HISTORIC RFCs
Historic RFCs are documents that have been superseded by later work or have otherwise been retired from active use. They remain available for reference.
353 documents
- RFC 407Remote Job Entry ProtocolCurrentOctober 1972historic
- RFC 569NETED: A Common Editor for the ARPA NetworkCurrentOctober 1973historic
- RFC 652Telnet output carriage-return disposition optionCurrentOctober 1974historic
- RFC 653Telnet output horizontal tabstops optionCurrentOctober 1974historic
- RFC 654Telnet output horizontal tab disposition optionCurrentOctober 1974historic
- RFC 655Telnet output formfeed disposition optionCurrentOctober 1974historic
- RFC 656Telnet output vertical tabstops optionCurrentOctober 1974historic
- RFC 657Telnet output vertical tab disposition optionCurrentOctober 1974historic
- RFC 658Telnet output linefeed dispositionCurrentOctober 1974historic
- RFC 675Specification of Internet Transmission Control ProgramObsoletedDecember 1974historicreplaced by RFC7805
- RFC 717Assigned Network NumbersCurrentJuly 1976historic
- RFC 721Out-of-Band Control Signals in a Host-to-Host ProtocolObsoletedSeptember 1976historicreplaced by RFC7805
- RFC 734SUPDUP ProtocolCurrentOctober 1977historic
- RFC 739Assigned numbersObsoletedNovember 1977historicreplaced by RFC750
- RFC 740NETRJS ProtocolCurrentNovember 1977historic
- RFC 750Assigned numbersObsoletedSeptember 1978historicreplaced by RFC755
- RFC 755Assigned numbersObsoletedMay 1979historicreplaced by RFC758
- RFC 758Assigned numbersObsoletedAugust 1979historicreplaced by RFC762
- RFC 759Internet Message ProtocolCurrentAugust 1980historic
- RFC 761DoD standard Transmission Control ProtocolObsoletedJanuary 1980historicreplaced by RFC793, RFC7805
- RFC 762Assigned numbersObsoletedJanuary 1980historicreplaced by RFC770
- RFC 770Assigned numbersObsoletedSeptember 1980historicreplaced by RFC776
- RFC 776Assigned numbersObsoletedJanuary 1981historicreplaced by RFC790
- RFC 778DCNET Internet Clock ServiceCurrentApril 1981historic
- RFC 790Assigned numbersObsoletedSeptember 1981historicreplaced by RFC820
- RFC 795Service mappingsCurrentSeptember 1981historic
- RFC 796Address mappingsCurrentSeptember 1981historic
- RFC 813Window and Acknowledgement Strategy in TCPObsoletedJuly 1982historicreplaced by RFC7805
- RFC 816Fault isolation and recoveryObsoletedJuly 1982historicreplaced by RFC7805
- RFC 818Remote User Telnet serviceCurrentNovember 1982historic
- RFC 820Assigned numbersObsoletedAugust 1982historicreplaced by RFC870
- RFC 823DARPA Internet gatewayCurrentSeptember 1982historic
- RFC 840Official protocolsObsoletedApril 1983historicreplaced by RFC880
- RFC 869Host Monitoring ProtocolCurrentDecember 1983historic
- RFC 870Assigned numbersObsoletedOctober 1983historicreplaced by RFC900
- RFC 879The TCP Maximum Segment Size and Related TopicsObsoletedNovember 1983historicreplaced by RFC7805, RFC9293
- RFC 880Official protocolsObsoletedOctober 1983historicreplaced by RFC901
- RFC 896Congestion Control in IP/TCP InternetworksObsoletedJanuary 1984historicreplaced by RFC7805
- RFC 900Assigned NumbersObsoletedJune 1984historicreplaced by RFC923
- RFC 904Exterior Gateway Protocol formal specificationCurrentApril 1984historic
- RFC 913Simple File Transfer ProtocolCurrentSeptember 1984historic
- RFC 914Thinwire protocol for connecting personal computers to the InternetCurrentSeptember 1984historic
- RFC 916Reliable Asynchronous Transfer Protocol (RATP)CurrentOctober 1984historic
- RFC 923Assigned numbersObsoletedOctober 1984historicreplaced by RFC943
- RFC 929Proposed Host-Front End ProtocolCurrentDecember 1984historic
- RFC 937Post Office Protocol: Version 2CurrentFebruary 1985historic
- RFC 943Assigned numbersObsoletedApril 1985historicreplaced by RFC960
- RFC 953Hostname ServerCurrentOctober 1985historic
- RFC 960Assigned numbersObsoletedDecember 1985historicreplaced by RFC990
- RFC 974Mail routing and the domain systemObsoletedJanuary 1986historicreplaced by RFC2821
- RFC 990Assigned numbersObsoletedNovember 1986historicreplaced by RFC1010
- RFC 996Statistics serverCurrentFebruary 1987historic
- RFC 1009Requirements for Internet gatewaysObsoletedJune 1987historicreplaced by RFC1812
- RFC 1010Assigned numbersObsoletedMay 1987historicreplaced by RFC1060
- RFC 1021High-level Entity Management System (HEMS)CurrentOctober 1987historic
- RFC 1028Simple Gateway Monitoring ProtocolCurrentNovember 1987historic
- RFC 1037NFILE - a file access protocolCurrentDecember 1987historic
- RFC 1041Telnet 3270 regime optionUpdatedJanuary 1988historic
- RFC 1049Content-type header field for Internet messagesCurrentMarch 1988historic
- RFC 1050RPC: Remote Procedure Call Protocol specificationObsoletedApril 1988historicreplaced by RFC1057
- RFC 1051Standard for the transmission of IP datagrams and ARP packets over ARCNET networksObsoletedMarch 1988historicreplaced by RFC1201
- RFC 1053Telnet X.3 PAD optionCurrentApril 1988historic
- RFC 1058Routing Information ProtocolUpdatedJune 1988historic
- RFC 1060Assigned numbersObsoletedMarch 1990historicreplaced by RFC1340
- RFC 1072TCP extensions for long-delay pathsObsoletedOctober 1988historicreplaced by RFC1323, RFC2018, RFC6247
- RFC 1078TCP port service Multiplexer (TCPMUX)ObsoletedNovember 1988historicreplaced by RFC7805
- RFC 1083IAB official protocol standardsObsoletedDecember 1988historicreplaced by RFC1100
- RFC 1100IAB official protocol standardsObsoletedApril 1989historicreplaced by RFC1130
- RFC 1106TCP big window and NAK optionsObsoletedJune 1989historicreplaced by RFC6247
- RFC 1108U.S. Department of Defense Security Options for the Internet ProtocolCurrentNovember 1991historic
- RFC 1110Problem with the TCP big window optionObsoletedAugust 1989historicreplaced by RFC6247
- RFC 1113Privacy enhancement for Internet electronic mail: Part I - message encipherment and authentication proceduresObsoletedAugust 1989historicreplaced by RFC1421
- RFC 1114Privacy enhancement for Internet electronic mail: Part II - certificate-based key managementObsoletedAugust 1989historicreplaced by RFC1422
- RFC 1115Privacy enhancement for Internet electronic mail: Part III - algorithms, modes, and identifiersObsoletedAugust 1989historicreplaced by RFC1423
- RFC 1119Network Time Protocol (version 2) specification and implementationObsoletedSeptember 1989historicreplaced by RFC1305
- RFC 1130IAB official protocol standardsObsoletedOctober 1989historicreplaced by RFC1140
- RFC 1137Mapping between full RFC 822 and RFC 822 with restricted encodingCurrentDecember 1989historic
- RFC 1140IAB official protocol standardsObsoletedMay 1990historicreplaced by RFC1200
- RFC 1142OSI IS-IS Intra-domain Routing ProtocolObsoletedFebruary 1990historicreplaced by RFC7142
- RFC 1145TCP alternate checksum optionsObsoletedFebruary 1990historicreplaced by RFC1146, RFC6247
- RFC 1146TCP alternate checksum optionsObsoletedMarch 1990historicreplaced by RFC6247
- RFC 1150FYI on FYI: Introduction to the FYI NotesObsoletedMarch 1990historicreplaced by RFC6360
- RFC 1156Management Information Base for network management of TCP/IP-based internetsCurrentMay 1990historic
- RFC 1157Simple Network Management Protocol (SNMP)CurrentMay 1990historic
- RFC 1163Border Gateway Protocol (BGP)ObsoletedJune 1990historicreplaced by RFC1267
- RFC 1164Application of the Border Gateway Protocol in the InternetObsoletedJune 1990historicreplaced by RFC1268
- RFC 1189Common Management Information Services and Protocols for the Internet (CMOT and CMIP)CurrentOctober 1990historic
- RFC 1200IAB official protocol standardsObsoletedApril 1991historicreplaced by RFC1250
- RFC 1203Interactive Mail Access Protocol: Version 3CurrentFebruary 1991historic
- RFC 1214OSI internet management: Management Information BaseCurrentApril 1991historic
- RFC 1227SNMP MUX protocol and MIBCurrentMay 1991historic
- RFC 1230IEEE 802.4 Token Bus MIBUpdatedMay 1991historic
- RFC 1234Tunneling IPX traffic through IP networksCurrentJune 1991historic
- RFC 1239Reassignment of experimental MIBs to standard MIBsCurrentJune 1991historic
- RFC 1240OSI connectionless transport services on top of UDP: Version 1CurrentJune 1991historic
- RFC 1250IAB Official Protocol StandardsObsoletedAugust 1991historicreplaced by RFC1280, RFC2200
- RFC 1264Internet Engineering Task Force Internet Routing Protocol Standardization CriteriaObsoletedOctober 1991historicreplaced by RFC4794
- RFC 1267Border Gateway Protocol 3 (BGP-3)CurrentOctober 1991historic
- RFC 1268Application of the Border Gateway Protocol in the InternetObsoletedOctober 1991historicreplaced by RFC1655
- RFC 1276Replication and Distributed Operations extensions to provide an Internet Directory using X.500CurrentNovember 1991historic
- RFC 1280IAB Official Protocol StandardsObsoletedMarch 1992historicreplaced by RFC1360
- RFC 1285FDDI Management Information BaseUpdatedJanuary 1992historic
- RFC 1305Network Time Protocol (Version 3) Specification, Implementation and AnalysisObsoletedMarch 1992historicreplaced by RFC5905
- RFC 1314A File Format for the Exchange of Images in the InternetCurrentApril 1992historic
- RFC 1319The MD2 Message-Digest AlgorithmObsoletedApril 1992historicreplaced by RFC6149
- RFC 1320The MD4 Message-Digest AlgorithmObsoletedApril 1992historicreplaced by RFC6150
- RFC 1328X.400 1988 to 1984 downgradingCurrentMay 1992historic
- RFC 1340Assigned NumbersObsoletedJuly 1992historicreplaced by RFC1700
- RFC 1347TCP and UDP with Bigger Addresses (TUBA), A Simple Proposal for Internet Addressing and RoutingCurrentJune 1992historic
- RFC 1351SNMP Administrative ModelCurrentJuly 1992historic
- RFC 1352SNMP Security ProtocolsCurrentJuly 1992historic
- RFC 1353Definitions of Managed Objects for Administration of SNMP PartiesCurrentJuly 1992historic
- RFC 1360IAB Official Protocol StandardsObsoletedSeptember 1992historicreplaced by RFC1410
- RFC 1370Applicability Statement for OSPFCurrentOctober 1992historic
- RFC 1378The PPP AppleTalk Control Protocol (ATCP)CurrentNovember 1992historic
- RFC 1379Extending TCP for Transactions -- ConceptsObsoletedNovember 1992historicreplaced by RFC6247
- RFC 1385EIP: The Extended Internet ProtocolObsoletedNovember 1992historicreplaced by RFC6814
- RFC 1393Traceroute Using an IP OptionObsoletedJanuary 1993historicreplaced by RFC6814
- RFC 1397Default Route Advertisement In BGP2 and BGP3 Version of The Border Gateway ProtocolCurrentJanuary 1993historic
- RFC 1403BGP OSPF InteractionCurrentJanuary 1993historic
- RFC 1408Telnet Environment OptionUpdatedJanuary 1993historic
- RFC 1410IAB Official Protocol StandardsObsoletedMarch 1993historicreplaced by RFC1500
- RFC 1414Identification MIBCurrentFebruary 1993historic
- RFC 1415FTP-FTAM Gateway SpecificationCurrentJanuary 1993historic
- RFC 1418SNMP over OSICurrentMarch 1993historic
- RFC 1419SNMP over AppleTalkCurrentMarch 1993historic
- RFC 1421Privacy Enhancement for Internet Electronic Mail: Part I: Message Encryption and Authentication ProceduresCurrentFebruary 1993historic
- RFC 1422Privacy Enhancement for Internet Electronic Mail: Part II: Certificate-Based Key ManagementCurrentFebruary 1993historic
- RFC 1423Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and IdentifiersCurrentFebruary 1993historic
- RFC 1424Privacy Enhancement for Internet Electronic Mail: Part IV: Key Certification and Related ServicesCurrentFebruary 1993historic
- RFC 1441Introduction to version 2 of the Internet-standard Network Management FrameworkCurrentApril 1993historic
- RFC 1445Administrative Model for version 2 of the Simple Network Management Protocol (SNMPv2)CurrentApril 1993historic
- RFC 1446Security Protocols for version 2 of the Simple Network Management Protocol (SNMPv2)CurrentApril 1993historic
- RFC 1447Party MIB for version 2 of the Simple Network Management Protocol (SNMPv2)CurrentApril 1993historic
- RFC 1451Manager-to-Manager Management Information BaseCurrentApril 1993historic
- RFC 1461SNMP MIB extension for Multiprotocol Interconnect over X.25CurrentMay 1993historic
- RFC 1467Status of CIDR Deployment in the InternetCurrentAugust 1993historic
- RFC 1469IP Multicast over Token-Ring Local Area NetworksCurrentJune 1993historic
- RFC 1474The Definitions of Managed Objects for the Bridge Network Control Protocol of the Point-to-Point ProtocolCurrentJune 1993historic
- RFC 1475TP/IX: The Next InternetObsoletedJune 1993historicreplaced by RFC6814
- RFC 1478An Architecture for Inter-Domain Policy RoutingCurrentJune 1993historic
- RFC 1479Inter-Domain Policy Routing Protocol Specification: Version 1CurrentJuly 1993historic
- RFC 1481IAB Recommendation for an Intermediate Strategy to Address the Issue of ScalingCurrentJuly 1993historic
- RFC 1482Aggregation Support in the NSFNET Policy-Based Routing DatabaseCurrentJune 1993historic
- RFC 1484Using the OSI Directory to achieve User Friendly Naming (OSI-DS 24 (v1.2))ObsoletedJuly 1993historicreplaced by RFC1781, RFC3494
- RFC 1485A String Representation of Distinguished Names (OSI-DS 23 (v5))ObsoletedJuly 1993historicreplaced by RFC1779, RFC3494
- RFC 1487X.500 Lightweight Directory Access ProtocolObsoletedJuly 1993historicreplaced by RFC1777, RFC3494
- RFC 1494Equivalences between 1988 X.400 and RFC-822 Message BodiesCurrentAugust 1993historic
- RFC 1496Rules for downgrading messages from X.400/88 to X.400/84 when MIME content-types are present in the messagesCurrentAugust 1993historic
- RFC 1500Internet Official Protocol StandardsObsoletedAugust 1993historicreplaced by RFC1540
- RFC 1502X.400 Use of Extended Character SetsCurrentAugust 1993historic
- RFC 1510The Kerberos Network Authentication Service (V5)ObsoletedSeptember 1993historicreplaced by RFC4120, RFC6649
- RFC 1512FDDI Management Information BaseCurrentSeptember 1993historic
- RFC 1513Token Ring Extensions to the Remote Network Monitoring MIBCurrentSeptember 1993historic
- RFC 1517Applicability Statement for the Implementation of Classless Inter-Domain Routing (CIDR)CurrentSeptember 1993historic
- RFC 1518An Architecture for IP Address Allocation with CIDRCurrentSeptember 1993historic
- RFC 1520Exchanging Routing Information Across Provider Boundaries in the CIDR EnvironmentCurrentSeptember 1993historic
- RFC 1525Definitions of Managed Objects for Source Routing BridgesCurrentSeptember 1993historic
- RFC 1528Principles of Operation for the TPC.INT Subdomain: Remote Printing -- Technical ProceduresObsoletedOctober 1993historicreplaced by RFC9121
- RFC 1540Internet Official Protocol StandardsObsoletedOctober 1993historicreplaced by RFC1600
- RFC 1552The PPP Internetworking Packet Exchange Control Protocol (IPXCP)CurrentDecember 1993historic
- RFC 1553Compressing IPX Headers Over WAN Media (CIPX)CurrentDecember 1993historic
- RFC 1584Multicast Extensions to OSPFCurrentMarch 1994historic
- RFC 1600Internet Official Protocol StandardsObsoletedMarch 1994historicreplaced by RFC1610
- RFC 1610Internet Official Protocol StandardsObsoletedJuly 1994historicreplaced by RFC1720
- RFC 1611DNS Server MIB ExtensionsCurrentMay 1994historic
- RFC 1612DNS Resolver MIB ExtensionsCurrentMay 1994historic
- RFC 1621Pip Near-term ArchitectureCurrentMay 1994historic
- RFC 1622Pip Header ProcessingCurrentMay 1994historic
- RFC 1623Definitions of Managed Objects for the Ethernet-like Interface TypesObsoletedMay 1994historicreplaced by RFC1643
- RFC 1643Definitions of Managed Objects for the Ethernet-like Interface TypesObsoletedJuly 1994historicreplaced by RFC3638
- RFC 1644T/TCP -- TCP Extensions for Transactions Functional SpecificationObsoletedJuly 1994historicreplaced by RFC6247
- RFC 1648Postmaster Convention for X.400 OperationsCurrentJuly 1994historic
- RFC 1666Definitions of Managed Objects for SNA NAUs using SMIv2CurrentAugust 1994historic
- RFC 1692Transport Multiplexing Protocol (TMux)CurrentAugust 1994historic
- RFC 1693An Extension to TCP : Partial Order ServiceObsoletedNovember 1994historicreplaced by RFC6247
- RFC 1696Modem Management Information Base (MIB) using SMIv2CurrentAugust 1994historic
- RFC 1700Assigned NumbersObsoletedOctober 1994historicreplaced by RFC3232
- RFC 1706DNS NSAP Resource RecordsUpdatedOctober 1994historic
- RFC 1707CATNIP: Common Architecture for the InternetCurrentOctober 1994historic
- RFC 1720Internet Official Protocol StandardsObsoletedNovember 1994historicreplaced by RFC1780
- RFC 1742AppleTalk Management Information Base IICurrentJanuary 1995historic
- RFC 1745BGP4/IDRP for IP---OSPF InteractionCurrentDecember 1994historic
- RFC 1747Definitions of Managed Objects for SNA Data Link Control (SDLC) using SMIv2CurrentJanuary 1995historic
- RFC 1749IEEE 802.5 Station Source Routing MIB using SMIv2CurrentDecember 1994historic
- RFC 1763The PPP Banyan Vines Control Protocol (BVCP)CurrentMarch 1995historic
- RFC 1764The PPP XNS IDP Control Protocol (XNSCP)CurrentMarch 1995historic
- RFC 1770IPv4 Option for Sender Directed Multi-Destination DeliveryObsoletedMarch 1995historicreplaced by RFC6814
- RFC 1777Lightweight Directory Access ProtocolObsoletedMarch 1995historicreplaced by RFC3494
- RFC 1778The String Representation of Standard Attribute SyntaxesObsoletedMarch 1995historicreplaced by RFC3494
- RFC 1779A String Representation of Distinguished NamesObsoletedMarch 1995historicreplaced by RFC2253, RFC3494
- RFC 1780Internet Official Protocol StandardsObsoletedMarch 1995historicreplaced by RFC1800
- RFC 1781Using the OSI Directory to Achieve User Friendly NamingObsoletedMarch 1995historicreplaced by RFC3494
- RFC 1788ICMP Domain Name MessagesObsoletedApril 1995historicreplaced by RFC6918
- RFC 1798Connection-less Lightweight X.500 Directory Access ProtocolObsoletedJune 1995historicreplaced by RFC3352
- RFC 1800Internet Official Protocol StandardsObsoletedJuly 1995historicreplaced by RFC1880
- RFC 1817CIDR and Classful RoutingCurrentAugust 1995historic
- RFC 1818Best Current PracticesCurrentAugust 1995historic
- RFC 1819Internet Stream Protocol Version 2 (ST2) Protocol Specification - Version ST2+CurrentAugust 1995historic
- RFC 1828IP Authentication using Keyed MD5CurrentAugust 1995historic
- RFC 1835Architecture of the WHOIS++ serviceCurrentAugust 1995historic
- RFC 1848MIME Object Security ServicesCurrentOctober 1995historic
- RFC 1849"Son of 1036": News Article Format and TransmissionObsoletedMarch 2010historicreplaced by RFC5536, RFC5537
- RFC 1863A BGP/IDRP Route Server alternative to a full mesh routingObsoletedOctober 1995historicreplaced by RFC4223
- RFC 1866Hypertext Markup Language - 2.0ObsoletedNovember 1995historicreplaced by RFC2854
- RFC 1867Form-based File Upload in HTMLObsoletedNovember 1995historicreplaced by RFC2854
- RFC 1871Addendum to RFC 1602 -- Variance ProcedureObsoletedNovember 1995historicreplaced by RFC2026
- RFC 1878Variable Length Subnet Table For IPv4CurrentDecember 1995historic
- RFC 1880Internet Official Protocol StandardsObsoletedNovember 1995historicreplaced by RFC1920
- RFC 1884IP Version 6 Addressing ArchitectureObsoletedDecember 1995historicreplaced by RFC2373
- RFC 1888OSI NSAPs and IPv6ObsoletedAugust 1996historicreplaced by RFC4048
- RFC 1901Introduction to Community-based SNMPv2CurrentJanuary 1996historic
- RFC 1909An Administrative Infrastructure for SNMPv2CurrentFebruary 1996historic
- RFC 1910User-based Security Model for SNMPv2CurrentFebruary 1996historic
- RFC 1913Architecture of the Whois++ Index ServiceCurrentFebruary 1996historic
- RFC 1914How to Interact with a Whois++ MeshCurrentFebruary 1996historic
- RFC 1920Internet Official Protocol StandardsObsoletedMarch 1996historicreplaced by RFC2000
- RFC 1942HTML TablesObsoletedMay 1996historicreplaced by RFC2854
- RFC 1980A Proposed Extension to HTML : Client-Side Image MapsObsoletedAugust 1996historicreplaced by RFC2854
- RFC 2000Internet Official Protocol StandardsObsoletedFebruary 1997historicreplaced by RFC2200
- RFC 2036Observations on the use of Components of the Class A Address Space within the InternetCurrentOctober 1996historic
- RFC 2050Internet Registry IP Allocation GuidelinesObsoletedNovember 1996historicreplaced by RFC7020
- RFC 2070Internationalization of the Hypertext Markup LanguageObsoletedJanuary 1997historicreplaced by RFC2854
- RFC 2083PNG (Portable Network Graphics) Specification Version 1.0CurrentMarch 1997historic
- RFC 2109HTTP State Management MechanismObsoletedFebruary 1997historicreplaced by RFC2965
- RFC 2169A Trivial Convention for using HTTP in URN ResolutionCurrentJune 1997historic
- RFC 2189Core Based Trees (CBT version 2) Multicast Routing -- Protocol Specification --CurrentSeptember 1997historic
- RFC 2190RTP Payload Format for H.263 Video StreamsCurrentSeptember 1997historic
- RFC 2200Internet Official Protocol StandardsObsoletedJune 1997historicreplaced by RFC2300
- RFC 2201Core Based Trees (CBT) Multicast Routing ArchitectureCurrentSeptember 1997historic
- RFC 2246The TLS Protocol Version 1.0ObsoletedJanuary 1999historicreplaced by RFC4346
- RFC 2296HTTP Remote Variant Selection Algorithm -- RVSA/1.0CurrentMarch 1998historic
- RFC 2300Internet Official Protocol StandardsObsoletedMay 1998historicreplaced by RFC2400
- RFC 2310The Safe Response Header FieldCurrentApril 1998historic
- RFC 2311S/MIME Version 2 Message SpecificationCurrentMarch 1998historic
- RFC 2312S/MIME Version 2 Certificate HandlingCurrentMarch 1998historic
- RFC 2341Cisco Layer Two Forwarding (Protocol) "L2F"CurrentMay 1998historic
- RFC 2374An IPv6 Aggregatable Global Unicast Address FormatObsoletedJuly 1998historicreplaced by RFC3587
- RFC 2400Internet Official Protocol StandardsObsoletedSeptember 1998historicreplaced by RFC2500
- RFC 2407The Internet IP Security Domain of Interpretation for ISAKMPObsoletedNovember 1998historicreplaced by RFC4306
- RFC 2408Internet Security Association and Key Management Protocol (ISAKMP)ObsoletedNovember 1998historicreplaced by RFC4306
- RFC 2409The Internet Key Exchange (IKE)ObsoletedNovember 1998historicreplaced by RFC4306
- RFC 2452IP Version 6 Management Information Base for the Transmission Control ProtocolObsoletedDecember 1998historicreplaced by RFC4022, RFC8096
- RFC 2454IP Version 6 Management Information Base for the User Datagram ProtocolObsoletedDecember 1998historicreplaced by RFC4113, RFC8096
- RFC 2465Management Information Base for IP Version 6: Textual Conventions and General GroupObsoletedDecember 1998historicreplaced by RFC4293, RFC8096
- RFC 2466Management Information Base for IP Version 6: ICMPv6 GroupObsoletedDecember 1998historicreplaced by RFC4293, RFC8096
- RFC 2471IPv6 Testing Address AllocationObsoletedDecember 1998historicreplaced by RFC3701
- RFC 2482Language Tagging in Unicode Plain TextObsoletedJanuary 1999historicreplaced by RFC6082
- RFC 2500Internet Official Protocol StandardsObsoletedJune 1999historicreplaced by RFC2600
- RFC 2559Internet X.509 Public Key Infrastructure Operational Protocols - LDAPv2ObsoletedApril 1999historicreplaced by RFC3494
- RFC 2600Internet Official Protocol StandardsObsoletedMarch 2000historicreplaced by RFC2700
- RFC 2660The Secure HyperText Transfer ProtocolCurrentAugust 1999historic
- RFC 2673Binary Labels in the Domain Name SystemObsoletedAugust 1999historicreplaced by RFC6891
- RFC 2700Internet Official Protocol StandardsObsoletedAugust 2000historicreplaced by RFC2800
- RFC 2754RPS IANA IssuesObsoletedJanuary 2000historicreplaced by RFC6254
- RFC 2766Network Address Translation - Protocol Translation (NAT-PT)ObsoletedFebruary 2000historicreplaced by RFC4966
- RFC 2774An HTTP Extension FrameworkCurrentFebruary 2000historic
- RFC 2776Multicast-Scope Zone Announcement Protocol (MZAP)CurrentFebruary 2000historic
- RFC 2800Internet Official Protocol StandardsObsoletedMay 2001historicreplaced by RFC2900
- RFC 2831Using Digest Authentication as a SASL MechanismObsoletedMay 2000historicreplaced by RFC6331
- RFC 2841IP Authentication using Keyed SHA1 with Interleaved Padding (IP-MAC)CurrentNovember 2000historic
- RFC 2861TCP Congestion Window ValidationObsoletedJune 2000historicreplaced by RFC7661
- RFC 2874DNS Extensions to Support IPv6 Address Aggregation and RenumberingUpdatedJuly 2000historic
- RFC 2885Megaco Protocol version 0.8ObsoletedAugust 2000historicreplaced by RFC3015
- RFC 2886Megaco ErrataObsoletedAugust 2000historicreplaced by RFC3015
- RFC 2900Internet Official Protocol StandardsObsoletedAugust 2001historicreplaced by RFC3000
- RFC 2908The Internet Multicast Address Allocation ArchitectureObsoletedSeptember 2000historicreplaced by RFC6308
- RFC 2909The Multicast Address-Set Claim (MASC) ProtocolCurrentSeptember 2000historic
- RFC 2965HTTP State Management MechanismObsoletedOctober 2000historicreplaced by RFC6265
- RFC 3000Internet Official Protocol StandardsObsoletedNovember 2001historicreplaced by RFC3300
- RFC 3044Using The ISSN (International Serial Standard Number) as URN (Uniform Resource Names) within an ISSN-URN NamespaceObsoletedJanuary 2001historicreplaced by RFC8254
- RFC 3068An Anycast Prefix for 6to4 Relay RoutersObsoletedJune 2001historicreplaced by RFC7526
- RFC 3084COPS Usage for Policy Provisioning (COPS-PR)CurrentMarch 2001historic
- RFC 3159Structure of Policy Provisioning Information (SPPI)CurrentAugust 2001historic
- RFC 3187Using International Standard Book Numbers as Uniform Resource NamesObsoletedOctober 2001historicreplaced by RFC8254
- RFC 3300Internet Official Protocol StandardsObsoletedNovember 2002historicreplaced by RFC3600
- RFC 3317Differentiated Services Quality of Service Policy Information BaseCurrentMarch 2003historic
- RFC 3318Framework Policy Information BaseCurrentMarch 2003historic
- RFC 3340The Application Exchange CoreCurrentJuly 2002historic
- RFC 3341The Application Exchange (APEX) Access ServiceCurrentJuly 2002historic
- RFC 3342The Application Exchange (APEX) Option Party Pack, Part Deux!CurrentJuly 2002historic
- RFC 3343The Application Exchange (APEX) Presence ServiceCurrentMay 2003historic
- RFC 3525Gateway Control Protocol Version 1ObsoletedJune 2003historicreplaced by RFC5125
- RFC 3540Robust Explicit Congestion Notification (ECN) Signaling with NoncesCurrentJune 2003historic
- RFC 3571Framework Policy Information Base for Usage FeedbackCurrentAugust 2003historic
- RFC 3600Internet Official Protocol StandardsObsoletedNovember 2003historicreplaced by RFC3700
- RFC 3627Use of /127 Prefix Length Between Routers Considered HarmfulObsoletedSeptember 2003historicreplaced by RFC6547
- RFC 3700Internet Official Protocol StandardsObsoletedJuly 2004historicreplaced by RFC5000
- RFC 3716IETF in the Large: Administration and ExecutionCurrentMarch 2004historic
- RFC 3913Border Gateway Multicast Protocol (BGMP): Protocol SpecificationCurrentSeptember 2004historic
- RFC 4156The wais URI SchemeCurrentAugust 2005historic
- RFC 4157The prospero URI SchemeCurrentAugust 2005historic
- RFC 4345Improved Arcfour Modes for the Secure Shell (SSH) Transport Layer ProtocolCurrentJanuary 2006historic
- RFC 4346The Transport Layer Security (TLS) Protocol Version 1.1ObsoletedApril 2006historicreplaced by RFC5246
- RFC 4347Datagram Transport Layer SecurityObsoletedApril 2006historicreplaced by RFC6347
- RFC 4351Real-Time Transport Protocol (RTP) Payload for Text Conversation Interleaved in an Audio StreamCurrentJanuary 2006historic
- RFC 4402A Pseudo-Random Function (PRF) for the Kerberos V Generic Security Service Application Program Interface (GSS-API) MechanismObsoletedFebruary 2006historicreplaced by RFC7802
- RFC 4405SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail MessageCurrentApril 2006historic
- RFC 4406Sender ID: Authenticating E-MailCurrentApril 2006historic
- RFC 4407Purported Responsible Address in E-Mail MessagesCurrentApril 2006historic
- RFC 4431The DNSSEC Lookaside Validation (DLV) DNS Resource RecordCurrentFebruary 2006historic
- RFC 4612Real-Time Facsimile (T.38) - audio/t38 MIME Sub-type RegistrationCurrentAugust 2006historic
- RFC 4693IETF Operational NotesObsoletedOctober 2006historicreplaced by RFC6393
- RFC 4743Using NETCONF over the Simple Object Access Protocol (SOAP)UpdatedDecember 2006historic
- RFC 4744Using the NETCONF Protocol over the Blocks Extensible Exchange Protocol (BEEP)UpdatedDecember 2006historic
- RFC 4757The RC4-HMAC Kerberos Encryption Types Used by Microsoft WindowsUpdatedDecember 2006historic
- RFC 4869Suite B Cryptographic Suites for IPsecObsoletedMay 2007historicreplaced by RFC6379
- RFC 4870Domain-Based Email Authentication Using Public Keys Advertised in the DNS (DomainKeys)ObsoletedMay 2007historicreplaced by RFC4871
- RFC 4905Encapsulation Methods for Transport of Layer 2 Frames over MPLS NetworksCurrentJune 2007historic
- RFC 4906Transport of Layer 2 Frames Over MPLSCurrentJune 2007historic
- RFC 5000Internet Official Protocol StandardsObsoletedMay 2008historicreplaced by RFC7100
- RFC 5008Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)ObsoletedSeptember 2007historicreplaced by RFC6318
- RFC 5074DNSSEC Lookaside Validation (DLV)CurrentNovember 2007historic
- RFC 5143Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation Service over MPLS (CEM) EncapsulationObsoletedFebruary 2008historicreplaced by RFC4842
- RFC 5412Lightweight Access Point ProtocolCurrentFebruary 2010historic
- RFC 5413SLAPP: Secure Light Access Point ProtocolCurrentFebruary 2010historic
- RFC 5414Wireless LAN Control Protocol (WiCoP)ObsoletedFebruary 2010historicreplaced by RFC5415
- RFC 5430Suite B Profile for Transport Layer Security (TLS)ObsoletedMarch 2009historicreplaced by RFC6460
- RFC 5469DES and IDEA Cipher Suites for Transport Layer Security (TLS)ObsoletedFebruary 2009historicreplaced by RFC8996
- RFC 5617DomainKeys Identified Mail (DKIM) Author Domain Signing Practices (ADSP)UpdatedAugust 2009historic
- RFC 5759Suite B Certificate and Certificate Revocation List (CRL) ProfileCurrentJanuary 2010historic
- RFC 5772A Set of Possible Requirements for a Future Routing ArchitectureCurrentFebruary 2010historic
- RFC 5773Analysis of Inter-Domain Routing Requirements and HistoryCurrentFebruary 2010historic
- RFC 5806Diversion Indication in SIPCurrentMarch 2010historic
- RFC 5933Use of GOST Signature Algorithms in DNSKEY and RRSIG Resource Records for DNSSECUpdatedJuly 2010historic
- RFC 5987Character Set and Language Encoding for Hypertext Transfer Protocol (HTTP) Header Field ParametersObsoletedAugust 2010historicreplaced by RFC8187
- RFC 6013TCP Cookie Transactions (TCPCT)ObsoletedJanuary 2011historicreplaced by RFC7805
- RFC 6037Cisco Systems' Solution for Multicast in BGP/MPLS IP VPNsCurrentOctober 2010historic
- RFC 6057Comcast's Protocol-Agnostic Congestion Management SystemCurrentDecember 2010historic
- RFC 6101The Secure Sockets Layer (SSL) Protocol Version 3.0CurrentAugust 2011historic
- RFC 6108Comcast's Web Notification System DesignCurrentFebruary 2011historic
- RFC 6112Anonymity Support for KerberosObsoletedApril 2011historicreplaced by RFC8062
- RFC 6123Inclusion of Manageability Sections in Path Computation Element (PCE) Working Group DraftsCurrentFebruary 2011historic
- RFC 6239Suite B Cryptographic Suites for Secure Shell (SSH)CurrentMay 2011historic
- RFC 6318Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)CurrentJune 2011historic
- RFC 6348Requirements for Point-to-Multipoint Extensions to the Label Distribution ProtocolCurrentSeptember 2011historic
- RFC 6379Suite B Cryptographic Suites for IPsecCurrentOctober 2011historic
- RFC 6380Suite B Profile for Internet Protocol Security (IPsec)CurrentOctober 2011historic
- RFC 6403Suite B Profile of Certificate Management over CMSCurrentNovember 2011historic
- RFC 6460Suite B Profile for Transport Layer Security (TLS)UpdatedJanuary 2012historic
- RFC 6493The Resource Public Key Infrastructure (RPKI) Ghostbusters RecordCurrentFebruary 2012historic
- RFC 6529Host/Host Protocol for the ARPA NetworkCurrentApril 2012historic
- RFC 6587Transmission of Syslog Messages over TCPCurrentApril 2012historic
- RFC 67326to4 Provider Managed TunnelsObsoletedSeptember 2012historicreplaced by RFC7526
- RFC 6804DISCOVER: Supporting Multicast DNS QueriesCurrentNovember 2012historic
- RFC 7436IP-Only LAN Service (IPLS)CurrentJanuary 2015historic
- RFC 7506IPv6 Router Alert Option for MPLS Operations, Administration, and Maintenance (OAM)CurrentApril 2015historic
- RFC 7649The Jabber Scribe Role at IETF MeetingsCurrentSeptember 2015historic
- RFC 7954Locator/ID Separation Protocol (LISP) Endpoint Identifier (EID) BlockCurrentSeptember 2016historic
- RFC 7955Management Guidelines for the Locator/ID Separation Protocol (LISP) Endpoint Identifier (EID) BlockCurrentSeptember 2016historic
- RFC 8164Opportunistic Security for HTTP/2CurrentMay 2017historic
- RFC 8507Simple Internet Protocol (SIP) SpecificationCurrentDecember 2018historic
- RFC 9327Control Messages Protocol for Use with Network Time Protocol Version 4CurrentNovember 2022historic