| 1123 | Requirements for Internet Hosts - Application and SupportR. Braden, Ed. | Internet Standard | October 1989 |
| 1984 | IAB and IESG Statement on Cryptographic Technology and the InternetIAB, IESG | Best Current Practice | August 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2131 | Dynamic Host Configuration ProtocolR. Droms | Draft Standard | March 1997 |
| 2818 | HTTP Over TLSE. Rescorla · obsoleted by RFC 9110 | Informational | May 2000 |
| 3553 | An IETF URN Sub-namespace for Registered Protocol ParametersM. Mealling, L. Masinter, T. Hardie, G. Klyne | Best Current Practice | June 2003 |
| 3629 | UTF-8, a transformation format of ISO 10646F. Yergeau | Internet Standard | November 2003 |
| 3748 | Extensible Authentication Protocol (EAP)B. Aboba, L. Blunk, J. Vollbrecht, J. Carlson, H. Levkowetz, Ed. | Proposed Standard | June 2004 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 3987 | Internationalized Resource Identifiers (IRIs)M. Duerst, M. Suignard | Proposed Standard | January 2005 |
| 5234 | Augmented BNF for Syntax Specifications: ABNFD. Crocker, Ed., P. Overell | Internet Standard | January 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 |
| 5652 | Cryptographic Message Syntax (CMS)R. Housley | Internet Standard | September 2009 |
| 5905 | Network Time Protocol Version 4: Protocol and Algorithms SpecificationD. Mills, J. Martin, Ed., J. Burbank, W. Kasch | Proposed Standard | June 2010 |
| 5912 | New ASN.1 Modules for the Public Key Infrastructure Using X.509 (PKIX)P. Hoffman, J. Schaad | Informational | June 2010 |
| 6092 | Recommended Simple Security Capabilities in Customer Premises Equipment (CPE) for Providing Residential IPv6 Internet ServiceJ. Woodyatt, Ed. | Informational | January 2011 |
| 6268 | Additional New ASN.1 Modules for the Cryptographic Message Syntax (CMS) and the Public Key Infrastructure Using X.509 (PKIX)J. Schaad, S. Turner | Informational | July 2011 |
| 6335 | Internet Assigned Numbers Authority (IANA) Procedures for the Management of the Service Name and Transport Protocol Port Number RegistryM. Cotton, L. Eggert, J. Touch, M. Westerlund, S. Cheshire | Best Current Practice | August 2011 |
| 6872 | The Common Log Format (CLF) for the Session Initiation Protocol (SIP): Framework and Information ModelV. Gurbani, Ed., E. Burger, Ed., T. Anjali, H. Abdelnur, O. Festor | Proposed Standard | February 2013 |
| 6991 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 9911 | Proposed Standard | July 2013 |
| 7042 | IANA Considerations and IETF Protocol and Documentation Usage for IEEE 802 ParametersD. Eastlake 3rd, J. Abley · obsoleted by RFC 9542 | Best Current Practice | October 2013 |
| 7120 | Early IANA Allocation of Standards Track Code PointsM. Cotton | Best Current Practice | January 2014 |
| 7170 | Tunnel Extensible Authentication Protocol (TEAP) Version 1H. Zhou, N. Cam-Winget, J. Salowey, S. Hanna · obsoleted by RFC 9930 | Proposed Standard | May 2014 |
| 7227 | Guidelines for Creating New DHCPv6 OptionsD. Hankins, T. Mrugalski, M. Siodelski, S. Jiang, S. Krishnan | Best Current Practice | May 2014 |
| 7230 | Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and RoutingR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110, RFC 9112 | Proposed Standard | June 2014 |
| 7231 | Hypertext Transfer Protocol (HTTP/1.1): Semantics and ContentR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7252 | The Constrained Application Protocol (CoAP)Z. Shelby, K. Hartke, C. Bormann | Proposed Standard | June 2014 |
| 7452 | Architectural Considerations in Smart Object NetworkingH. Tschofenig, J. Arkko, D. Thaler, D. McPherson | Informational | March 2015 |
| 7488 | Port Control Protocol (PCP) Server SelectionM. Boucadair, R. Penno, D. Wing, P. Patil, T. Reddy | Proposed Standard | March 2015 |
| 7610 | DHCPv6-Shield: Protecting against Rogue DHCPv6 ServersF. Gont, W. Liu, G. Van de Velde | Best Current Practice | August 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7950 | The YANG 1.1 Data Modeling LanguageM. Bjorklund, Ed. | Proposed Standard | August 2016 |
| 7951 | JSON Encoding of Data Modeled with YANGL. Lhotka | Proposed Standard | August 2016 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8259 | The JavaScript Object Notation (JSON) Data Interchange FormatT. Bray, Ed. | Internet Standard | December 2017 |
| 8340 | YANG Tree DiagramsM. Bjorklund, L. Berger, Ed. | Best Current Practice | March 2018 |
| 8343 | A YANG Data Model for Interface ManagementM. Bjorklund | Proposed Standard | March 2018 |
| 8348 | A YANG Data Model for Hardware ManagementA. Bierman, M. Bjorklund, J. Dong, D. Romascanu | Proposed Standard | March 2018 |
| 8407 | Guidelines for Authors and Reviewers of Documents Containing YANG Data ModelsA. Bierman · obsoleted by RFC 9907 | Best Current Practice | October 2018 |
| 8415 | Dynamic Host Configuration Protocol for IPv6 (DHCPv6)T. Mrugalski, M. Siodelski, B. Volz, A. Yourtchenko, M. Richardson, S. Jiang, T. Lemon, T. Winters · obsoleted by RFC 9915 | Proposed Standard | November 2018 |
| 8519 | YANG Data Model for Network Access Control Lists (ACLs)M. Jethanandani, S. Agarwal, L. Huang, D. Blair | Proposed Standard | March 2019 |