PCELS)   
RFC4106         The Use of Galois/Counter Mode (GCM) in IPsec Encapsulating Security Payload (ESP)   
RFC4108         Using Cryptographic Message Syntax (CMS) to Protect Firmware Packages   
RFC4109         Algorithms for Internet Key Exchange version 1 (IKEv1)   
RFC4112         Electronic Commerce Modeling Language (ECML) Version 2 Specification   
RFC4113         Management Information Base for the User Datagram Protocol (UDP)   
RFC4114         E.164 Number Mapping for the Extensible Provisioning Protocol (EPP)   
RFC4119         A Presence-based GEOPRIV Location Object Format   
RFC4120         The Kerberos Network Authentication Service (V5)   
RFC4121         The Kerberos Version 5 Generic Security Service Application Program Interface (GSS-API) Mechanism: Version 2   
RFC4122         A Universally Unique IDentifier (UUID) URN Namespace   
RFC4124         Protocol Extensions for Support of Diffserv-aware MPLS Traffic Engineering   
RFC4129         Digital Private Network Signaling System (DPNSS)/Digital Access Signaling System 2 (DASS 2) Extensions to the IUA Protocol   
RFC4130         MIME-Based Secure Peer-to-Peer Business Data Interchange Using HTTP, Applicability Statement 2 (AS2)   
RFC4131         Management Information Base for Data Over Cable Service Interface Specification (DOCSIS) Cable Modems and Cable Modem Termination Systems for Baseline Privacy Plus   
RFC4132         Addition of Camellia Cipher Suites to Transport Layer Security (TLS)   (Obsoleted by: RFC5932)
RFC4133         Entity MIB (Version 3)   
RFC4141         SMTP and MIME Extensions for Content Conversion   
RFC4142         Full-mode Fax Profile for Internet Mail (FFPIM)   
RFC4143         Facsimile Using Internet Mail (IFAX) Service of ENUM   
RFC4145         TCP-Based Media Transport in the Session Description Protocol (SDP)   
RFC4149         Definition of Managed Objects for Synthetic Sources for Performance Monitoring Algorithms   
RFC4150         Transport Performance Metrics MIB   
RFC4162         Addition of SEED Cipher Suites to Transport Layer Security (TLS)   
RFC4164         RObust Header Compression (ROHC): Context Replication for ROHC Profiles   
RFC4165         Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Peer-to-Peer Adaptation Layer (M2PA)   
RFC4168         The Stream Control Transmission Protocol (SCTP) as a Transport for the Session Initiation Protocol (SIP)   
RFC4171         Internet Storage Name Service (iSNS)   
RFC4172         iFCP - A Protocol for Internet Fibre Channel Storage Networking   
RFC4173         Bootstrapping Clients using the Internet Small Computer System Interface (iSCSI) Protocol   
RFC4174         The IPv4 Dynamic Host Configuration Protocol (DHCP) Option for the Internet Storage Name Service   
RFC4175         RTP Payload Format for Uncompressed Video   
RFC4178         The Simple and Protected Generic Security Service Application Program Interface (GSS-API) Negotiation Mechanism   
RFC4182         Removing a Restriction on the use of MPLS Explicit NULL   
RFC4184         RTP Payload Format for AC-3 Audio   
RFC4188         Definitions of Managed Objects for Bridges   
RFC4191         Default Router Preferences and More-Specific Routes   
RFC4193         Unique Local IPv6 Unicast Addresses   
RFC4194         The S Hexdump Format   
RFC4196         The SEED Cipher Algorithm and Its Use with IPsec   
RFC4201         Link Bundling in MPLS Traffic Engineering (TE)   
RFC4202         Routing Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)   
RFC4203         OSPF Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)   
RFC4204         Link Management Protocol (LMP)   
RFC4206         Label Switched Paths (LSP) Hierarchy with Generalized Multi-Protocol Label Switching (GMPLS) Traffic Engineering (TE)   
RFC4207         Synchronous Optical Network (SONET)/Synchronous Digital Hierarchy (SDH) Encoding for Link Management Protocol (LMP) Test Messages   
RFC4208         Generalized Multiprotocol Label Switching (GMPLS) User-Network Interface (UNI): Resource ReserVation Protocol-Traffic Engineering (RSVP-TE) Support for the Overlay Model   
RFC4209         Link Management Protocol (LMP) for Dense Wavelength Division Multiplexing (DWDM) Optical Line Systems   
RFC4210         Internet X.509 Public Key Infrastructure Certificate Management Protocol (CMP)   
RFC4211         Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)   
RFC4213         Basic Transition Mechanisms for IPv6 Hosts and Routers   
RFC4217         Securing FTP with TLS   
RFC4220         Traffic Engineering Link Management Information Base   
RFC4227         Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP)   
RFC4231         Identifiers and Test Vectors for HMAC-SHA-224, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512   
RFC4233         Integrated Services Digital Network (ISDN) Q.921-User Adaptation Layer   
RFC4235         An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)   
RFC4236         HTTP Adaptation with Open Pluggable Edge Services (OPES)   
RFC4237         Voice Messaging Directory Service   
RFC4238         Voice Message Routing Service   
RFC4239         Internet Voice Messaging (IVM)   
RFC4242         Information Refresh Time Option for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)   
RFC4243         Vendor-Specific Information Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option   
RFC4244         An Extension to the Session Initiation Protocol (SIP) for Request History Information   
RFC4248         The telnet URI Scheme   
RFC4250         The Secure Shell (SSH) Protocol Assigned Numbers   
RFC4251         The Secure Shell (SSH) Protocol Architecture   
RFC4252         The Secure Shell (SSH) Authentication Protocol   
RFC4253         The Secure Shell (SSH) Transport Layer Protocol   
RFC4254         The Secure Shell (SSH) Connection Protocol   
RFC4255         Using DNS to Securely Publish Secure Shell (SSH) Key Fingerprints   
RFC4256         Generic Message Exchange Authentication for the Secure Shell Protocol (SSH)   
RFC4261         Common Open Policy Service (COPS) Over Transport Layer Security (TLS)   
RFC4262         X.509 Certificate Extension for Secure/Multipurpose Internet Mail Extensions (S/MIME) Capabilities   
RFC4265         Definition of Textual Conventions for Virtual Private Network (VPN) Management   
RFC4266         The gopher URI Scheme   
RFC4268         Entity State MIB   
RFC4273         Definitions of Managed Objects for BGP-4   
RFC4279         Pre-Shared Key Ciphersuites for Transport Layer Security (TLS)   
RFC4280         Dynamic Host Configuration Protocol (DHCP) Options for Broadcast and Multicast Control Servers   
RFC4281         The Codecs Parameter for "Bucket" Media Types   (Obsoleted by: RFC6381)
RFC4282         The Network Access Identifier   
RFC4283         Mobile Node Identifier Option for Mobile IPv6 (MIPv6)   
RFC4286         Multicast Router Discovery   
RFC4287         The Atom Syndication Format   
RFC4292         IP Forwarding Table MIB   
RFC4293         Management Information Base for the Internet Protocol (IP)   
RFC4295         Mobile IPv6 Management Information Base   
RFC4298         RTP Payload Format for BroadVoice Speech Codecs   
RFC4301         Security Architecture for the Internet Protocol   
RFC4302         IP Authentication Header   
RFC4303         IP Encapsulating Security Payload (ESP)   
RFC4304         Extended Sequence Number (ESN) Addendum to IPsec Domain of Interpretation (DOI) for Internet Security Association and Key Management Protocol (ISAKMP)   
RFC4305         Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)   (Obsoleted by: RFC4835)
RFC4306         Internet Key Exchange (IKEv2) Protocol   (Obsoleted by: RFC5996)
RFC4307         Cryptographic Algorithms for Use in the Internet Key Exchange Version 2 (IKEv2)   
RFC4308         Cryptographic Suites for IPsec   
RFC4309         Using Advanced Encryption Standard (AES) CCM Mode with IPsec Encapsulating Security Payload (ESP)   
RFC4310         Domain Name System (DNS) Security Extensions Mapping for the Extensible Provisioning Protocol (EPP)   (Obsoleted by: RFC5910)
RFC4311         IPv6 Host-to-Router Load Sharing   
RFC4312         The Camellia Cipher Algorithm and Its Use With IPsec   
RFC4314         IMAP4 Access Control List (ACL) Extension   
RFC4315         Internet Message Access Protocol (IMAP) - UIDPLUS extension   
RFC4318         Definitions of Managed Objects for Bridges with Rapid Spanning Tree Protocol   
RFC4319         Definitions of Managed Objects for High Bit-Rate DSL - 2nd generation (HDSL2) and Single-Pair High-Speed Digital Subscriber Line (SHDSL) Lines   
RFC4320         Actions Addressing Identified Issues with the Session Initiation Protocol's (SIP) Non-INVITE Transaction   
RFC4323         Data Over Cable System Interface Specification Quality of Service Management Information Base (DOCSIS-QoS MIB)   
RFC4325         Internet X.509 Public Key Infrastructure Authority Information Access Certificate Revocation List (CRL) Extension   (Obsoleted by: RFC5280)
RFC4326         Unidirectional Lightweight Encapsulation (ULE) for Transmission of IP Datagrams over an MPEG-2 Transport Stream (TS)   
RFC4327         Link Management Protocol (LMP) Management Information Base (MIB)   (Obsoleted by: RFC4631)
RFC4328         Generalized Multi-Protocol Label Switching (GMPLS) Signaling Extensions for G.709 Optical Transport Networks Control   
RFC4331         Quota and Size Properties for Distributed Authoring and Versioning (DAV) Collections   
RFC4334         Certificate Extensions and Attributes Supporting Authentication in Point-to-Point Protocol (PPP) and Wireless Local Area Networks (WLAN)   
RFC4335         The Secure Shell (SSH) Session Channel Break Extension   
RFC4337         MIME Type Registration for MPEG-4   
RFC4338         Transmission of IPv6, IPv4, and Address Resolution Protocol (ARP) Packets over Fibre Channel   
RFC4340         Datagram Congestion Control Protocol (DCCP)   
RFC4341         Profile for Datagram Congestion Control Protocol (DCCP) Congestion Control ID 2: TCP-like Congestion Control   
RFC4342         Profile for Datagram Congestion Control Protocol (DCCP) Congestion Control ID 3: TCP-Friendly Rate Control (TFRC)   
RFC4343         Domain Name System (DNS) Case Insensitivity Clarification   
RFC4344         The Secure Shell (SSH) Transport Layer Encryption Modes   
RFC4345         Improved Arcfour Modes for the Secure Shell (SSH) Transport Layer Protocol   
RFC4346         The Transport Layer Security (TLS) Protocol Version 1.1   (Obsoleted by: RFC5246)
RFC4347         Datagram Transport Layer Security   (Obsoleted by: RFC6347)
RFC4348         Real-Time Transport Protocol (RTP) Payload Format for the Variable-Rate Multimode Wideband (VMR-WB) Audio Codec   
RFC4349         High-Level Data Link Control (HDLC) Frames over Layer 2 Tunneling Protocol, Version 3 (L2TPv3)   
RFC4352         RTP Payload Format for the Extended Adaptive Multi-Rate Wideband (AMR-WB+) Audio Codec   
RFC4355         IANA Registration for Enumservices email, fax, mms, ems, and sms   
RFC4356         Mapping Between the Multimedia Messaging Service (MMS) and Internet Mail   
RFC4359         The Use of RSA/SHA-1 Signatures within Encapsulating Security Payload (ESP) and Authentication Header (AH)   
RFC4360         BGP Extended Communities Attribute   
RFC4361         Node-specific Client Identifiers for Dynamic Host Configuration Protocol Version Four (DHCPv4)   
RFC4362         RObust Header Compression (ROHC): A Link-Layer Assisted Profile for IP/UDP/RTP   
RFC4363         Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering, and Virtual LAN Extensions   
RFC4364         BGP/MPLS IP Virtual Private Networks (VPNs)   
RFC4366         Transport Layer Security (TLS) Extensions   (Obsoleted by: RFC5246, RFC6066)
RFC4368         Multiprotocol Label Switching (MPLS) Label-Controlled Asynchronous Transfer Mode (ATM) and Frame-Relay Management Interface Definition   
RFC4369         Definitions of Managed Objects for Internet Fibre Channel Protocol (iFCP)   (Obsoleted by: RFC6173)
RFC4370         Lightweight Directory Access Protocol (LDAP) Proxied Authorization Control   
RFC4372         Chargeable User Identity   
RFC4379         Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures   
RFC4380         Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)   
RFC4382         MPLS/BGP Layer 3 Virtual Private Network (VPN) Management Information Base   
RFC4383         The Use of Timed Efficient Stream Loss-Tolerant Authentication (TESLA) in the Secure Real-time Transport Protocol (SRTP)   
RFC4385         Pseudowire Emulation Edge-to-Edge (PWE3) Control Word for Use over an MPLS PSN   
RFC4387         Internet X.509 Public Key Infrastructure Operational Protocols: Certificate Store Access via HTTP   
RFC4388         Dynamic Host Configuration Protocol (DHCP) Leasequery   
RFC4390         Dynamic Host Configuration Protocol (DHCP) over InfiniBand   
RFC4391         Transmission of IP over InfiniBand (IPoIB)   
RFC4393         MIME Type Registrations for 3GPP2 Multimedia Files   
RFC4396         RTP Payload Format for 3rd Generation Partnership Project (3GPP) Timed Text   
RFC4398         Storing Certificates in the Domain Name System (DNS)   
RFC4401         A Pseudo-Random Function (PRF) API Extension for the Generic Security Service Application Program Interface (GSS-API)   
RFC4402         A Pseudo-Random Function (PRF) for the Kerberos V Generic Security Service Application Program Interface (GSS-API) Mechanism   
RFC4404         Definitions of Managed Objects for Fibre Channel Over TCP/IP (FCIP)   
RFC4411         Extending the Session Initiation Protocol (SIP) Reason Header for Preemption Events   
RFC4412         Communications Resource Priority for the Session Initiation Protocol (SIP)   
RFC4414         An ENUM Registry Type for the Internet Registry Information Service (IRIS)   
RFC4415         IANA Registration for Enumservice Voice   
RFC4419         Diffie-Hellman Group Exchange for the Secure Shell (SSH) Transport Layer Protocol   
RFC4420         Encoding of Attributes for Multiprotocol Label Switching (MPLS) Label Switched Path (LSP) Establishment Using Resource ReserVation Protocol-Traffic Engineering (RSVP-TE)   (Obsoleted by: RFC5420)
RFC4421         RTP Payload Format for Uncompressed Video: Additional Colour Sampling Modes   
RFC4422         Simple Authentication and Security Layer (SASL)   
RFC4424         Real-Time Transport Protocol (RTP) Payload Format for the Variable-Rate Multimode Wideband (VMR-WB) Extension Audio Codec   
RFC4425         RTP Payload Format for Video Codec 1 (VC-1)   
RFC4426         Generalized Multi-Protocol Label Switching (GMPLS) Recovery Functional Specification   
RFC4429         Optimistic Duplicate Address Detection (DAD) for IPv6   
RFC4430         Kerberized Internet Negotiation of Keys (KINK)   
RFC4432         RSA Key Exchange for the Secure Shell (SSH) Transport Layer Protocol   
RFC4433         Mobile IPv4 Dynamic Home Agent (HA) Assignment   
RFC4434         The AES-XCBC-PRF-128 Algorithm for the Internet Key Exchange Protocol (IKE)   
RFC4436         Detecting Network Attachment in IPv4 (DNAv4)   
RFC4438         Fibre-Channel Name Server MIB   
RFC4439         Fibre Channel Fabric Address Manager MIB   
RFC4442         Bootstrapping Timed Efficient Stream Loss-Tolerant Authentication (TESLA)   
RFC4444         Management Information Base for Intermediate System to Intermediate System (IS-IS)   
RFC4447         Pseudowire Setup and Maintenance Using the Label Distribution Protocol (LDP)   
RFC4448         Encapsulation Methods for Transport of Ethernet over MPLS Networks   
RFC4449         Securing Mobile IPv6 Route Optimization Using a Static Shared Key   
RFC4454         Asynchronous Transfer Mode (ATM) over Layer 2 Tunneling Protocol Version 3 (L2TPv3)   
RFC4455         Definition of Managed Objects for Small Computer System Interface (SCSI) Entities   
RFC4462         Generic Security Service Application Program Interface (GSS-API) Authentication and Key Exchange for the Secure Shell (SSH) Protocol   
RFC4466         Collected Extensions to IMAP4 ABNF   
RFC4467         Internet Message Access Protocol (IMAP) - URLAUTH Extension   
RFC4468         Message Submission BURL Extension   
RFC4469         Internet Message Access Protocol (IMAP) CATENATE Extension   
RFC4470         Minimally Covering NSEC Records and DNSSEC On-line Signing   
RFC4474         Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP)   
RFC4476         Attribute Certificate (AC) Policies Extension   
RFC4479         A Data Model for Presence   
RFC4480         RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF)   
RFC4481         Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Information for Past and Future Time Intervals   
RFC4482         CIPID: Contact Information for the Presence Information Data Format   
RFC4483         A Mechanism for Content Indirection in Session Initiation Protocol (SIP) Messages   
RFC4486         Subcodes for BGP Cease Notification Message   
RFC4488         Suppression of Session Initiation Protocol (SIP) REFER Method Implicit Subscription   
RFC4489         A Method for Generating Link-Scoped IPv6 Multicast Addresses   
RFC4490         Using the GOST 28147-89, GOST R 34.11-94, GOST R 34.10-94, and GOST R 34.10-2001 Algorithms with Cryptographic Message Syntax (CMS)   
RFC4491         Using the GOST R 34.10-94, GOST R 34.10-2001, and GOST R 34.11-94 Algorithms with the Internet X.509 Public Key Infrastructure Certificate and CRL Profile   
RFC4494         The AES-CMAC-96 Algorithm and Its Use with IPsec   
RFC4495         A Resource Reservation Protocol (RSVP) Extension for the Reduction of Bandwidth of a Reservation Flow   
RFC4501         Domain Name System Uniform Resource Identifiers   
RFC4505         Anonymous Simple Authentication and Security Layer (SASL) Mechanism   
RFC4507         Transport Layer Security (TLS) Session Resumption without Server-Side State   (Obsoleted by: RFC5077)
RFC4508         Conveying Feature Tags with the Session Initiation Protocol (SIP) REFER Method   
RFC4509         Use of SHA-256 in DNSSEC Delegation Signer (DS) Resource Records (RRs)   
RFC4510         Lightweight Directory Access Protocol (LDAP): Technical Specification Road Map   
RFC4511         Lightweight Directory Access Protocol (LDAP): The Protocol   
RFC4512         Lightweight Directory Access Protocol (LDAP): Directory Information Models   
RFC4513         Lightweight Directory Access Protocol (LDAP): Authentication Methods and Security Mechanisms   
RFC4514         Lightweight Directory Access Protocol (LDAP): String Representation of Distinguished Names   
RFC4515         Lightweight Directory Access Protocol (LDAP): String Representation of Search Filters   
RFC4516         Lightweight Directory Access Protocol (LDAP): Uniform Resource Locator   
RFC4517         Lightweight Directory Access Protocol (LDAP): Syntaxes and Matching Rules   
RFC4518         Lightweight Directory Access Protocol (LDAP): Internationalized String Preparation   
RFC4519         Lightweight Directory Access Protocol (LDAP): Schema for User Applications   
RFC4522         Lightweight Directory Access Protocol (LDAP): The Binary Encoding Option   
RFC4523         Lightweight Directory Access Protocol (LDAP) Schema Definitions for X.509 Certificates   
RFC4524         COSINE LDAP/X.500 Schema   
RFC4526         Lightweight Directory Access Protocol (LDAP) Absolute True and False Filters   
RFC4527         Lightweight Directory Access Protocol (LDAP) Read Entry Controls   
RFC4528         Lightweight Directory Access Protocol (LDAP) Assertion Control   
RFC4530         Lightweight Directory Access Protocol (LDAP) entryUUID Operational Attribute   
RFC4532         Lightweight Directory Access Protocol (LDAP) "Who am I?" Operation   
RFC4534         Group Security Policy Token v1   
RFC4535         GSAKMP: Group Secure Association Key Management Protocol   
RFC4537         Kerberos Cryptosystem Negotiation Extension   
RFC4538         Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)   
RFC4543         The Use of Galois Message Authentication Code (GMAC) in IPsec ESP and AH   
RFC4544         Definitions of Managed Objects for Internet Small Computer System Interface (iSCSI)   
RFC4545         Definitions of Managed Objects for IP Storage User Identity Authorization   
RFC4546         Radio Frequency (RF) Interface Management Information Base for Data over Cable Service Interface Specifications (DOCSIS) 2.0 Compliant RF Interfaces   
RFC4547         Event Notification Management Information Base for Data over Cable Service Interface Specifications (DOCSIS)-Compliant Cable Modems and Cable Modem Termination Systems   
RFC4548         Internet Code Point (ICP) Assignments for NSAP Addresses   
RFC4550         Internet Email to Support Diverse Service Environments (Lemonade) Profile   (Obsoleted by: RFC5550)
RFC4551         IMAP Extension for Conditional STORE Operation or Quick Flag Changes Resynchronization   
RFC4552         Authentication/Confidentiality for OSPFv3   
RFC4553         Structure-Agnostic Time Division Multiplexing (TDM) over Packet (SAToP)   
RFC4555         IKEv2 Mobility and Multihoming Protocol (MOBIKE)   
RFC4556         Public Key Cryptography for Initial Authentication in Kerberos (PKINIT)   
RFC4557         Online Certificate Status Protocol (OCSP) Support for Public Key Cryptography for Initial Authentication in Kerberos (PKINIT)   
RFC4558         Node-ID Based Resource Reservation Protocol (RSVP) Hello: A Clarification Statement   
RFC4560         Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Operations   
RFC4561         Definition of a Record Route Object (RRO) Node-Id Sub-Object   
RFC4563         The Key ID Information Type for the General Extension Payload in Multimedia Internet KEYing (MIKEY)   
RFC4566         SDP: Session Description Protocol   
RFC4567         Key Management Extensions for Session Description Protocol (SDP) and Real Time Streaming Protocol (RTSP)   
RFC4568         Session Description Protocol (SDP) Security Descriptions for Media Streams   
RFC4570         Session Description Protocol (SDP) Source Filters   
RFC4571         Framing Real-time Transport Protocol (RTP) and RTP Control Protocol (RTCP) Packets over Connection-Oriented Transport   
RFC4572         Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)   
RFC4573         MIME Type Registration for RTP Payload Format for H.224   
RFC4574         The Session Description Protocol (SDP) Label Attribute   
RFC4575         A Session Initiation Protocol (SIP) Event Package for Conference State   
RFC4576         Using a Link State Advertisement (LSA) Options Bit to Prevent Looping in BGP/MPLS IP Virtual Private Networks (VPNs)   
RFC4577         OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs)   
RFC4580         Dynamic Host Configuration Protocol for IPv6 (DHCPv6) Relay Agent Subscriber-ID Option   
RFC4581         Cryptographically Generated Addresses (CGA) Extension Field Format   
RFC4582         The Binary Floor Control Protocol (BFCP)   
RFC4583         Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams   
RFC4585         Extended RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/AVPF)   
RFC4587         RTP Payload Format for H.261 Video Streams   
RFC4588         RTP Retransmission Payload Format   
RFC4589         Location Types Registry   
RFC4590         RADIUS Extension for Digest Authentication   (Obsoleted by: RFC5090)
RFC4591         Frame Relay over Layer 2 Tunneling Protocol Version 3 (L2TPv3)   
RFC4592         The Role of Wildcards in the Domain Name System   
RFC4598         Real-time Transport Protocol (RTP) Payload Format for Enhanced AC-3 (E-AC-3) Audio   
RFC4601         Protocol Independent Multicast - Sparse Mode (PIM-SM): Protocol Specification (Revised)   
RFC4604         Using Internet Group Management Protocol Version 3 (IGMPv3) and Multicast Listener Discovery Protocol Version 2 (MLDv2) for Source-Specific Multicast   
RFC4605         Internet Group Management Protocol (IGMP) / Multicast Listener Discovery (MLD)-Based Multicast Forwarding ("IGMP/MLD Proxying")   
RFC4606         Generalized Multi-Protocol Label Switching (GMPLS) Extensions for Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH) Control   
RFC4607         Source-Specific Multicast for IP   
RFC4610         Anycast-RP Using Protocol Independent Multicast (PIM)   
RFC4615         The Advanced Encryption Standard-Cipher-based Message Authentication Code-Pseudo-Random Function-128 (AES-CMAC-PRF-128) Algorithm for the Internet Key Exchange Protocol (IKE)   
RFC4616         The PLAIN Simple Authentication and Security Layer (SASL) Mechanism   
RFC4618         Encapsulation Methods for Transport of PPP/High-Level Data Link Control (HDLC) over MPLS Networks   
RFC4619         Encapsulation Methods for Transport of Frame Relay over Multiprotocol Label Switching (MPLS) Networks   
RFC4622         Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)   (Obsoleted by: RFC5122)
RFC4623         Pseudowire Emulation Edge-to-Edge (PWE3) Fragmentation and Reassembly   
RFC4625         Fibre Channel Routing Information MIB   
RFC4626         MIB for Fibre Channel's Fabric Shortest Path First (FSPF) Protocol   
RFC4629         RTP Payload Format for ITU-T Rec. H.263 Video   
RFC4630         Update to DirectoryString Processing in the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile   (Obsoleted by: RFC5280)
RFC4631         Link Management Protocol (LMP) Management Information Base (MIB)   
RFC4635         HMAC SHA (Hashed Message Authentication Code, Secure Hash Algorithm) TSIG Algorithm Identifiers   
RFC4636         Foreign Agent Error Extension for Mobile IPv4   
RFC4639         Cable Device Management Information Base for Data-Over-Cable Service Interface Specification (DOCSIS) Compliant Cable Modems and Cable Modem Termination Systems   
RFC4642         Using Transport Layer Security (TLS) with Network News Transfer Protocol (NNTP)   
RFC4643         Network News Transfer Protocol (NNTP) Extension for Authentication   
RFC4644         Network News Transfer Protocol (NNTP) Extension for Streaming Feeds   
RFC4648         The Base16, Base32, and Base64 Data Encodings   
RFC4649         Dynamic Host Configuration Protocol for IPv6 (DHCPv6) Relay Agent Remote-ID Option   
RFC4650         HMAC-Authenticated Diffie-Hellman for Multimedia Internet KEYing (MIKEY)   
RFC4656         A One-way Active Measurement Protocol (OWAMP)   
RFC4659         BGP-MPLS IP Virtual Private Network (VPN) Extension for IPv6 VPN   
RFC4660         Functional Description of Event Notification Filtering   
RFC4661         An Extensible Markup Language (XML)-Based Format for Event Notification Filtering   
RFC4662         A Session Initiation Protocol (SIP) Event Notification Extension for Resource Lists   
RFC4666         Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA)   
RFC4667         Layer 2 Virtual Private Network (L2VPN) Extensions for Layer 2 Tunneling Protocol (L2TP)   
RFC4668         RADIUS Authentication Client MIB for IPv6   
RFC4669         RADIUS Authentication Server MIB for IPv6   
RFC4675         RADIUS Attributes for Virtual LAN and Priority Support   
RFC4676         Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information   (Obsoleted by: RFC4776)
RFC4680         TLS Handshake Message for Supplemental Data   
RFC4681         TLS User Mapping Extension   
RFC4682         Multimedia Terminal Adapter (MTA) Management Information Base for PacketCable- and IPCablecom-Compliant Devices   
RFC4683         Internet X.509 Public Key Infrastructure Subject Identification Method (SIM)   
RFC4684         Constrained Route Distribution for Border Gateway Protocol/MultiProtocol Label Switching (BGP/MPLS) Internet Protocol (IP) Virtual Private Networks (VPNs)   
RFC4685         Atom Threading Extensions   
RFC4694         Number Portability Parameters for the "tel" URI   
RFC4695         RTP Payload Format for MIDI   (Obsoleted by: RFC6295)
RFC4698         IRIS: An Address Registry (areg) Type for the Internet Registry Information Service   
RFC4701         A DNS Resource Record (RR) for Encoding Dynamic Host Configuration Protocol (DHCP) Information (DHCID RR)   
RFC4702         The Dynamic Host Configuration Protocol (DHCP) Client Fully Qualified Domain Name (FQDN) Option   
RFC4703         Resolution of Fully Qualified Domain Name (FQDN) Conflicts among Dynamic Host Configuration Protocol (DHCP) Clients   
RFC4704         The Dynamic Host Configuration Protocol for IPv6 (DHCPv6) Client Fully Qualified Domain Name (FQDN) Option   
RFC4706         Definitions of Managed Objects for Asymmetric Digital Subscriber Line 2 (ADSL2)   
RFC4710         Real-time Application Quality-of-Service Monitoring (RAQMON) Framework   
RFC4711         Real-time Application Quality-of-Service Monitoring (RAQMON) MIB   
RFC4712         Transport Mappings for Real-time Application Quality-of-Service Monitoring (RAQMON) Protocol Data Unit (PDU)   
RFC4717         Encapsulation Methods for Transport of Asynchronous Transfer Mode (ATM) over MPLS Networks   
RFC4719         Transport of Ethernet Frames over Layer 2 Tunneling Protocol Version 3 (L2TPv3)   
RFC4720         Pseudowire Emulation Edge-to-Edge (PWE3) Frame Check Sequence Retention   
RFC4721         Mobile IPv4 Challenge/Response Extensions (Revised)   
RFC4724         Graceful Restart Mechanism for BGP   
RFC4727         Experimental Values In IPv4, IPv6, ICMPv4, ICMPv6, UDP, and TCP Headers   
RFC4730         A Session Initiation Protocol (SIP) Event Package for Key Press Stimulus (KPML)   
RFC4731         IMAP4 Extension to SEARCH Command for Controlling What Kind of Information Is Returned   
RFC4733         RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals   
RFC4734         Definition of Events for Modem, Fax, and Text Telephony Signals   
RFC4735         Example Media Types for Use in Documentation   
RFC4737         Packet Reordering Metrics   
RFC4738         MIKEY-RSA-R: An Additional Mode of Key Distribution in Multimedia Internet KEYing (MIKEY)   
RFC4740         Diameter Session Initiation Protocol (SIP) Application   
RFC4741         NETCONF Configuration Protocol   (Obsoleted by: RFC6241)
RFC4742         Using the NETCONF Configuration Protocol over Secure SHell (SSH)   (Obsoleted by: RFC6242)
RFC4743         Using NETCONF over the Simple Object Access Protocol (SOAP)   
RFC4744         Using the NETCONF Protocol over the Blocks Extensible Exchange Protocol (BEEP)   
RFC4745         Common Policy: A Document Format for Expressing Privacy Preferences   
RFC4747         The Virtual Fabrics MIB   
RFC4749         RTP Payload Format for the G.729.1 Audio Codec   
RFC4750         OSPF Version 2 Management Information Base   
RFC4752         The Kerberos V5 ("GSSAPI") Simple Authentication and Security Layer (SASL) Mechanism   
RFC4754         IKE and IKEv2 Authentication Using the Elliptic Curve Digital Signature Algorithm (ECDSA)   
RFC4755         IP over InfiniBand: Connected Mode   
RFC4756         Forward Error Correction Grouping Semantics in Session Description Protocol   (Obsoleted by: RFC5956)
RFC4759         The ENUM Dip Indicator Parameter for the "tel" URI   
RFC4761         Virtual Private LAN Service (VPLS) Using BGP for Auto-Discovery and Signaling   
RFC4762         Virtual Private LAN Service (VPLS) Using Label Distribution Protocol (LDP) Signaling   
RFC4769         IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling Information   
RFC4770         vCard Extensions for Instant Messaging (IM)   (Obsoleted by: RFC6350)
RFC4771         Integrity Transform Carrying Roll-Over Counter for the Secure Real-time Transport Protocol (SRTP)   
RFC4776         Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information   
RFC4780         Management Information Base for the Session Initiation Protocol (SIP)   
RFC4781         Graceful Restart Mechanism for BGP with MPLS   
RFC4783         GMPLS - Communication of Alarm Information   
RFC4785         Pre-Shared Key (PSK) Ciphersuites with NULL Encryption for Transport Layer Security (TLS)   
RFC4788         Enhancements to RTP Payload Formats for EVRC Family Codecs   
RFC4789         Simple Network Management Protocol (SNMP) over IEEE 802 Networks   
RFC4790         Internet Application Protocol Collation Registry   
RFC4791         Calendaring Extensions to WebDAV (CalDAV)   
RFC4792         Encoding Instructions for the Generic String Encoding Rules (GSER)   
RFC4796         The Session Description Protocol (SDP) Content Attribute   
RFC4798         Connecting IPv6 Islands over IPv4 MPLS Using IPv6 Provider Edge Routers (6PE)   
RFC4801         Definitions of Textual Conventions for Generalized Multiprotocol Label Switching (GMPLS) Management   
RFC4802         Generalized Multiprotocol Label Switching (GMPLS) Traffic Engineering Management Information Base   
RFC4803         Generalized Multiprotocol Label Switching (GMPLS) Label Switching Router (LSR) Management Information Base   
RFC4804         Aggregation of Resource ReSerVation Protocol (RSVP) Reservations over MPLS TE/DS-TE Tunnels   
RFC4805         Definitions of Managed Objects for the DS1, J1, E1, DS2, and E2 Interface Types   
RFC4806         Online Certificate Status Protocol (OCSP) Extensions to IKEv2   
RFC4807         IPsec Security Policy Database Configuration MIB   
RFC4815         RObust Header Compression (ROHC): Corrections and Clarifications to RFC 3095   
RFC4816         Pseudowire Emulation Edge-to-Edge (PWE3) Asynchronous Transfer Mode (ATM) Transparent Cell Transport Service   
RFC4817         Encapsulation of MPLS over Layer 2 Tunneling Protocol Version 3   
RFC4818         RADIUS Delegated-IPv6-Prefix Attribute   
RFC4819         Secure Shell Public Key Subsystem   
RFC4820         Padding Chunk and Parameter for the Stream Control Transmission Protocol (SCTP)   
RFC4821         Packetization Layer Path MTU Discovery   
RFC4822         RIPv2 Cryptographic Authentication   
RFC4825         The Extensible Markup Language (XML) Configuration Access Protocol (XCAP)   
RFC4826         Extensible Markup Language (XML) Formats for Representing Resource Lists   
RFC4827         An Extensible Markup Language (XML) Configuration Access Protocol (XCAP) Usage for Manipulating Presence Document Contents   
RFC4833         Timezone Options for DHCP   
RFC4835         Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)   
RFC4836         Definitions of Managed Objects for IEEE 802.3 Medium Attachment Units (MAUs)   
RFC4837         Managed Objects of Ethernet Passive Optical Networks (EPON)   
RFC4842         Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)   
RFC4848         Domain-Based Application Service Location Using URIs and the Dynamic Delegation Discovery Service (DDDS)   
RFC4849         RADIUS Filter Rule Attribute   
RFC4850         Declarative Public Extension Key for Internet Small Computer Systems Interface (iSCSI) Node Architecture   
RFC4853         Cryptographic Message Syntax (CMS) Multiple Signer Clarification   
RFC4855         Media Type Registration of RTP Payload Formats   
RFC4856         Media Type Registration of Payload Formats in the RTP Profile for Audio and Video Conferences   
RFC4860         Generic Aggregate Resource ReSerVation Protocol (RSVP) Reservations   
RFC4863         Wildcard Pseudowire Type   
RFC4865         SMTP Submission Service Extension for Future Message Release   
RFC4866         Enhanced Route Optimization for Mobile IPv6   
RFC4867         RTP Payload Format and File Storage Format for the Adaptive Multi-Rate (AMR) and Adaptive Multi-Rate Wideband (AMR-WB) Audio Codecs   
RFC4868         Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsec   
RFC4871         DomainKeys Identified Mail (DKIM) Signatures   (Obsoleted by: RFC6376)
RFC4872         RSVP-TE Extensions in Support of End-to-End Generalized Multi-Protocol Label Switching (GMPLS) Recovery   
RFC4873         GMPLS Segment Recovery   
RFC4874         Exclude Routes - Extension to Resource ReserVation Protocol-Traffic Engineering (RSVP-TE)   
RFC4875         Extensions to Resource Reservation Protocol - Traffic Engineering (RSVP-TE) for Point-to-Multipoint TE Label Switched Paths (LSPs)   
RFC4877         Mobile IPv6 Operation with IKEv2 and the Revised IPsec Architecture   
RFC4878         Definitions and Managed Objects for Operations, Administration, and Maintenance (OAM) Functions on Ethernet-Like Interfaces   
RFC4880         OpenPGP Message Format   
RFC4884         Extended ICMP to Support Multi-Part Messages   
RFC4893         BGP Support for Four-octet AS Number Space   
RFC4895         Authenticated Chunks for the Stream Control Transmission Protocol (SCTP)   
RFC4896         Signaling Compression (SigComp) Corrections and Clarifications   
RFC4898         TCP Extended Statistics MIB   
RFC4901         Protocol Extensions for Header Compression over MPLS   
RFC4904         Representing Trunk Groups in tel/sip Uniform Resource Identifiers (URIs)   
RFC4915         Multi-Topology (MT) Routing in OSPF   
RFC4916         Connected Identity in the Session Initiation Protocol (SIP)   
RFC4917         Mobile IPv4 Message String Extension   
RFC4918         HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)   
RFC4920         Crankback Signaling Extensions for MPLS and GMPLS RSVP-TE   
RFC4935         Fibre Channel Fabric Configuration Server MIB   
RFC4936         Fibre Channel Zone Server MIB   
RFC4939         Definitions of Managed Objects for iSNS (Internet Storage Name Service)   
RFC4944         Transmission of IPv6 Packets over IEEE 802.15.4 Networks   
RFC4945         The Internet IP Security PKI Profile of IKEv1/ISAKMP, IKEv2, and PKIX   
RFC4950         ICMP Extensions for Multiprotocol Label Switching   
RFC4951         Fail Over Extensions for Layer 2 Tunneling Protocol (L2TP) "failover"   
RFC4954         SMTP Service Extension for Authentication   
RFC4955         DNS Security (DNSSEC) Experiments   
RFC4959         IMAP Extension for Simple Authentication and Security Layer (SASL) Initial Client Response   
RFC4960         Stream Control Transmission Protocol   
RFC4967         Dial String Parameter for the Session Initiation Protocol Uniform Resource Identifier   
RFC4969         IANA Registration for vCard Enumservice   
RFC4970         Extensions to OSPF for Advertising Optional Router Capabilities   
RFC4971         Intermediate System to Intermediate System (IS-IS) Extensions for Advertising Router Information   
RFC4972         Routing Extensions for Discovery of Multiprotocol (MPLS) Label Switch Router (LSR) Traffic Engineering (TE) Mesh Membership   
RFC4974         Generalized MPLS (GMPLS) RSVP-TE Signaling Extensions in Support of Calls   
RFC4975         The Message Session Relay Protocol (MSRP)   
RFC4976         Relay Extensions for the Message Sessions Relay Protocol (MSRP)   
RFC4978         The IMAP COMPRESS Extension   
RFC4979         IANA Registration for Enumservice 'XMPP'   
RFC4982         Support for Multiple Hash Algorithms in Cryptographically Generated Addresses (CGAs)   
RFC4983         Fibre Channel Registered State Change Notification (RSCN) MIB   
RFC4985         Internet X.509 Public Key Infrastructure Subject Alternative Name for Expression of Service Name   
RFC4991         A Common Schema for Internet Registry Information Service Transfer Protocols   
RFC4992         XML Pipelining with Chunks for the Internet Registry Information Service   
RFC4993         A Lightweight UDP Transfer Protocol for the Internet Registry Information Service   
RFC4994         DHCPv6 Relay Agent Echo Request Option   
RFC4995         The RObust Header Compression (ROHC) Framework   (Obsoleted by: RFC5795)
RFC4996         RObust Header Compression (ROHC): A Profile for TCP/IP (ROHC-TCP)   
RFC4997         Formal Notation for RObust Header Compression (ROHC-FN)   
RFC4998         Evidence Record Syntax (ERS)   
RFC5001         DNS Name Server Identifier (NSID) Option   
RFC5003         Attachment Individual Identifier (AII) Types for Aggregation   
RFC5004         Avoid BGP Best Path Transitions from One External to Another   
RFC5005         Feed Paging and Archiving   
RFC5007         DHCPv6 Leasequery   
RFC5010         The Dynamic Host Configuration Protocol Version 4 (DHCPv4) Relay Agent Flags Suboption   
RFC5011         Automated Updates of DNS Security (DNSSEC) Trust Anchors   
RFC5015         Bidirectional Protocol Independent Multicast (BIDIR-PIM)   
RFC5017         MIB Textual Conventions for Uniform Resource Identifiers (URIs)   
RFC5018         Connection Establishment in the Binary Floor Control Protocol (BFCP)   
RFC5019         The Lightweight Online Certificate Status Protocol (OCSP) Profile for High-Volume Environments   
RFC5020         The Lightweight Directory Access Protocol (LDAP) entryDN Operational Attribute   
RFC5021         Extended Kerberos Version 5 Key Distribution Center (KDC) Exchanges over TCP   
RFC5023         The Atom Publishing Protocol   
RFC5025         Presence Authorization Rules   
RFC5026         Mobile IPv6 Bootstrapping in Split Scenario   
RFC5027         Security Preconditions for Session Description Protocol (SDP) Media Streams   
RFC5028         A Telephone Number Mapping (ENUM) Service Registration for Instant Messaging (IM) Services   
RFC5029         Definition of an IS-IS Link Attribute Sub-TLV   
RFC5031         A Uniform Resource Name (URN) for Emergency and Other Well-Known Services   
RFC5032         WITHIN Search Extension to the IMAP Protocol   
RFC5034         The Post Office Protocol (POP3) Simple Authentication and Security Layer (SASL) Authentication Mechanism   
RFC5035         Enhanced Security Services (ESS) Update: Adding CertID Algorithm Agility   
RFC5040         A Remote Direct Memory Access Protocol Specification   
RFC5041         Direct Data Placement over Reliable Transports   
RFC5042         Direct Data Placement Protocol (DDP) / Remote Direct Memory Access Protocol (RDMAP) Security   
RFC5043         Stream Control Transmission Protocol (SCTP) Direct Data Placement (DDP) Adaptation   
RFC5044         Marker PDU Aligned Framing for TCP Specification   
RFC5046         Internet Small Computer System Interface (iSCSI) Extensions for Remote Direct Memory Access (RDMA)   
RFC5048         Internet Small Computer System Interface (iSCSI) Corrections and Clarifications   
RFC5049         Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP)   
RFC5051         i;unicode-casemap - Simple Unicode Collation Algorithm   
RFC5052         Forward Error Correction (FEC) Building Block   
RFC5053         Raptor Forward Error Correction Scheme for Object Delivery   
RFC5055         Server-Based Certificate Validation Protocol (SCVP)   
RFC5056         On the Use of Channel Bindings to Secure Channels   
RFC5059         Bootstrap Router (BSR) Mechanism for Protocol Independent Multicast (PIM)   
RFC5060         Protocol Independent Multicast MIB   
RFC5061         Stream Control Transmission Protocol (SCTP) Dynamic Address Reconfiguration   
RFC5063         Extensions to GMPLS Resource Reservation Protocol (RSVP) Graceful Restart   
RFC5064         The Archived-At Message Header Field   
RFC5066         Ethernet in the First Mile Copper (EFMCu) Interfaces MIB   
RFC5070         The Incident Object Description Exchange Format   
RFC5073         IGP Routing Protocol Extensions for Discovery of Traffic Engineering Node Capabilities   
RFC5075         IPv6 Router Advertisement Flags Option   (Obsoleted by: RFC5175)
RFC5076         ENUM Validation Information Mapping for the Extensible Provisioning Protocol   
RFC5077         Transport Layer Security (TLS) Session Resumption without Server-Side State   
RFC5079         Rejecting Anonymous Requests in the Session Initiation Protocol (SIP)   
RFC5080         Common Remote Authentication Dial In User Service (RADIUS) Implementation Issues and Suggested Fixes   
RFC5082         The Generalized TTL Security Mechanism (GTSM)   
RFC5083         Cryptographic Message Syntax (CMS) Authenticated-Enveloped-Data Content Type   
RFC5084         Using AES-CCM and AES-GCM Authenticated Encryption in the Cryptographic Message Syntax (CMS)   
RFC5085         Pseudowire Virtual Circuit Connectivity Verification (VCCV): A Control Channel for Pseudowires   
RFC5088         OSPF Protocol Extensions for Path Computation Element (PCE) Discovery   
RFC5089         IS-IS Protocol Extensions for Path Computation Element (PCE) Discovery   
RFC5090         RADIUS Extension for Digest Authentication   
RFC5092         IMAP URL Scheme   
RFC5094         Mobile IPv6 Vendor Specific Option   
RFC5095         Deprecation of Type 0 Routing Headers in IPv6   
RFC5096         Mobile IPv6 Experimental Messages   
RFC5097         MIB for the UDP-Lite protocol   
RFC5098         Signaling MIB for PacketCable and IPCablecom Multimedia Terminal Adapters (MTAs)   
RFC5101         Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of IP Traffic Flow Information   
RFC5102         Information Model for IP Flow Information Export   
RFC5103         Bidirectional Flow Export Using IP Flow Information Export (IPFIX)   
RFC5104         Codec Control Messages in the RTP Audio-Visual Profile with Feedback (AVPF)   
RFC5105         ENUM Validation Token Format Definition   
RFC5107         DHCP Server Identifier Override Suboption   
RFC5109         RTP Payload Format for Generic Forward Error Correction   
RFC5112         The Presence-Specific Static Dictionary for Signaling Compression (Sigcomp)   
RFC5115         Telephony Routing over IP (TRIP) Attribute for Resource Priority   
RFC5116         An Interface and Algorithms for Authenticated Encryption   
RFC5120         M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)   
RFC5121         Transmission of IPv6 via the IPv6 Convergence Sublayer over IEEE 802.16 Networks   
RFC5122         Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)   
RFC5124         Extended Secure RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/SAVPF)   
RFC5129         Explicit Congestion Marking in MPLS   
RFC5130         A Policy Control Mechanism in IS-IS Using Administrative Tags   
RFC5131         A MIB Textual Convention for Language Tags   
RFC5132         IP Multicast MIB   
RFC5133         Terminal Endpoint Identifier (TEI) Query Request Number Change   
RFC5139         Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO)   
RFC5140         A Telephony Gateway REgistration Protocol (TGREP)   
RFC5142         Mobility Header Home Agent Switch Message   
RFC5144         A Domain Availability Check (DCHK) Registry Type for the Internet Registry Information Service (IRIS)   
RFC5147         URI Fragment Identifiers for the text/plain Media Type   
RFC5150         Label Switched Path Stitching with Generalized Multiprotocol Label Switching Traffic Engineering (GMPLS TE)   
RFC5151         Inter-Domain MPLS and GMPLS Traffic Engineering -- Resource Reservation Protocol-Traffic Engineering (RSVP-TE) Extensions   
RFC5152         A Per-Domain Path Computation Method for Establishing Inter-Domain Traffic Engineering (TE) Label Switched Paths (LSPs)   
RFC5155         DNS Security (DNSSEC) Hashed Authenticated Denial of Existence   
RFC5161         The IMAP ENABLE Extension   
RFC5162         IMAP4 Extensions for Quick Mailbox Resynchronization   
RFC5163         Extension Formats for Unidirectional Lightweight Encapsulation (ULE) and the Generic Stream Encapsulation (GSE)   
RFC5170         Low Density Parity Check (LDPC) Staircase and Triangle Forward Error Correction (FEC) Schemes   
RFC5172         Negotiation for IPv6 Datagram Compression Using IPv6 Control Protocol   
RFC5173         Sieve Email Filtering: Body Extension   
RFC5175         IPv6 Router Advertisement Flags Option   
RFC5177         Network Mobility (NEMO) Extensions for Mobile IPv4   
RFC5178         Generic Security Service Application Program Interface (GSS-API) Internationalization and Domain-Based Service Names and Name Type   
RFC5179         Generic Security Service Application Program Interface (GSS-API) Domain-Based Service Names Mapping for the Kerberos V GSS Mechanism   
RFC5182         IMAP Extension for Referencing the Last SEARCH Result   
RFC5183         Sieve Email Filtering: Environment Extension   
RFC5185         OSPF Multi-Area Adjacency   
RFC5187         OSPFv3 Graceful Restart   
RFC5188         RTP Payload Format for the Enhanced Variable Rate Wideband Codec (EVRC-WB) and the Media Subtype Updates for EVRC-B Codec   
RFC5189         Middlebox Communication (MIDCOM) Protocol Semantics   
RFC5190         Definitions of Managed Objects for Middlebox Communication   
RFC5191         Protocol for Carrying Authentication for Network Access (PANA)   
RFC5192         DHCP Options for Protocol for Carrying Authentication for Network Access (PANA) Authentication Agents   
RFC5195         BGP-Based Auto-Discovery for Layer-1 VPNs   
RFC5196         Session Initiation Protocol (SIP) User Agent Capability Extension to Presence Information Data Format (PIDF)   
RFC5198         Unicode Format for Network Interchange   
RFC5213         Proxy Mobile IPv6   
RFC5215         RTP Payload Format for Vorbis Encoded Audio   
RFC5216         The EAP-TLS Authentication Protocol   
RFC5219         A More Loss-Tolerant RTP Payload Format for MP3 Audio   
RFC5222         LoST: A Location-to-Service Translation Protocol   
RFC5223         Discovering Location-to-Service Translation (LoST) Servers Using the Dynamic Host Configuration Protocol (DHCP)   
RFC5225         RObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, IP, ESP and UDP-Lite   
RFC5227         IPv4 Address Conflict Detection   
RFC5228         Sieve: An Email Filtering Language   
RFC5229         Sieve Email Filtering: Variables Extension   
RFC5230         Sieve Email Filtering: Vacation Extension   
RFC5231         Sieve Email Filtering: Relational Extension   
RFC5232         Sieve Email Filtering: Imap4flags Extension   
RFC5233         Sieve Email Filtering: Subaddress Extension   
RFC5235         Sieve Email Filtering: Spamtest and Virustest Extensions   
RFC5238         Datagram Transport Layer Security (DTLS) over the Datagram Congestion Control Protocol (DCCP)   
RFC5239         A Framework for Centralized Conferencing   
RFC5240         Protocol Independent Multicast (PIM) Bootstrap Router MIB   
RFC5244         Definition of Events for Channel-Oriented Telephony Signalling   
RFC5245         Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols   
RFC5246         The Transport Layer Security (TLS) Protocol Version 1.2   
RFC5247         Extensible Authentication Protocol (EAP) Key Management Framework   
RFC5250         The OSPF Opaque LSA Option   
RFC5251         Layer 1 VPN Basic Mode   
RFC5252         OSPF-Based Layer 1 VPN Auto-Discovery   
RFC5255         Internet Message Access Protocol Internationalization   
RFC5256         Internet Message Access Protocol - SORT and THREAD Extensions   
RFC5258         Internet Message Access Protocol version 4 - LIST Command Extensions   
RFC5259         Internet Message Access Protocol - CONVERT Extension   
RFC5260         Sieve Email Filtering: Date and Index Extensions   
RFC5261         An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors   
RFC5262         Presence Information Data Format (PIDF) Extension for Partial Presence   
RFC5263         Session Initiation Protocol (SIP) Extension for Partial Notification of Presence Information   
RFC5264         Publication of Partial Presence Information   
RFC5265         Mobile IPv4 Traversal across IPsec-Based VPN Gateways   
RFC5267         Contexts for IMAP4   
RFC5268         Mobile IPv6 Fast Handovers   (Obsoleted by: RFC5568)
RFC5269         Distributing a Symmetric Fast Mobile IPv6 (FMIPv6) Handover Key Using SEcure Neighbor Discovery (SEND)   
RFC5272         Certificate Management over CMS (CMC)   
RFC5273         Certificate Management over CMS (CMC): Transport Protocols   
RFC5274         Certificate Management Messages over CMS (CMC): Compliance Requirements   
RFC5275         CMS Symmetric Key Management and Distribution   
RFC5276         Using the Server-Based Certificate Validation Protocol (SCVP) to Convey Long-Term Evidence Records   
RFC5277         NETCONF Event Notifications   
RFC5278         IANA Registration of Enumservices for Voice and Video Messaging   
RFC5280         Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile   
RFC5282         Using Authenticated Encryption Algorithms with the Encrypted Payload of the Internet Key Exchange version 2 (IKEv2) Protocol   
RFC5283         LDP Extension for Inter-Area Label Switched Paths (LSPs)   
RFC5284         User-Defined Errors for RSVP   
RFC5285         A General Mechanism for RTP Header Extensions   
RFC5286         Basic Specification for IP Fast Reroute: Loop-Free Alternates   
RFC5287         Control Protocol Extensions for the Setup of Time-Division Multiplexing (TDM) Pseudowires in MPLS Networks   
RFC5288         AES Galois Counter Mode (GCM) Cipher Suites for TLS   
RFC5291         Outbound Route Filtering Capability for BGP-4   
RFC5292         Address-Prefix-Based Outbound Route Filter for BGP-4   
RFC5293         Sieve Email Filtering: Editheader Extension   
RFC5295         Specification for the Derivation of Root Keys from an Extended Master Session Key (EMSK)   
RFC5296         EAP Extensions for EAP Re-authentication Protocol (ERP)   
RFC5301         Dynamic Hostname Exchange Mechanism for IS-IS   
RFC5302         Domain-Wide Prefix Distribution with Two-Level IS-IS   
RFC5303         Three-Way Handshake for IS-IS Point-to-Point Adjacencies   
RFC5304         IS-IS Cryptographic Authentication   
RFC5305         IS-IS Extensions for Traffic Engineering   
RFC5306         Restart Signaling for IS-IS   
RFC5307         IS-IS Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)   
RFC5308         Routing IPv6 with IS-IS   
RFC5310         IS-IS Generic Cryptographic Authentication   
RFC5311         Simplified Extension of Link State PDU (LSP) Space for IS-IS   
RFC5316         ISIS Extensions in Support of Inter-Autonomous System (AS) MPLS and GMPLS Traffic Engineering   
RFC5323         Web Distributed Authoring and Versioning (WebDAV) SEARCH   
RFC5324         MIB for Fibre-Channel Security Protocols (FC-SP)   
RFC5329         Traffic Engineering Extensions to OSPF Version 3   
RFC5330         A Link-Type sub-TLV to Convey the Number of Traffic Engineering Label Switched Paths Signalled with Zero Reserved Bandwidth across a Link   
RFC5331         MPLS Upstream Label Assignment and Context-Specific Label Space   
RFC5332         MPLS Multicast Encapsulations   
RFC5333         IANA Registration of Enumservices for Internet Calendaring   
RFC5334         Ogg Media Types   
RFC5340         OSPF for IPv6   
RFC5341         The Internet Assigned Number Authority (IANA) tel Uniform Resource Identifier (URI) Parameter Registry   
RFC5348         TCP Friendly Rate Control (TFRC): Protocol Specification   
RFC5350         IANA Considerations for the IPv4 and IPv6 Router Alert Options   
RFC5357         A Two-Way Active Measurement Protocol (TWAMP)   
RFC5360         A Framework for Consent-Based Communications in the Session Initiation Protocol (SIP)   
RFC5361         A Document Format for Requesting Consent   
RFC5362         The Session Initiation Protocol (SIP) Pending Additions Event Package   
RFC5363         Framework and Security Considerations for Session Initiation Protocol (SIP) URI-List Services   
RFC5364         Extensible Markup Language (XML) Format Extension for Representing Copy Control Attributes in Resource Lists   
RFC5365         Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)   
RFC5366         Conference Establishment Using Request-Contained Lists in the Session Initiation Protocol (SIP)   
RFC5367         Subscriptions to Request-Contained Resource Lists in the Session Initiation Protocol (SIP)   
RFC5368         Referring to Multiple Resources in the Session Initiation Protocol (SIP)   
RFC5370         The Session Initiation Protocol (SIP) Conference Bridge Transcoding Model   
RFC5371         RTP Payload Format for JPEG 2000 Video Streams   
RFC5372         Payload Format for JPEG 2000 Video: Extensions for Scalability and Main Header Recovery   
RFC5373         Requesting Answering Modes for the Session Initiation Protocol (SIP)   
RFC5374         Multicast Extensions to the Security Architecture for the Internet Protocol   
RFC5380         Hierarchical Mobile IPv6 (HMIPv6) Mobility Management   
RFC5384         The Protocol Independent Multicast (PIM) Join Attribute Format   
RFC5386         Better-Than-Nothing Security: An Unauthenticated Mode of IPsec   
RFC5388         Information Model and XML Data Model for Traceroute Measurements   
RFC5389         Session Traversal Utilities for NAT (STUN)   
RFC5391         RTP Payload Format for ITU-T Recommendation G.711.1   
RFC5392         OSPF Extensions in Support of Inter-Autonomous System (AS) MPLS and GMPLS Traffic Engineering   
RFC5393         Addressing an Amplification Vulnerability in Session Initiation Protocol (SIP) Forking Proxies   
RFC5396         Textual Representation of Autonomous System (AS) Numbers   
RFC5397         WebDAV Current Principal Extension   
RFC5401         Multicast Negative-Acknowledgment (NACK) Building Blocks   
RFC5403         RPCSEC_GSS Version 2   
RFC5404         RTP Payload Format for G.719   
RFC5415         Control And Provisioning of Wireless Access Points (CAPWAP) Protocol Specification   
RFC5416         Control and Provisioning of Wireless Access Points (CAPWAP) Protocol Binding for IEEE 802.11   
RFC5417         Control And Provisioning of Wireless Access Points (CAPWAP) Access Controller DHCP Option   
RFC5420         Encoding of Attributes for MPLS LSP Establishment Using Resource Reservation Protocol Traffic Engineering (RSVP-TE)   
RFC5423         Internet Message Store Events   
RFC5424         The Syslog Protocol   
RFC5425         Transport Layer Security (TLS) Transport Mapping for Syslog   
RFC5426         Transmission of Syslog Messages over UDP   
RFC5427         Textual Conventions for Syslog Management   
RFC5428         Management Event Management Information Base (MIB) for PacketCable- and IPCablecom-Compliant Devices   
RFC5429         Sieve Email Filtering: Reject and Extended Reject Extensions   
RFC5432         Quality of Service (QoS) Mechanism Selection in the Session Description Protocol (SDP)   
RFC5433         Extensible Authentication Protocol - Generalized Pre-Shared Key (EAP-GPSK) Method   
RFC5435         Sieve Email Filtering: Extension for Notifications   
RFC5436         Sieve Notification Mechanism: mailto   
RFC5437         Sieve Notification Mechanism: Extensible Messaging and Presence Protocol (XMPP)   
RFC5438         Instant Message Disposition Notification (IMDN)   
RFC5440         Path Computation Element (PCE) Communication Protocol (PCEP)   
RFC5441         A Backward-Recursive PCE-Based Computation (BRPC) Procedure to Compute Shortest Constrained Inter-Domain Traffic Engineering Label Switched Paths   
RFC5444         Generalized Mobile Ad Hoc Network (MANET) Packet/Message Format   
RFC5445         Basic Forward Error Correction (FEC) Schemes   
RFC5447         Diameter Mobile IPv6: Support for Network Access Server to Diameter Server Interaction   
RFC5450         Transmission Time Offsets in RTP Streams   
RFC5451         Message Header Field for Indicating Message Authentication Status   
RFC5452         Measures for Making DNS More Resilient against Forged Answers   
RFC5453         Reserved IPv6 Interface Identifiers   
RFC5454         Dual-Stack Mobile IPv4   
RFC5455         Diffserv-Aware Class-Type Object for the Path Computation Element Communication Protocol   
RFC5459         G.729.1 RTP Payload Format Update: Discontinuous Transmission (DTX) Support   
RFC5460         DHCPv6 Bulk Leasequery   
RFC5462         Multiprotocol Label Switching (MPLS) Label Stack Entry: "EXP" Field Renamed to "Traffic Class" Field   
RFC5463         Sieve Email Filtering:  Ihave Extension   
RFC5464         The IMAP METADATA Extension   
RFC5465         The IMAP NOTIFY Extension   
RFC5466         IMAP4 Extension for Named Searches (Filters)   
RFC5475         Sampling and Filtering Techniques for IP Packet Selection   
RFC5476         Packet Sampling (PSAMP) Protocol Specifications   
RFC5477         Information Model for Packet Sampling Exports   
RFC5478         IANA Registration of New Session Initiation Protocol (SIP) Resource-Priority Namespaces   
RFC5480         Elliptic Curve Cryptography Subject Public Key Information   
RFC5482         TCP User Timeout Option   
RFC5484         Associating Time-Codes with RTP Streams   
RFC5487         Pre-Shared Key Cipher Suites for TLS with SHA-256/384 and AES Galois Counter Mode   
RFC5488         Network Mobility (NEMO) Management Information Base   
RFC5490         The Sieve Mail-Filtering Language -- Extensions for Checking Mailbox Status and Accessing Mailbox Metadata   
RFC5491         GEOPRIV Presence Information Data Format Location Object (PIDF-LO) Usage Clarification, Considerations, and Recommendations   
RFC5494         IANA Allocation Guidelines for the Address Resolution Protocol (ARP)   
RFC5496         The Reverse Path Forwarding (RPF) Vector TLV   
RFC5497         Representing Multi-Value Time in Mobile Ad Hoc Networks (MANETs)   
RFC5498         IANA Allocations for Mobile Ad Hoc Network (MANET) Protocols   
RFC5506         Support for Reduced-Size Real-Time Transport Control Protocol (RTCP): Opportunities and Consequences   
RFC5509         Internet Assigned Numbers Authority (IANA) Registration of Instant Messaging and Presence DNS SRV RRs for the Session Initiation Protocol (SIP)   
RFC5510         Reed-Solomon Forward Error Correction (FEC) Schemes   
RFC5511         Routing Backus-Naur Form (RBNF): A Syntax Used to Form Encoding Rules in Various Routing Protocol Specifications   
RFC5512         The BGP Encapsulation Subsequent Address Family Identifier (SAFI) and the BGP Tunnel Encapsulation Attribute   
RFC5518         Vouch By Reference   
RFC5519         Multicast Group Membership Discovery MIB   
RFC5520         Preserving Topology Confidentiality in Inter-Domain Path Computation Using a Path-Key-Based Mechanism   
RFC5521         Extensions to the Path Computation Element Communication Protocol (PCEP) for Route Exclusions   
RFC5524         Extended URLFETCH for Binary and Converted Parts   
RFC5529         Modes of Operation for Camellia for Use with IPsec   
RFC5530         IMAP Response Codes   
RFC5533         Shim6: Level 3 Multihoming Shim Protocol for IPv6   
RFC5534         Failure Detection and Locator Pair Exploration Protocol for IPv6 Multihoming   
RFC5535         Hash-Based Addresses (HBA)   
RFC5536         Netnews Article Format   
RFC5537         Netnews Architecture and Protocols   
RFC5538         The 'news' and 'nntp' URI Schemes   
RFC5539         NETCONF over Transport Layer Security (TLS)   
RFC5541         Encoding of Objective Functions in the Path Computation Element Communication Protocol (PCEP)   
RFC5542         Definitions of Textual Conventions for Pseudowire (PW) Management   
RFC5543         BGP Traffic Engineering Attribute   
RFC5545         Internet Calendaring and Scheduling Core Object Specification (iCalendar)   
RFC5546         iCalendar Transport-Independent Interoperability Protocol (iTIP)   
RFC5547         A Session Description Protocol (SDP) Offer/Answer Mechanism to Enable File Transfer   
RFC5549         Advertising IPv4 Network Layer Reachability Information with an IPv6 Next Hop   
RFC5550         The Internet Email to Support Diverse Service Environments (Lemonade) Profile   
RFC5552         SIP Interface to VoiceXML Media Services   
RFC5553         Resource Reservation Protocol (RSVP) Extensions for Path Key Support   
RFC5554         Clarifications and Extensions to the Generic Security Service Application Program Interface (GSS-API) for the Use of Channel Bindings   
RFC5555         Mobile IPv6 Support for Dual Stack Hosts and Routers   
RFC5557         Path Computation Element Communication Protocol (PCEP) Requirements and Protocol Extensions in Support of Global Concurrent Optimization   
RFC5560         A One-Way Packet Duplication Metric   
RFC5561         LDP Capabilities   
RFC5565         Softwire Mesh Framework   
RFC5566         BGP IPsec Tunnel Encapsulation Attribute   
RFC5568         Mobile IPv6 Fast Handovers   
RFC5571         Softwire Hub and Spoke Deployment Framework with Layer Two Tunneling Protocol Version 2 (L2TPv2)   
RFC5574         RTP Payload Format for the Speex Codec   
RFC5575         Dissemination of Flow Specification Rules   
RFC5576         Source-Specific Media Attributes in the Session Description Protocol (SDP)   
RFC5577         RTP Payload Format for ITU-T Recommendation G.722.1   
RFC5580         Carrying Location Objects in RADIUS and Diameter   
RFC5583         Signaling Media Decoding Dependency in the Session Description Protocol (SDP)   
RFC5584         RTP Payload Format for the Adaptive TRansform Acoustic Coding (ATRAC) Family   
RFC5586         MPLS Generic Associated Channel   
RFC5587         Extended Generic Security Service Mechanism Inquiry APIs   
RFC5588         Generic Security Service Application Program Interface (GSS-API) Extension for Storing Delegated Credentials   
RFC5592         Secure Shell Transport Model for the Simple Network Management Protocol (SNMP)   
RFC5593         Internet Message Access Protocol (IMAP) - URL Access Identifier Extension   
RFC5595         The Datagram Congestion Control Protocol (DCCP) Service Codes   
RFC5596         Datagram Congestion Control Protocol (DCCP) Simultaneous-Open Technique to Facilitate NAT/Middlebox Traversal   
RFC5601         Pseudowire (PW) Management Information Base (MIB)   
RFC5602         Pseudowire (PW) over MPLS PSN Management Information Base (MIB)   
RFC5603         Ethernet Pseudowire (PW) Management Information Base (MIB)   
RFC5604         Managed Objects for Time Division Multiplexing (TDM) over Packet Switched Networks (PSNs)   
RFC5605         Managed Objects for ATM over Packet Switched Networks (PSNs)   
RFC5607         Remote Authentication Dial-In User Service (RADIUS) Authorization for Network Access Server (NAS) Management   
RFC5608         Remote Authentication Dial-In User Service (RADIUS) Usage for Simple Network Management Protocol (SNMP) Transport Models   
RFC5610         Exporting Type Information for IP Flow Information Export (IPFIX) Information Elements   
RFC5611         Layer Two Tunneling Protocol version 3 - Setup of Time-Division Multiplexing (TDM) Pseudowires   
RFC5613         OSPF Link-Local Signaling   
RFC5617         DomainKeys Identified Mail (DKIM) Author Domain Signing Practices (ADSP)   
RFC5618         Mixed Security Mode for the Two-Way Active Measurement Protocol (TWAMP)   
RFC5619         Softwire Security Analysis and Requirements   
RFC5621         Message Body Handling in the Session Initiation Protocol (SIP)   
RFC5624         Quality of Service Parameters for Usage with Diameter   
RFC5626         Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)   
RFC5627         Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP)   
RFC5628         Registration Event Package Extension for Session Initiation Protocol (SIP) Globally Routable User Agent URIs (GRUUs)   
RFC5629         A Framework for Application Interaction in the Session Initiation Protocol (SIP)   
RFC5630         The Use of the SIPS URI Scheme in the Session Initiation Protocol (SIP)   
RFC5640         Load-Balancing for Mesh Softwires   
RFC5641         Layer 2 Tunneling Protocol Version 3 (L2TPv3) Extended Circuit Status Values   
RFC5642         Dynamic Hostname Exchange Mechanism for OSPF   
RFC5643         Management Information Base for OSPFv3   
RFC5644         IP Performance Metrics (IPPM): Spatial and Multicast   
RFC5648         Multiple Care-of Addresses Registration   
RFC5650         Definitions of Managed Objects for Very High Speed Digital Subscriber Line 2 (VDSL2)   
RFC5651         Layered Coding Transport (LCT) Building Block   
RFC5653         Generic Security Service API Version 2: Java Bindings Update   
RFC5654         Requirements of an MPLS Transport Profile   
RFC5655         Specification of the IP Flow Information Export (IPFIX) File Format   
RFC5656         Elliptic Curve Algorithm Integration in the Secure Shell Transport Layer   
RFC5658         Addressing Record-Route Issues in the Session Initiation Protocol (SIP)   
RFC5660         IPsec Channels: Connection Latching   
RFC5661         Network File System (NFS) Version 4 Minor Version 1 Protocol   
RFC5662         Network File System (NFS) Version 4 Minor Version 1 External Data Representation Standard (XDR) Description   
RFC5663         Parallel NFS (pNFS) Block/Volume Layout   
RFC5664         Object-Based Parallel NFS (pNFS) Operations   
RFC5665         IANA Considerations for Remote Procedure Call (RPC) Network Identifiers and Universal Address Formats   
RFC5666         Remote Direct Memory Access Transport for Remote Procedure Call   
RFC5667         Network File System (NFS) Direct Data Placement   
RFC5668         4-Octet AS Specific BGP Extended Community   
RFC5669         The SEED Cipher Algorithm and Its Use with the Secure Real-Time Transport Protocol (SRTP)   
RFC5670         Metering and Marking Behaviour of PCN-Nodes   
RFC5672         RFC 4871 DomainKeys Identified Mail (DKIM) Signatures -- Update   (Obsoleted by: RFC6376)
RFC5674         Alarms in Syslog   
RFC5675         Mapping Simple Network Management Protocol (SNMP) Notifications to SYSLOG Messages   
RFC5676         Definitions of Managed Objects for Mapping SYSLOG Messages to Simple Network Management Protocol (SNMP) Notifications   
RFC5677         IEEE 802.21 Mobility Services Framework Design (MSFD)   
RFC5678         Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Options for IEEE 802.21 Mobility Services (MoS) Discovery   
RFC5679         Locating IEEE 802.21 Mobility Services Using DNS   
RFC5682         Forward RTO-Recovery (F-RTO): An Algorithm for Detecting Spurious Retransmission Timeouts with TCP   
RFC5685         Redirect Mechanism for the Internet Key Exchange Protocol Version 2 (IKEv2)   
RFC5686         RTP Payload Format for mU-law EMbedded Codec for Low-delay IP Communication (UEMCLIP) Speech Codec   
RFC5688         A Session Initiation Protocol (SIP) Media Feature Tag for MIME Application Subtypes   
RFC5689         Extended MKCOL for Web Distributed Authoring and Versioning (WebDAV)   
RFC5691         RTP Payload Format for Elementary Streams with MPEG Surround Multi-Channel Audio   
RFC5692         Transmission of IP over Ethernet over IEEE 802.16 Networks   
RFC5696         Baseline Encoding and Transport of Pre-Congestion Information   
RFC5698         Data Structure for the Security Suitability of Cryptographic Algorithms (DSSC)   
RFC5701         IPv6 Address Specific BGP Extended Community Attribute   
RFC5702         Use of SHA-2 Algorithms with RSA in DNSKEY and RRSIG Resource Records for DNSSEC   
RFC5703         Sieve Email Filtering: MIME Part Tests, Iteration, Extraction, Replacement, and Enclosure   
RFC5705         Keying Material Exporters for Transport Layer Security (TLS)   
RFC5709         OSPFv2 HMAC-SHA Cryptographic Authentication   
RFC5710         PathErr Message Triggered MPLS and GMPLS LSP Reroutes   
RFC5711         Node Behavior upon Originating and Receiving Resource Reservation Protocol (RSVP) Path Error Messages   
RFC5712         MPLS Traffic Engineering Soft Preemption   
RFC5717         Partial Lock Remote Procedure Call (RPC) for NETCONF   
RFC5718         An In-Band Data Communication Network For the MPLS Transport Profile   
RFC5719         Updated IANA Considerations for Diameter Command Code Allocations   
RFC5722         Handling of Overlapping IPv6 Fragments   
RFC5723         Internet Key Exchange Protocol Version 2 (IKEv2) Session Resumption   
RFC5724         URI Scheme for Global System for Mobile Communications (GSM) Short Message Service (SMS)   
RFC5725         Post-Repair Loss RLE Report Block Type for RTP Control Protocol (RTCP) Extended Reports (XRs)   
RFC5729         Clarifications on the Routing of Diameter Requests Based on the Username and the Realm   
RFC5740         NACK-Oriented Reliable Multicast (NORM) Transport Protocol   
RFC5746         Transport Layer Security (TLS) Renegotiation Indication Extension   
RFC5749         Distribution of EAP-Based Keys for Handover and Re-Authentication   
RFC5750         Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Certificate Handling   
RFC5751         Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message Specification   
RFC5752         Multiple Signatures in Cryptographic Message Syntax (CMS)   
RFC5754         Using SHA2 Algorithms with Cryptographic Message Syntax   
RFC5755         An Internet Attribute Certificate Profile for Authorization   
RFC5756         Updates for RSAES-OAEP and RSASSA-PSS Algorithm Parameters   
RFC5758         Internet X.509 Public Key Infrastructure: Additional Algorithms and Identifiers for DSA and ECDSA   
RFC5760         RTP Control Protocol (RTCP) Extensions for Single-Source Multicast Sessions with Unicast Feedback   
RFC5761         Multiplexing RTP Data and Control Packets on a Single Port   
RFC5762         RTP and the Datagram Congestion Control Protocol (DCCP)   
RFC5763         Framework for Establishing a Secure Real-time Transport Protocol (SRTP) Security Context Using Datagram Transport Layer Security (DTLS)   
RFC5764         Datagram Transport Layer Security (DTLS) Extension to Establish Keys for the Secure Real-time Transport Protocol (SRTP)   
RFC5766         Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)   
RFC5768         Indicating Support for Interactive Connectivity Establishment (ICE) in the Session Initiation Protocol (SIP)   
RFC5775         Asynchronous Layered Coding (ALC) Protocol Instantiation   
RFC5777         Traffic Classification and Quality of Service (QoS) Attributes for Diameter   
RFC5778         Diameter Mobile IPv6: Support for Home Agent to Diameter Server Interaction   
RFC5779         Diameter Proxy Mobile IPv6: Mobile Access Gateway and Local Mobility Anchor Interaction with Diameter Server   
RFC5784         Sieve Email Filtering:  Sieves and Display Directives in XML   
RFC5785         Defining Well-Known Uniform Resource Identifiers (URIs)   
RFC5786         Advertising a Router's Local Addresses in OSPF Traffic Engineering (TE) Extensions   
RFC5788         IMAP4 Keyword Registry   
RFC5789         PATCH Method for HTTP   
RFC5790         Lightweight Internet Group Management Protocol Version 3 (IGMPv3) and Multicast Listener Discovery Version 2 (MLDv2) Protocols   
RFC5792         PA-TNC: A Posture Attribute (PA) Protocol Compatible with Trusted Network Connect (TNC)   
RFC5793         PB-TNC: A Posture Broker (PB) Protocol Compatible with Trusted Network Connect (TNC)   
RFC5795         The RObust Header Compression (ROHC) Framework   
RFC5796         Authentication and Confidentiality in Protocol Independent Multicast Sparse Mode (PIM-SM) Link-Local Messages   
RFC5797         FTP Command and Extension Registry   
RFC5798         Virtual Router Redundancy Protocol (VRRP) Version 3 for IPv4 and IPv6   
RFC5801         Using Generic Security Service Application Program Interface (GSS-API) Mechanisms in Simple Authentication and Security Layer (SASL): The GS2 Mechanism Family   
RFC5802         Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API Mechanisms   
RFC5804         A Protocol for Remotely Managing Sieve Scripts   
RFC5807         Definition of Master Key between PANA Client and Enforcement Point   
RFC5810         Forwarding and Control Element Separation (ForCES) Protocol Specification   
RFC5811         SCTP-Based Transport Mapping Layer (TML) for the Forwarding and Control Element Separation (ForCES) Protocol   
RFC5812         Forwarding and Control Element Separation (ForCES) Forwarding Element Model   
RFC5813         Forwarding and Control Element Separation (ForCES) MIB   
RFC5814         Label Switched Path (LSP) Dynamic Provisioning Performance Metrics in Generalized MPLS Networks   
RFC5815         Definitions of Managed Objects for IP Flow Information Export   
RFC5816         ESSCertIDv2 Update for RFC 3161   
RFC5818         Data Channel Status Confirmation Extensions for the Link Management Protocol   
RFC5819         IMAP4 Extension for Returning STATUS Information in Extended LIST   
RFC5837         Extending ICMP for Interface and Next-Hop Identification   
RFC5838         Support of Address Families in OSPFv3   
RFC5839         An Extension to Session Initiation Protocol (SIP) Events for Conditional Event Notification   
RFC5840         Wrapped Encapsulating Security Payload (ESP) for Traffic Visibility   
RFC5844         IPv4 Support for Proxy Mobile IPv6   
RFC5845         Generic Routing Encapsulation (GRE) Key Option for Proxy Mobile IPv6   
RFC5846         Binding Revocation for IPv6 Mobility   
RFC5847         Heartbeat Mechanism for Proxy Mobile IPv6   
RFC5848         Signed Syslog Messages   
RFC5852         RSVP-TE Signaling Extension for LSP Handover from the Management Plane to the Control Plane in a GMPLS-Enabled Transport Network   
RFC5854         The Metalink Download Description Format   
RFC5857         IKEv2 Extensions to Support Robust Header Compression over IPsec   
RFC5858         IPsec Extensions to Support Robust Header Compression over IPsec   
RFC5860         Requirements for Operations, Administration, and Maintenance (OAM) in MPLS Transport Networks   
RFC5864         DNS SRV Resource Records for AFS   
RFC5865         A Differentiated Services Code Point (DSCP) for Capacity-Admitted Traffic   
RFC5866         Diameter Quality-of-Service Application   
RFC5870         A Uniform Resource Identifier for Geographic Locations ('geo' URI)   
RFC5871         IANA Allocation Guidelines for the IPv6 Routing Header   
RFC5872         IANA Rules for the Protocol for Carrying Authentication for Network Access (PANA)   
RFC5874         An Extensible Markup Language (XML) Document Format for Indicating a Change in XML Configuration Access Protocol (XCAP) Resources   
RFC5875         An Extensible Markup Language (XML) Configuration Access Protocol (XCAP) Diff Event Package   
RFC5880         Bidirectional Forwarding Detection (BFD)   
RFC5881         Bidirectional Forwarding Detection (BFD) for IPv4 and IPv6 (Single Hop)   
RFC5882         Generic Application of Bidirectional Forwarding Detection (BFD)   
RFC5883         Bidirectional Forwarding Detection (BFD) for Multihop Paths   
RFC5884         Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs)   
RFC5885         Bidirectional Forwarding Detection (BFD) for the Pseudowire Virtual Circuit Connectivity Verification (VCCV)   
RFC5886         A Set of Monitoring Tools for Path Computation Element (PCE)-Based Architecture   
RFC5888         The Session Description Protocol (SDP) Grouping Framework   
RFC5890         Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework   
RFC5891         Internationalized Domain Names in Applications (IDNA): Protocol   
RFC5892         The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)   
RFC5893         Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)   
RFC5896         Generic Security Service Application Program Interface (GSS-API): Delegate if Approved by Policy   
RFC5898         Connectivity Preconditions for Session Description Protocol (SDP) Media Streams   
RFC5901         Extensions to the IODEF-Document Class for Reporting Phishing   
RFC5905         Network Time Protocol Version 4: Protocol and Algorithms Specification   
RFC5907         Definitions of Managed Objects for Network Time Protocol Version 4 (NTPv4)   
RFC5908         Network Time Protocol (NTP) Server Option for DHCPv6   
RFC5910         Domain Name System (DNS) Security Extensions Mapping for the Extensible Provisioning Protocol (EPP)   
RFC5913         Clearance Attribute and Authority Clearance Constraints Certificate Extension   
RFC5914         Trust Anchor Format   
RFC5918         Label Distribution Protocol (LDP) 'Typed Wildcard' Forward Equivalence Class (FEC)   
RFC5919         Signaling LDP Label Advertisement Completion   
RFC5922         Domain Certificates in the Session Initiation Protocol (SIP)   
RFC5923         Connection Reuse in the Session Initiation Protocol (SIP)   
RFC5925         The TCP Authentication Option   
RFC5926         Cryptographic Algorithms for the TCP Authentication Option (TCP-AO)   
RFC5928         Traversal Using Relays around NAT (TURN) Resolution Mechanism   
RFC5929         Channel Bindings for TLS   
RFC5932         Camellia Cipher Suites for TLS   
RFC5933         Use of GOST Signature Algorithms in DNSKEY and RRSIG Resource Records for DNSSEC   
RFC5934         Trust Anchor Management Protocol (TAMP)   
RFC5935         Expressing SNMP SMI Datatypes in XML Schema Definition Language   
RFC5936         DNS Zone Transfer Protocol (AXFR)   
RFC5938         Individual Session Control Feature for the Two-Way Active Measurement Protocol (TWAMP)   
RFC5939         Session Description Protocol (SDP) Capability Negotiation   
RFC5940         Additional Cryptographic Message Syntax (CMS) Revocation Information Choices   
RFC5942         IPv6 Subnet Model: The Relationship between Links and Subnet Prefixes   
RFC5943         A Dedicated Routing Policy Specification Language Interface Identifier for Operational Testing   
RFC5944         IP Mobility Support for IPv4, Revised   
RFC5946         Resource Reservation Protocol (RSVP) Extensions for Path-Triggered RSVP Receiver Proxy   
RFC5948         Transmission of IPv4 Packets over the IP Convergence Sublayer of IEEE 802.16   
RFC5949         Fast Handovers for Proxy Mobile IPv6   
RFC5951         Network Management Requirements for MPLS-based Transport Networks   
RFC5952         A Recommendation for IPv6 Address Text Representation   
RFC5953         Transport Layer Security (TLS) Transport Model for the Simple Network Management Protocol (SNMP)   (Obsoleted by: RFC6353)
RFC5954         Essential Correction for IPv6 ABNF and URI Comparison in RFC 3261   
RFC5956         Forward Error Correction Grouping Semantics in the Session Description Protocol   
RFC5957         Display-Based Address Sorting for the IMAP4 SORT Extension   
RFC5958         Asymmetric Key Packages   
RFC5959         Algorithms for Asymmetric Key Package Content Type   
RFC5960         MPLS Transport Profile Data Plane Architecture   
RFC5961         Improving TCP's Robustness to Blind In-Window Attacks   
RFC5962         Dynamic Extensions to the Presence Information Data Format Location Object (PIDF-LO)   
RFC5964         Specifying Holes in Location-to-Service Translation (LoST) Service Boundaries   
RFC5965         An Extensible Format for Email Feedback Reports   
RFC5966         DNS Transport over TCP - Implementation Requirements   
RFC5969         IPv6 Rapid Deployment on IPv4 Infrastructures (6rd) -- Protocol Specification   
RFC5970         DHCPv6 Options for Network Boot   
RFC5985         HTTP-Enabled Location Delivery (HELD)   
RFC5986         Discovering the Local Location Information Server (LIS)   
RFC5987         Character Set and Language Encoding for Hypertext Transfer Protocol (HTTP) Header Field Parameters   
RFC5988         Web Linking   
RFC5989         A SIP Event Package for Subscribing to Changes to an HTTP Resource   
RFC5990         Use of the RSA-KEM Key Transport Algorithm in the Cryptographic Message Syntax (CMS)   
RFC5991         Teredo Security Updates   
RFC5993         RTP Payload Format for Global System for Mobile Communications Half Rate (GSM-HR)   
RFC5995         Using POST to Add Members to Web Distributed Authoring and Versioning (WebDAV) Collections   
RFC5996         Internet Key Exchange Protocol Version 2 (IKEv2)   
RFC5998         An Extension for EAP-Only Authentication in IKEv2   
RFC6001         Generalized MPLS (GMPLS) Protocol Extensions for Multi-Layer and Multi-Region Networks (MLN/MRN)   
RFC6002         Generalized MPLS (GMPLS) Data Channel Switching Capable (DCSC) and Channel Set Label Extensions   
RFC6003         Ethernet Traffic Parameters   
RFC6004         Generalized MPLS (GMPLS) Support for Metro Ethernet Forum and G.8011 Ethernet Service Switching   
RFC6005         Generalized MPLS (GMPLS) Support for Metro Ethernet Forum and G.8011 User Network Interface (UNI)   
RFC6006         Extensions to the Path Computation Element Communication Protocol (PCEP) for Point-to-Multipoint Traffic Engineering Label Switched Paths   
RFC6008         Authentication-Results Registration for Differentiating among Cryptographic Results   
RFC6009         Sieve Email Filtering: Delivery Status Notifications and Deliver-By Extensions   
RFC6010         Cryptographic Message Syntax (CMS) Content Constraints Extension   
RFC6012         Datagram Transport Layer Security (DTLS) Transport Mapping for Syslog   
RFC6014         Cryptographic Algorithm Identifier Allocation for DNSSEC   
RFC6015         RTP Payload Format for 1-D Interleaved Parity Forward Error Correction (FEC)   
RFC6016         Support for the Resource Reservation Protocol (RSVP) in Layer 3 VPNs   
RFC6019         BinaryTime: An Alternate Format for Representing Date and Time in ASN.1   
RFC6020         YANG - A Data Modeling Language for the Network Configuration Protocol (NETCONF)   
RFC6021         Common YANG Data Types   
RFC6022         YANG Module for NETCONF Monitoring   
RFC6026         Correct Transaction Handling for 2xx Responses to Session Initiation Protocol (SIP) INVITE Requests   
RFC6030         Portable Symmetric Key Container (PSKC)   
RFC6031         Cryptographic Message Syntax (CMS) Symmetric Key Package Content Type   
RFC6032         Cryptographic Message Syntax (CMS) Encrypted Key Package Content Type   
RFC6033         Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content Type   
RFC6034         Unicast-Prefix-Based IPv4 Multicast Addresses   
RFC6035         Session Initiation Protocol Event Package for Voice Quality Reporting   
RFC6038         Two-Way Active Measurement Protocol (TWAMP) Reflect Octets and Symmetrical Size Features   
RFC6040         Tunnelling of Explicit Congestion Notification   
RFC6047         iCalendar Message-Based Interoperability Protocol (iMIP)   
RFC6048         Network News Transfer Protocol (NNTP) Additions to LIST Command   
RFC6049         Spatial Composition of Metrics   
RFC6051         Rapid Synchronisation of RTP Flows   
RFC6052         IPv6 Addressing of IPv4/IPv6 Translators   
RFC6054         Using Counter Modes with Encapsulating Security Payload (ESP) and Authentication Header (AH) to Protect Group Traffic   
RFC6059         Simple Procedures for Detecting Network Attachment in IPv6   
RFC6060         Generalized Multiprotocol Label Switching (GMPLS) Control of Ethernet Provider Backbone Traffic Engineering (PBB-TE)   
RFC6062         Traversal Using Relays around NAT (TURN) Extensions for TCP Allocations   
RFC6063         Dynamic Symmetric Key Provisioning Protocol (DSKPP)   
RFC6065         Using Authentication, Authorization, and Accounting Services to Dynamically Provision View-Based Access Control Model User-to-Group Mappings   
RFC6066         Transport Layer Security (TLS) Extensions: Extension Definitions   
RFC6068         The 'mailto' URI Scheme   
RFC6072         Certificate Management Service for the Session Initiation Protocol (SIP)   
RFC6073         Segmented Pseudowire   
RFC6074         Provisioning, Auto-Discovery, and Signaling in Layer 2 Virtual Private Networks (L2VPNs)   
RFC6075         The Internet Assigned Number Authority (IANA) Application Configuration Access Protocol (ACAP) Vendor Subtrees Registry   
RFC6076         Basic Telephony SIP End-to-End Performance Metrics   
RFC6080         A Framework for Session Initiation Protocol User Agent Profile Delivery   
RFC6081         Teredo Extensions   
RFC6083         Datagram Transport Layer Security (DTLS) for Stream Control Transmission Protocol (SCTP)   
RFC6085         Address Mapping of IPv6 Multicast Packets on Ethernet   
RFC6086         Session Initiation Protocol (SIP) INFO Method and Package Framework   
RFC6088         Traffic Selectors for Flow Bindings   
RFC6089         Flow Bindings in Mobile IPv6 and Network Mobility (NEMO) Basic Support   
RFC6093         On the Implementation of the TCP Urgent Mechanism   
RFC6096         Stream Control Transmission Protocol (SCTP) Chunk Flags Registration   
RFC6106         IPv6 Router Advertisement Options for DNS Configuration   
RFC6107         Procedures for Dynamically Signaled Hierarchical Label Switched Paths   
RFC6110         Mapping YANG to Document Schema Definition Languages and Validating NETCONF Content   
RFC6111         Additional Kerberos Naming Constraints   
RFC6112         Anonymity Support for Kerberos   
RFC6113         A Generalized Framework for Kerberos Pre-Authentication   
RFC6116         The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)   
RFC6117         IANA Registration of Enumservices: Guide, Template, and IANA Considerations   
RFC6118         Update of Legacy IANA Registrations of Enumservices   
RFC6119         IPv6 Traffic Engineering in IS-IS   
RFC6120         Extensible Messaging and Presence Protocol (XMPP): Core   
RFC6121         Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence   
RFC6122         Extensible Messaging and Presence Protocol (XMPP): Address Format   
RFC6125         Representation and Verification of Domain-Based Application Service Identity within Internet Public Key Infrastructure Using X.509 (PKIX) Certificates in the Context of Transport Layer Security (TLS)   
RFC6128         RTP Control Protocol (RTCP) Port for Source-Specific Multicast (SSM) Sessions   
RFC6130         Mobile Ad Hoc Network (MANET) Neighborhood Discovery Protocol (NHDP)   
RFC6131         Sieve Vacation Extension: "Seconds" Parameter   
RFC6132         Sieve Notification Using Presence Information   
RFC6134         Sieve Extension: Externally Stored Lists   
RFC6135         An Alternative Connection Model for the Message Session Relay Protocol (MSRP)   
RFC6140         Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP)   
RFC6141         Re-INVITE and Target-Refresh Request Handling in the Session Initiation Protocol (SIP)   
RFC6145         IP/ICMP Translation Algorithm   
RFC6146         Stateful NAT64: Network Address and Protocol Translation from IPv6 Clients to IPv4 Servers   
RFC6147         DNS64: DNS Extensions for Network Address Translation from IPv6 Clients to IPv4 Servers   
RFC6148         DHCPv4 Lease Query by Relay Agent Remote ID   
RFC6153         DHCPv4 and DHCPv6 Options for Access Network Discovery and Selection Function (ANDSF) Discovery   
RFC6154         IMAP LIST Extension for Special-Use Mailboxes   
RFC6155         Use of Device Identity in HTTP-Enabled Location Delivery (HELD)   
RFC6156         Traversal Using Relays around NAT (TURN) Extension for IPv6   
RFC6157         IPv6 Transition in the Session Initiation Protocol (SIP)   
RFC6160         Algorithms for Cryptographic Message Syntax (CMS) Protection of Symmetric Key Package Content Types   
RFC6161         Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Encrypted Key Package Content Type   
RFC6162         Elliptic Curve Algorithms for Cryptographic Message Syntax (CMS) Asymmetric Key Package Content Type   
RFC6164         Using 127-Bit IPv6 Prefixes on Inter-Router Links   
RFC6165         Extensions to IS-IS for Layer-2 Systems   
RFC6166         A Registry for PIM Message Types   
RFC6170         Internet X.509 Public Key Infrastructure -- Certificate Image   
RFC6171         The Lightweight Directory Access Protocol (LDAP) Don't Use Copy Control   
RFC6172         Deprecation of the Internet Fibre Channel Protocol (iFCP) Address Translation Mode   
RFC6173         Definitions of Managed Objects for the Internet Fibre Channel Protocol (iFCP)   
RFC6176         Prohibiting Secure Sockets Layer (SSL) Version 2.0   
RFC6178         Label Edge Router Forwarding of IPv4 Option Packets   
RFC6184         RTP Payload Format for H.264 Video   
RFC6185         RTP Payload Format for H.264 Reduced-Complexity Decoding Operation (RCDO) Video   
RFC6186         Use of SRV Records for Locating Email Submission/Access Services   
RFC6187         X.509v3 Certificates for Secure Shell Authentication   
RFC6188         The Use of AES-192 and AES-256 in Secure RTP   
RFC6190         RTP Payload Format for Scalable Video Coding   
RFC6196         Moving mailserver: URI Scheme to Historic   
RFC6203         IMAP4 Extension for Fuzzy Search   
RFC6205         Generalized Labels for Lambda-Switch-Capable (LSC) Label Switching Routers   
RFC6206         The Trickle Algorithm   
RFC6211         Cryptographic Message Syntax (CMS) Algorithm Identifier Protection Attribute   
RFC6212         Authentication-Results Registration for Vouch by Reference Results   
RFC6213         IS-IS BFD-Enabled TLV   
RFC6221         Lightweight DHCPv6 Relay Agent   
RFC6222         Guidelines for Choosing RTP Control Protocol (RTCP) Canonical Names (CNAMEs)   
RFC6223         Indication of Support for Keep-Alive   
RFC6225         Dynamic Host Configuration Protocol Options for Coordinate-Based Location Configuration Information   
RFC6226         PIM Group-to-Rendezvous-Point Mapping   
RFC6228         Session Initiation Protocol (SIP) Response Code for Indication of Terminated Dialog   
RFC6230         Media Control Channel Framework   
RFC6231         An Interactive Voice Response (IVR) Control Package for the Media Control Channel Framework   
RFC6232         Purge Originator Identification TLV for IS-IS   
RFC6233         IS-IS Registry Extension for Purges   
RFC6236         Negotiation of Generic Image Attributes in the Session Description Protocol (SDP)   
RFC6240         Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP) MIB Using SMIv2   
RFC6241         Network Configuration Protocol (NETCONF)   
RFC6242         Using the NETCONF Protocol over Secure Shell (SSH)   
RFC6243         With-defaults Capability for NETCONF   
RFC6245         Generic Routing Encapsulation (GRE) Key Extension for Mobile IPv4   
RFC6249         Metalink/HTTP: Mirrors and Hashes   
RFC6262         RTP Payload Format for IP-MR Speech Codec   
RFC6263         Application Mechanism for Keeping Alive the NAT Mappings Associated with RTP / RTP Control Protocol (RTCP) Flows   
RFC6265         HTTP State Management Mechanism   
RFC6266         Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)   
RFC6270         The 'tn3270' URI Scheme   
RFC6275         Mobility Support in IPv6   
RFC6276         DHCPv6 Prefix Delegation for Network Mobility (NEMO)   
RFC6277         Online Certificate Status Protocol Algorithm Agility   
RFC6282         Compression Format for IPv6 Datagrams over IEEE 802.15.4-Based Networks   
RFC6283         Extensible Markup Language Evidence Record Syntax (XMLERS)   
RFC6284         Port Mapping between Unicast and Multicast RTP Sessions   
RFC6285         Unicast-Based Rapid Acquisition of Multicast RTP Sessions   
RFC6286         Autonomous-System-Wide Unique BGP Identifier for BGP-4   
RFC6290         A Quick Crash Detection Method for the Internet Key Exchange Protocol (IKE)   
RFC6295         RTP Payload Format for MIDI   
RFC6298         Computing TCP's Retransmission Timer   
RFC6309         IANA Rules for MIKEY (Multimedia Internet KEYing)   
RFC6310         Pseudowire (PW) Operations, Administration, and Maintenance (OAM) Message Mapping   
RFC6311         Protocol Support for High Availability of IKEv2/IPsec   
RFC6313         Export of Structured Data in IP Flow Information Export (IPFIX)   
RFC6320         Protocol for Access Node Control Mechanism in Broadband Networks   
RFC6321         xCal: The XML Format for iCalendar   
RFC6323         Sender RTT Estimate Option for the Datagram Congestion Control Protocol (DCCP)   
RFC6325         Routing Bridges (RBridges): Base Protocol Specification   
RFC6326         Transparent Interconnection of Lots of Links (TRILL) Use of IS-IS   
RFC6327         Routing Bridges (RBridges): Adjacency   
RFC6330         RaptorQ Forward Error Correction Scheme for Object Delivery   
RFC6332         Multicast Acquisition Report Block Type for RTP Control Protocol (RTCP) Extended Reports (XRs)   
RFC6333         Dual-Stack Lite Broadband Deployments Following IPv4 Exhaustion   
RFC6334         Dynamic Host Configuration Protocol for IPv6 (DHCPv6) Option for Dual-Stack Lite   
RFC6336         IANA Registry for Interactive Connectivity Establishment (ICE) Options   
RFC6339         Context Token Encapsulate/Decapsulate and OID Comparison Functions for the Generic Security Service Application Program Interface (GSS-API)   
RFC6340         Textual Conventions for the Representation of Floating-Point Numbers   
RFC6344         Operating Virtual Concatenation (VCAT) and the Link Capacity Adjustment Scheme (LCAS) with Generalized Multi-Protocol Label Switching (GMPLS)   
RFC6345         Protocol for Carrying Authentication for Network Access (PANA) Relay Element   
RFC6347         Datagram Transport Layer Security Version 1.2   
RFC6350         vCard Format Specification   
RFC6351         xCard: vCard XML Representation   
RFC6352         CardDAV: vCard Extensions to Web Distributed Authoring and Versioning (WebDAV)   
RFC6354         Forward-Shifted RTP Redundancy Payload Support   
RFC6355         Definition of the UUID-Based DHCPv6 Unique Identifier (DUID-UUID)   
RFC6361         PPP Transparent Interconnection of Lots of Links (TRILL) Protocol Control Protocol   
RFC6363         Forward Error Correction (FEC) Framework   
RFC6364         Session Description Protocol Elements for the Forward Error Correction (FEC) Framework   
RFC6368         Internal BGP as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs)   
RFC6370         MPLS Transport Profile (MPLS-TP) Identifiers   
RFC6374         Packet Loss and Delay Measurement for MPLS Networks   
RFC6378         MPLS Transport Profile (MPLS-TP) Linear Protection   
RFC6381         The 'Codecs' and 'Profiles' Parameters for "Bucket" Media Types   
RFC6384         An FTP Application Layer Gateway (ALG) for IPv6-to-IPv4 Translation   
RFC6387         GMPLS Asymmetric Bandwidth Bidirectional Label Switched Paths (LSPs)   
RFC6388         Label Distribution Protocol Extensions for Point-to-Multipoint and Multipoint-to-Multipoint Label Switched Paths   
RFC6389         MPLS Upstream Label Assignment for LDP   
RFC6391         Flow-Aware Transport of Pseudowires over an MPLS Packet Switched Network   
RFC6395         An Interface Identifier (ID) Hello Option for PIM   
RFC6396         Multi-Threaded Routing Toolkit (MRT) Routing Information Export Format   
RFC6397         Multi-Threaded Routing Toolkit (MRT) Border Gateway Protocol (BGP) Routing Information Export Format with Geo-Location Extensions   
RFC6401         RSVP Extensions for Admission Priority   
RFC6402         Certificate Management over CMS (CMC) Updates   
RFC6407         The Group Domain of Interpretation   
RFC6408         Diameter Straightforward-Naming Authority Pointer (S-NAPTR) Usage   
RFC6415         Web Host Metadata   
RFC6416         RTP Payload Format for MPEG-4 Audio/Visual Streams   
RFC6420         PIM Multi-Topology ID (MT-ID) Join Attribute   
RFC6422         Relay-Supplied DHCP Options   
RFC6423         Using the Generic Associated Channel Label for Pseudowire in the MPLS Transport Profile (MPLS-TP)   
RFC6424         Mechanism for Performing Label Switched Path Ping (LSP Ping) over MPLS Tunnels   
RFC6425         Detecting Data-Plane Failures in Point-to-Multipoint MPLS - Extensions to LSP Ping   
RFC6426         MPLS On-Demand Connectivity Verification and Route Tracing   
RFC6427         MPLS Fault Management Operations, Administration, and Maintenance (OAM)   
RFC6428         Proactive Connectivity Verification, Continuity Check, and Remote Defect Indication for the MPLS Transport Profile   
RFC6430         Email Feedback Report Type Value: not-spam   
RFC6432         Carrying Q.850 Codes in Reason Header Fields in SIP (Session Initiation Protocol) Responses   
RFC6435         MPLS Transport Profile Lock Instruct and Loopback Functions   
RFC6437         IPv6 Flow Label Specification   
RFC6438         Using the IPv6 Flow Label for Equal Cost Multipath Routing and Link Aggregation in Tunnels   
RFC6439         Routing Bridges (RBridges): Appointed Forwarders   
RFC6440         The EAP Re-authentication Protocol (ERP) Local Domain Name DHCPv6 Option   
RFC6442         Location Conveyance for the Session Initiation Protocol   
RFC6445         Multiprotocol Label Switching (MPLS) Traffic Engineering Management Information Base for Fast Reroute   
RFC6446         Session Initiation Protocol (SIP) Event Notification Extension for Notification Rate Control   
RFC6447         Filtering Location Notifications in the Session Initiation Protocol (SIP)   
RFC6448         The Unencrypted Form of Kerberos 5 KRB-CRED Message   
RFC6450         Multicast Ping Protocol   
RFC6452         The Unicode Code Points and Internationalized Domain Names for Applications (IDNA) - Unicode 6.0   
RFC6454         The Web Origin Concept   
RFC6455         The WebSocket Protocol   
RFC6463         Runtime Local Mobility Anchor (LMA) Assignment Support for Proxy Mobile IPv6   
RFC6464         A Real-time Transport Protocol (RTP) Header Extension for Client-to-Mixer Audio Level Indication   
RFC6465         A Real-time Transport Protocol (RTP) Header Extension for Mixer-to-Client Audio Level Indication   
RFC6466         IANA Registration of the 'image' Media Type for the Session Description Protocol (SDP)   
RFC6469         RTP Payload Format for DV (IEC 61834) Video   
RFC6470         Network Configuration Protocol (NETCONF) Base Notifications   
RFC6473         vCard KIND:application   
RFC6474         vCard Format Extensions: Place of Birth, Place and Date of Death   
RFC6476         Using Message Authentication Code (MAC) Encryption in the Cryptographic Message Syntax (CMS)   
RFC6481         A Profile for Resource Certificate Repository Structure   
RFC6482         A Profile for Route Origin Authorizations (ROAs)   
RFC6485         The Profile for Algorithms and Key Sizes for Use in the Resource Public Key Infrastructure (RPKI)   
RFC6486         Manifests for the Resource Public Key Infrastructure (RPKI)   
RFC6487         A Profile for X.509 PKIX Resource Certificates   
RFC6488         Signed Object Template for the Resource Public Key Infrastructure (RPKI)   
RFC6490         Resource Public Key Infrastructure (RPKI) Trust Anchor Locator   
RFC6491         Resource Public Key Infrastructure (RPKI) Objects Issued by IANA   
RFC6492         A Protocol for Provisioning Resource Certificates   
RFC6493         The Resource Public Key Infrastructure (RPKI) Ghostbusters Record   
RFC6494         Certificate Profile and Certificate Management for SEcure Neighbor Discovery (SEND)   
RFC6495         Subject Key Identifier (SKI) SEcure Neighbor Discovery (SEND) Name Type Fields   
RFC6506         Supporting Authentication Trailer for OSPFv3   
RFC6510         Resource Reservation Protocol (RSVP) Message Formats for Label Switched Path (LSP) Attributes Objects   
RFC6511         Non-Penultimate Hop Popping Behavior and Out-of-Band Mapping for RSVP-TE Label Switched Paths   
RFC6512         Using Multipoint LDP When the Backbone Has No Route to the Root   
RFC6513         Multicast in MPLS/BGP IP VPNs   
RFC6514         BGP Encodings and Procedures for Multicast in MPLS/BGP IP VPNs   
RFC6515         IPv4 and IPv6 Infrastructure Addresses in BGP Updates for Multicast VPN   
RFC6516         IPv6 Multicast VPN (MVPN) Support Using PIM Control Plane and Selective Provider Multicast Service Interface (S-PMSI) Join Messages   
RFC6519         RADIUS Extensions for Dual-Stack Lite   
RFC6520         Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat Extension   
RFC6528         Defending against Sequence Number Attacks   
RFC6530         Overview and Framework for Internationalized Email   
RFC6531         SMTP Extension for Internationalized Email   
RFC6532         Internationalized Email Headers   
RFC6533         Internationalized Delivery Status and Disposition Notifications   
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Last modified: Wed Feb 22 16:55:32 PST 2012