| 9911 | Common YANG Data TypesJ. Schönwälder, Ed. | Proposed Standard | December 2025 |
| 9517 | A URN Namespace for the Data Documentation Initiative (DDI)J. Wackerow | Informational | January 2024 |
| 9499 | DNS TerminologyP. Hoffman, K. Fujiwara | Best Current Practice | March 2024 |
| 9456 | Updates to the TLS Transport Model for SNMPK. Vaughn, Ed. | Proposed Standard | November 2023 |
| 9260 | Stream Control Transmission ProtocolR. Stewart, M. Tüxen, K. Nielsen | Proposed Standard | June 2022 |
| 9210 | DNS Transport over TCP - Operational RequirementsJ. Kristoff, D. Wessels | Best Current Practice | March 2022 |
| 9082 | Registration Data Access Protocol (RDAP) Query FormatS. Hollenbeck, A. Newton | Internet Standard | June 2021 |
| 8771 | The Internationalized Deliberately Unreadable Network NOtation (I-DUNNO)A. Mayrhofer, J. Hague | Experimental | 1 April 2020 |
| 8765 | DNS Push NotificationsT. Pusateri, S. Cheshire | Proposed Standard | June 2020 |
| 8738 | Automated Certificate Management Environment (ACME) IP Identifier Validation ExtensionR.B. Shoemaker | Proposed Standard | February 2020 |
| 8700 | Fifty Years of RFCsH. Flanagan, Ed. | Informational | December 2019 |
| 8520 | Manufacturer Usage Description SpecificationE. Lear, R. Droms, D. Romascanu | Proposed Standard | March 2019 |
| 8499 | DNS TerminologyP. Hoffman, A. Sullivan, K. Fujiwara · obsoleted by RFC 9499 | Best Current Practice | January 2019 |
| 8489 | Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D. Wing, R. Mahy, P. Matthews | Proposed Standard | February 2020 |
| 8324 | DNS Privacy, Authorization, Special Uses, Encoding, Characters, Matching, and Root Structure: Time for Another Look?J. Klensin | Informational | February 2018 |
| 8304 | Transport Features of the User Datagram Protocol (UDP) and Lightweight UDP (UDP-Lite)G. Fairhurst, T. Jones | Informational | February 2018 |
| 8006 | Content Delivery Network Interconnection (CDNI) MetadataB. Niven-Jenkins, R. Murray, M. Caulfield, K. Ma | Proposed Standard | December 2016 |
| 7826 | Real-Time Streaming Protocol Version 2.0H. Schulzrinne, A. Rao, R. Lanphier, M. Westerlund, M. Stiemerling, Ed. | Proposed Standard | December 2016 |
| 7766 | DNS Transport over TCP - Implementation RequirementsJ. Dickinson, S. Dickinson, R. Bellis, A. Mankin, D. Wessels | Proposed Standard | March 2016 |
| 7719 | DNS TerminologyP. Hoffman, A. Sullivan, K. Fujiwara · obsoleted by RFC 8499 | Informational | December 2015 |
| 7686 | The ".onion" Special-Use Domain NameJ. Appelbaum, A. Muffett | Proposed Standard | October 2015 |
| 7678 | Attribute-Value Pairs for Provisioning Customer Equipment Supporting IPv4-Over-IPv6 Transitional SolutionsC. Zhou, T. Taylor, Q. Sun, M. Boucadair | Proposed Standard | October 2015 |
| 7622 | Extensible Messaging and Presence Protocol (XMPP): Address FormatP. Saint-Andre | Proposed Standard | September 2015 |
| 7482 | Registration Data Access Protocol (RDAP) Query FormatA. Newton, S. Hollenbeck · obsoleted by RFC 9082 | Proposed Standard | March 2015 |
| 7208 | Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1S. Kitterman | Proposed Standard | April 2014 |
| 7151 | File Transfer Protocol HOST Command for Virtual HostsP. Hethmon, R. McMurray | Proposed Standard | March 2014 |
| 7089 | HTTP Framework for Time-Based Access to Resource States -- MementoH. Van de Sompel, M. Nelson, R. Sanderson | Informational | December 2013 |
| 6991 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 9911 | Proposed Standard | July 2013 |
| 6943 | Issues in Identifier Comparison for Security PurposesD. Thaler, Ed. | Informational | May 2013 |
| 6912 | Principles for Unicode Code Point Inclusion in Labels in the DNSA. Sullivan, D. Thaler, J. Klensin, O. Kolkman | Informational | April 2013 |
| 6648 | Deprecating the "X-" Prefix and Similar Constructs in Application ProtocolsP. Saint-Andre, D. Crocker, M. Nottingham | Best Current Practice | June 2012 |
| 6530 | Overview and Framework for Internationalized EmailJ. Klensin, Y. Ko | Proposed Standard | February 2012 |
| 6384 | An FTP Application Layer Gateway (ALG) for IPv6-to-IPv4 TranslationI. van Beijnum | Proposed Standard | October 2011 |
| 6365 | Terminology Used in Internationalization in the IETFP. Hoffman, J. Klensin | Best Current Practice | September 2011 |
| 6353 | Transport Layer Security (TLS) Transport Model for the Simple Network Management Protocol (SNMP)W. Hardaker | Internet Standard | July 2011 |
| 6272 | Internet Protocols for the Smart GridF. Baker, D. Meyer | Informational | June 2011 |
| 6265 | HTTP State Management MechanismA. Barth | Proposed Standard | April 2011 |
| 6055 | IAB Thoughts on Encodings for Internationalized Domain NamesD. Thaler, J. Klensin, S. Cheshire | Informational | February 2011 |
| 6050 | A Session Initiation Protocol (SIP) Extension for the Identification of ServicesK. Drage | Informational | November 2010 |
| 6021 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 6991 | Proposed Standard | October 2010 |
| 5966 | DNS Transport over TCP - Implementation RequirementsR. Bellis · obsoleted by RFC 7766 | Proposed Standard | August 2010 |
| 5936 | DNS Zone Transfer Protocol (AXFR)E. Lewis, A. Hoenes, Ed. | Proposed Standard | June 2010 |
| 5894 | Internationalized Domain Names for Applications (IDNA): Background, Explanation, and RationaleJ. Klensin | Informational | August 2010 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 5797 | FTP Command and Extension RegistryJ. Klensin, A. Hoenes | Proposed Standard | March 2010 |
| 5732 | Extensible Provisioning Protocol (EPP) Host MappingS. Hollenbeck | Internet Standard | August 2009 |
| 5731 | Extensible Provisioning Protocol (EPP) Domain Name MappingS. Hollenbeck | Internet Standard | August 2009 |
| 5625 | DNS Proxy Implementation GuidelinesR. Bellis | Best Current Practice | August 2009 |
| 5507 | Design Choices When Expanding the DNSIAB, P. Faltstrom, Ed., R. Austein, Ed., P. Koch, Ed. | Informational | April 2009 |
| 5505 | Principles of Internet Host ConfigurationB. Aboba, D. Thaler, L. Andersson, S. Cheshire | Informational | May 2009 |
| 5461 | TCP's Reaction to Soft ErrorsF. Gont | Informational | February 2009 |
| 5452 | Measures for Making DNS More Resilient against Forged AnswersA. Hubert, R. van Mook | Proposed Standard | January 2009 |
| 5322 | Internet Message FormatP. Resnick, Ed. | Draft Standard | October 2008 |
| 5321 | Simple Mail Transfer ProtocolJ. Klensin | Draft Standard | October 2008 |
| 5280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileD. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk | Proposed Standard | May 2008 |
| 5031 | A Uniform Resource Name (URN) for Emergency and Other Well-Known ServicesH. Schulzrinne | Proposed Standard | January 2008 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 4948 | Report from the IAB workshop on Unwanted Traffic March 9-10, 2006L. Andersson, E. Davies, L. Zhang | Informational | August 2007 |
| 4932 | Extensible Provisioning Protocol (EPP) Host MappingS. Hollenbeck · obsoleted by RFC 5732 | Draft Standard | May 2007 |
| 4931 | Extensible Provisioning Protocol (EPP) Domain Name MappingS. Hollenbeck · obsoleted by RFC 5731 | Draft Standard | May 2007 |
| 4710 | Real-time Application Quality-of-Service Monitoring (RAQMON) FrameworkA. Siddiqui, D. Romascanu, E. Golovinsky | Proposed Standard | October 2006 |
| 4702 | The Dynamic Host Configuration Protocol (DHCP) Client Fully Qualified Domain Name (FQDN) OptionM. Stapp, B. Volz, Y. Rekhter | Proposed Standard | October 2006 |
| 4677 | The Tao of IETF - A Novice's Guide to the Internet Engineering Task ForceP. Hoffman, S. Harris · obsoleted by RFC 6722 | Informational | September 2006 |
| 4524 | COSINE LDAP/X.500 SchemaK. Zeilenga, Ed. | Proposed Standard | June 2006 |
| 4519 | Lightweight Directory Access Protocol (LDAP): Schema for User ApplicationsA. Sciberras, Ed. | Proposed Standard | June 2006 |
| 4483 | A Mechanism for Content Indirection in Session Initiation Protocol (SIP) MessagesE. Burger, Ed. | Proposed Standard | May 2006 |
| 4414 | An ENUM Registry Type for the Internet Registry Information Service (IRIS)A. Newton | Proposed Standard | February 2006 |
| 4409 | Message Submission for MailR. Gellens, J. Klensin · obsoleted by RFC 6409 | Draft Standard | April 2006 |
| 4408 | Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1M. Wong, W. Schlitt · obsoleted by RFC 7208 | Experimental | April 2006 |
| 4185 | National and Local Characters for DNS Top Level Domain (TLD) NamesJ. Klensin | Informational | October 2005 |
| 4078 | The TV-Anytime Content Reference Identifier (CRID)N. Earnshaw, S. Aoki, A. Ashley, W. Kameyama | Informational | May 2005 |
| 4021 | Registration of Mail and MIME Header FieldsG. Klyne, J. Palme | Proposed Standard | March 2005 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 3982 | IRIS: A Domain Registry (dreg) Type for the Internet Registry Information Service (IRIS)A. Newton, M. Sanz | Proposed Standard | January 2005 |
| 3965 | A Simple Mode of Facsimile Using Internet MailK. Toyoda, H. Ohno, J. Murai, D. Wing | Draft Standard | December 2004 |
| 3875 | The Common Gateway Interface (CGI) Version 1.1D. Robinson, K. Coar | Informational | October 2004 |
| 3868 | Signalling Connection Control Part User Adaptation Layer (SUA)J. Loughney, Ed., G. Sidebottom, L. Coene, G. Verwimp, J. Keller, B. Bidulock | Proposed Standard | October 2004 |
| 3833 | Threat Analysis of the Domain Name System (DNS)D. Atkins, R. Austein | Informational | August 2004 |
| 3801 | Voice Profile for Internet Mail - version 2 (VPIMv2)G. Vaudreuil, G. Parsons | Draft Standard | June 2004 |
| 3795 | Survey of IPv4 Addresses in Currently Deployed IETF Application Area Standards Track and Experimental DocumentsR. Sofia, P. Nesser, II | Informational | June 2004 |
| 3794 | Survey of IPv4 Addresses in Currently Deployed IETF Transport Area Standards Track and Experimental DocumentsP. Nesser, II, A. Bergstrom, Ed. | Informational | June 2004 |
| 3732 | Extensible Provisioning Protocol (EPP) Host MappingS. Hollenbeck · obsoleted by RFC 4932 | Proposed Standard | March 2004 |
| 3731 | Extensible Provisioning Protocol (EPP) Domain Name MappingS. Hollenbeck · obsoleted by RFC 4931 | Proposed Standard | March 2004 |
| 3696 | Application Techniques for Checking and Transformation of NamesJ. Klensin | Informational | February 2004 |
| 3659 | Extensions to FTPP. Hethmon | Proposed Standard | March 2007 |
| 3597 | Handling of Unknown DNS Resource Record (RR) TypesA. Gustafsson | Proposed Standard | September 2003 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3507 | Internet Content Adaptation Protocol (ICAP)J. Elson, A. Cerpa | Informational | April 2003 |
| 3490 | Internationalizing Domain Names in Applications (IDNA)P. Faltstrom, P. Hoffman, A. Costello · obsoleted by RFC 5890, RFC 5891 | Proposed Standard | March 2003 |
| 3464 | An Extensible Message Format for Delivery Status NotificationsK. Moore, G. Vaudreuil | Draft Standard | January 2003 |
| 3461 | Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs)K. Moore | Draft Standard | January 2003 |
| 3339 | Date and Time on the Internet: TimestampsG. Klyne, C. Newman | Proposed Standard | July 2002 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |
| 3260 | New Terminology and Clarifications for DiffservD. Grossman | Informational | April 2002 |
| 3252 | Binary Lexical Octet Ad-hoc TransportH. Kennedy | Informational | 1 April 2002 |
| 3219 | Telephony Routing over IP (TRIP)J. Rosenberg, H. Salama, M. Squire | Proposed Standard | January 2002 |
| 3196 | Internet Printing Protocol/1.1: Implementor's GuideT. Hastings, C. Manros, P. Zehler, C. Kugler, H. Holst | Informational | November 2001 |
| 3192 | Minimal FAX address format in Internet MailC. Allocchio | Draft Standard | October 2001 |
| 3191 | Minimal GSTN address format in Internet MailC. Allocchio | Draft Standard | October 2001 |
| 3160 | The Tao of IETF - A Novice's Guide to the Internet Engineering Task ForceS. Harris · obsoleted by RFC 4677 | Informational | August 2001 |
| 3028 | Sieve: A Mail Filtering LanguageT. Showalter · obsoleted by RFC 5228, RFC 5429 | Proposed Standard | January 2001 |
| 3022 | Traditional IP Network Address Translator (Traditional NAT)P. Srisuresh, K. Egevang | Informational | January 2001 |
| 2993 | Architectural Implications of NATT. Hain | Informational | November 2000 |
| 2964 | Use of HTTP State ManagementK. Moore, N. Freed | Best Current Practice | October 2000 |
| 2960 | Stream Control Transmission ProtocolR. Stewart, Q. Xie, K. Morneault, C. Sharp, H. Schwarzbauer, T. Taylor, I. Rytina, M. Kalla, L. Zhang, V. Paxson · obsoleted by RFC 4960 | Proposed Standard | October 2000 |
| 2920 | SMTP Service Extension for Command PipeliningN. Freed | Internet Standard | September 2000 |
| 2910 | Internet Printing Protocol/1.1: Encoding and TransportR. Herriot, Ed., S. Butler, P. Moore, R. Turner, J. Wenn · obsoleted by RFC 8010 | Proposed Standard | September 2000 |
| 2852 | Deliver By SMTP Service ExtensionD. Newman | Proposed Standard | June 2000 |
| 2846 | GSTN Address Element Extensions in E-mail ServicesC. Allocchio | Proposed Standard | June 2000 |
| 2825 | A Tangled Web: Issues of I18N, Domain Names, and the Other Internet protocolsIAB, L. Daigle, Ed. | Informational | May 2000 |
| 2821 | Simple Mail Transfer ProtocolJ. Klensin, Ed. · obsoleted by RFC 5321 | Proposed Standard | April 2001 |
| 2812 | Internet Relay Chat: Client ProtocolC. Kalt | Informational | April 2000 |
| 2694 | DNS extensions to Network Address Translators (DNS_ALG)P. Srisuresh, G. Tsirtsis, P. Akkiraju, A. Heffernan | Informational | September 1999 |
| 2663 | IP Network Address Translator (NAT) Terminology and ConsiderationsP. Srisuresh, M. Holdrege | Informational | August 1999 |
| 2640 | Internationalization of the File Transfer ProtocolB. Curtin | Proposed Standard | July 1999 |
| 2639 | Internet Printing Protocol/1.0: Implementer's GuideT. Hastings, C. Manros · obsoleted by RFC 3196 | Informational | July 1999 |
| 2635 | DON'T SPEW A Set of Guidelines for Mass Unsolicited Mailings and Postings (spam*)S. Hambridge, A. Lunde | Informational | June 1999 |
| 2626 | The Internet and the Millennium Problem (Year 2000)P. Nesser II | Informational | June 1999 |
| 2616 | Hypertext Transfer Protocol -- HTTP/1.1R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P. Leach, T. Berners-Lee · obsoleted by RFC 7230, RFC 7231, RFC 7232, RFC 7233, RFC 7234, RFC 7235 | Draft Standard | June 1999 |
| 2565 | Internet Printing Protocol/1.0: Encoding and TransportR. Herriot, Ed., S. Butler, P. Moore, R. Turner · obsoleted by RFC 2910 | Experimental | April 1999 |
| 2557 | MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)J. Palme, A. Hopmann, N. Shelness | Proposed Standard | March 1999 |
| 2543 | SIP: Session Initiation ProtocolM. Handley, H. Schulzrinne, E. Schooler, J. Rosenberg · obsoleted by RFC 3261, RFC 3262, RFC 3263, RFC 3264, RFC 3265 | Proposed Standard | March 1999 |
| 2542 | Terminology and Goals for Internet FaxL. Masinter | Informational | March 1999 |
| 2505 | Anti-Spam Recommendations for SMTP MTAsG. Lindberg | Best Current Practice | February 1999 |
| 2500 | Internet Official Protocol StandardsJ. Reynolds, R. Braden · obsoleted by RFC 2600 | Historic | June 1999 |
| 2480 | Gateways and MIME Security MultipartsN. Freed | Proposed Standard | January 1999 |
| 2476 | Message SubmissionR. Gellens, J. Klensin · obsoleted by RFC 4409 | Proposed Standard | December 1998 |
| 2442 | The Batch SMTP Media TypeN. Freed, D. Newman, J. Belissent, M. Hoy | Informational | November 1998 |
| 2421 | Voice Profile for Internet Mail - version 2G. Vaudreuil, G. Parsons · obsoleted by RFC 3801 | Proposed Standard | September 1998 |
| 2400 | Internet Official Protocol StandardsJ. Postel, J. Reynolds · obsoleted by RFC 2500 | Historic | September 1998 |
| 2396 | Uniform Resource Identifiers (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter · obsoleted by RFC 3986 | Draft Standard | August 1998 |
| 2391 | Load Sharing using IP Network Address Translation (LSNAT)P. Srisuresh, D. Gan | Informational | August 1998 |
| 2360 | Guide for Internet Standards WritersG. Scott | Best Current Practice | June 1998 |
| 2326 | Real Time Streaming Protocol (RTSP)H. Schulzrinne, A. Rao, R. Lanphier · obsoleted by RFC 7826 | Proposed Standard | April 1998 |
| 2305 | A Simple Mode of Facsimile Using Internet MailK. Toyoda, H. Ohno, J. Murai, D. Wing · obsoleted by RFC 3965 | Proposed Standard | March 1998 |
| 2304 | Minimal FAX address format in Internet MailC. Allocchio · obsoleted by RFC 3192 | Proposed Standard | March 1998 |
| 2303 | Minimal PSTN address format in Internet MailC. Allocchio · obsoleted by RFC 3191 | Proposed Standard | March 1998 |
| 2300 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 2400 | Historic | May 1998 |
| 2298 | An Extensible Message Format for Message Disposition NotificationsR. Fajman · obsoleted by RFC 3798 | Proposed Standard | March 1998 |
| 2228 | FTP Security ExtensionsM. Horowitz, S. Lunt | Proposed Standard | October 1997 |
| 2219 | Use of DNS Aliases for Network ServicesM. Hamilton, R. Wright | Best Current Practice | October 1997 |
| 2200 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 2300 | Historic | June 1997 |
| 2181 | Clarifications to the DNS SpecificationR. Elz, R. Bush | Proposed Standard | July 1997 |
| 2168 | Resolution of Uniform Resource Identifiers using the Domain Name SystemR. Daniel, M. Mealling · obsoleted by RFC 3401, RFC 3402, RFC 3403, RFC 3404 | Experimental | June 1997 |
| 2156 | MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIMES. Kille | Proposed Standard | January 1998 |
| 2131 | Dynamic Host Configuration ProtocolR. Droms | Draft Standard | March 1997 |
| 2110 | MIME E-mail Encapsulation of Aggregate Documents, such as HTML (MHTML)J. Palme, A. Hopmann · obsoleted by RFC 2557 | Proposed Standard | March 1997 |
| 2083 | PNG (Portable Network Graphics) Specification Version 1.0T. Boutell | Historic | March 1997 |
| 2076 | Common Internet Message HeadersJ. Palme | Informational | February 1997 |
| 2068 | Hypertext Transfer Protocol -- HTTP/1.1R. Fielding, J. Gettys, J. Mogul, H. Frystyk, T. Berners-Lee · obsoleted by RFC 2616 | Proposed Standard | January 1997 |
| 2046 | Multipurpose Internet Mail Extensions (MIME) Part Two: Media TypesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2045 | Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message BodiesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2033 | Local Mail Transfer ProtocolJ. Myers | Informational | October 1996 |
| 2000 | Internet Official Protocol StandardsJ. Postel, Ed. · obsoleted by RFC 2200 | Historic | February 1997 |
| 1945 | Hypertext Transfer Protocol -- HTTP/1.0T. Berners-Lee, R. Fielding, H. Frystyk | Informational | May 1996 |
| 1920 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 2000 | Historic | March 1996 |
| 1912 | Common DNS Operational and Configuration ErrorsD. Barr | Informational | February 1996 |
| 1894 | An Extensible Message Format for Delivery Status NotificationsK. Moore, G. Vaudreuil · obsoleted by RFC 3464 | Proposed Standard | January 1996 |
| 1891 | SMTP Service Extension for Delivery Status NotificationsK. Moore · obsoleted by RFC 3461 | Proposed Standard | January 1996 |
| 1889 | RTP: A Transport Protocol for Real-Time ApplicationsAudio-Video Transport Working Group, H. Schulzrinne, S. Casner, R. Frederick, V. Jacobson · obsoleted by RFC 3550 | Proposed Standard | January 1996 |
| 1880 | Internet Official Protocol StandardsJ. Postel, Ed. · obsoleted by RFC 1920 | Historic | November 1995 |
| 1878 | Variable Length Subnet Table For IPv4T. Pummill, B. Manning | Historic | December 1995 |
| 1869 | SMTP Service ExtensionsJ. Klensin, N. Freed, M. Rose, E. Stefferud, D. Crocker · obsoleted by RFC 2821 | Internet Standard | November 1995 |
| 1849 | "Son of 1036": News Article Format and TransmissionH. Spencer · obsoleted by RFC 5536, RFC 5537 | Historic | March 2010 |
| 1846 | SMTP 521 Reply CodeA. Durand, F. Dupont | Experimental | September 1995 |
| 1845 | SMTP Service Extension for Checkpoint/RestartD. Crocker, N. Freed, A. Cargille | Experimental | September 1995 |
| 1812 | Requirements for IP Version 4 RoutersF. Baker, Ed. | Proposed Standard | June 1995 |
| 1800 | Internet Official Protocol StandardsJ. Postel, Ed. · obsoleted by RFC 1880 | Historic | July 1995 |
| 1780 | Internet Official Protocol StandardsJ. Postel, Ed. · obsoleted by RFC 1800 | Historic | March 1995 |
| 1767 | MIME Encapsulation of EDI ObjectsD. Crocker | Proposed Standard | March 1995 |
| 1745 | BGP4/IDRP for IP---OSPF InteractionK. Varadhan, S. Hares, Y. Rekhter | Historic | December 1994 |
| 1738 | Uniform Resource Locators (URL)T. Berners-Lee, L. Masinter, M. McCahill · obsoleted by RFC 4248, RFC 4266 | Proposed Standard | December 1994 |
| 1720 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 1780 | Historic | November 1994 |
| 1716 | Towards Requirements for IP RoutersP. Almquist, F. Kastenholz · obsoleted by RFC 1812 | Informational | November 1994 |
| 1711 | Classifications in E-mail RoutingJ. Houttuin | Informational | October 1994 |
| 1651 | SMTP Service ExtensionsJ. Klensin, N. Freed, M. Rose, E. Stefferud, D. Crocker · obsoleted by RFC 1869 | Draft Standard | July 1994 |
| 1649 | Operational Requirements for X.400 Management Domains in the GO-MHS CommunityR. Hagens, A. Hansen | Informational | July 1994 |
| 1648 | Postmaster Convention for X.400 OperationsA. Cargille | Historic | July 1994 |
| 1639 | FTP Operation Over Big Address Records (FOOBAR)D. Piscitello | Experimental | June 1994 |
| 1612 | DNS Resolver MIB ExtensionsR. Austein, J. Saperia | Historic | May 1994 |
| 1611 | DNS Server MIB ExtensionsR. Austein, J. Saperia | Historic | May 1994 |
| 1610 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 1720 | Historic | July 1994 |
| 1600 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 1610 | Historic | March 1994 |
| 1591 | Domain Name System Structure and DelegationJ. Postel | Informational | March 1994 |
| 1579 | Firewall-Friendly FTPS. Bellovin | Informational | February 1994 |
| 1545 | FTP Operation Over Big Address Records (FOOBAR)D. Piscitello · obsoleted by RFC 1639 | Experimental | November 1993 |
| 1541 | Dynamic Host Configuration ProtocolR. Droms · obsoleted by RFC 2131 | Proposed Standard | October 1993 |
| 1540 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 1600 | Historic | October 1993 |
| 1531 | Dynamic Host Configuration ProtocolR. Droms · obsoleted by RFC 1541 | Proposed Standard | October 1993 |
| 1521 | MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message BodiesN. Borenstein, N. Freed · obsoleted by RFC 2045, RFC 2046, RFC 2047, RFC 2048, RFC 2049 | Draft Standard | September 1993 |
| 1506 | A Tutorial on Gatewaying between X.400 and Internet MailJ. Houttuin | Informational | August 1993 |
| 1500 | Internet Official Protocol StandardsJ. Postel · obsoleted by RFC 1540 | Historic | August 1993 |
| 1455 | Physical Link Security Type of ServiceD. Eastlake 3rd · obsoleted by RFC 2474 | Experimental | May 1993 |
| 1425 | SMTP Service ExtensionsJ. Klensin, N. Freed, Ed., M. Rose, E. Stefferud, D. Crocker · obsoleted by RFC 1651 | Proposed Standard | February 1993 |
| 1410 | IAB Official Protocol StandardsJ. Postel, Ed. · obsoleted by RFC 1500 | Historic | March 1993 |
| 1403 | BGP OSPF InteractionK. Varadhan | Historic | January 1993 |
| 1360 | IAB Official Protocol StandardsJ. Postel · obsoleted by RFC 1410 | Historic | September 1992 |
| 1350 | The TFTP Protocol (Revision 2)K. Sollins | Internet Standard | July 1992 |
| 1349 | Type of Service in the Internet Protocol SuiteP. Almquist · obsoleted by RFC 2474 | Proposed Standard | July 1992 |
| 1341 | MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message BodiesN. Borenstein, N. Freed · obsoleted by RFC 1521 | Proposed Standard | June 1992 |
| 1310 | The Internet Standards ProcessL. Chapin · obsoleted by RFC 1602 | Informational | March 1992 |
| 1280 | IAB Official Protocol StandardsJ. Postel · obsoleted by RFC 1360 | Historic | March 1992 |
| 1250 | IAB Official Protocol StandardsJ. Postel · obsoleted by RFC 1280, RFC 2200 | Historic | August 1991 |
| 1207 | FYI on Questions and Answers: Answers to commonly asked "experienced Internet user" questionsG.S. Malkin, A.N. Marine, J.K. Reynolds | Informational | February 1991 |
| 1200 | IAB official protocol standardsDefense Advanced Research Projects Agency, Internet Activities Board · obsoleted by RFC 1250 | Historic | April 1991 |
| 1175 | FYI on where to start: A bibliography of internetworking informationK.L. Bowers, T.L. LaQuey, J.K. Reynolds, K. Roubicek, M.K. Stahl, A. Yuan | Informational | August 1990 |
| 1153 | Digest message formatF.J. Wancho | Experimental | April 1990 |
| 1148 | Mapping between X.400(1988) / ISO 10021 and RFC 822S.E. Kille · obsoleted by RFC 1327, RFC 2156 | Experimental | March 1990 |
| 1147 | FYI on a Network Management Tool Catalog: Tools for Monitoring and Debugging TCP/IP Internets and Interconnected DevicesR.H. Stine · obsoleted by RFC 1470 | Informational | April 1990 |
| 1143 | The Q Method of Implementing TELNET Option NegotiationD.J. Bernstein | Experimental | February 1990 |
| 1140 | IAB official protocol standardsDefense Advanced Research Projects Agency, Internet Activities Board · obsoleted by RFC 1200 | Historic | May 1990 |
| 1138 | Mapping between X.400(1988) / ISO 10021 and RFC 822S.E. Kille · obsoleted by RFC 1327, RFC 2156 | Experimental | December 1989 |
| 1130 | IAB official protocol standardsDefense Advanced Research Projects Agency, Internet Activities Board · obsoleted by RFC 1140 | Historic | October 1989 |
| 1127 | Perspective on the Host Requirements RFCsR.T. Braden | Informational | October 1989 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |