| 760 | DoD standard Internet ProtocolJ. Postel · obsoleted by RFC 791 | Unknown | January 1980 |
| 1958 | Architectural Principles of the InternetB. Carpenter, Ed. | Informational | June 1996 |
| 3117 | On the Design of Application ProtocolsM. Rose | Informational | November 2001 |
| 4271 | A Border Gateway Protocol 4 (BGP-4)Y. Rekhter, Ed., T. Li, Ed., S. Hares, Ed. | Draft Standard | January 2006 |
| 5218 | What Makes for a Successful Protocol?D. Thaler, B. Aboba | Informational | July 2008 |
| 5704 | Uncoordinated Protocol Development Considered HarmfulS. Bryant, Ed., M. Morrow, Ed., IAB | Informational | November 2009 |
| 6151 | Updated Security Considerations for the MD5 Message-Digest and the HMAC-MD5 AlgorithmsS. Turner, L. Chen | Informational | March 2011 |
| 6709 | Design Considerations for Protocol ExtensionsB. Carpenter, B. Aboba, Ed., S. Cheshire | Informational | September 2012 |
| 6891 | Extension Mechanisms for DNS (EDNS(0))J. Damas, M. Graff, P. Vixie | Internet Standard | April 2013 |
| 7568 | Deprecating Secure Sockets Layer Version 3.0R. Barnes, M. Thomson, A. Pironti, A. Langley | Proposed Standard | June 2015 |
| 7606 | Revised Error Handling for BGP UPDATE MessagesE. Chen, Ed., J. Scudder, Ed., P. Mohapatra, K. Patel | Proposed Standard | August 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8914 | Extended DNS ErrorsW. Kumari, E. Hunt, R. Arends, W. Hardaker, D. Lawrence | Proposed Standard | October 2020 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 2021 |
| 9110 | HTTP SemanticsR. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. | Internet Standard | June 2022 |
| 9113 | HTTP/2M. Thomson, Ed., C. Benfield, Ed. | Proposed Standard | June 2022 |
| 9170 | Long-Term Viability of Protocol Extension MechanismsM. Thomson, T. Pauly | Informational | December 2021 |