| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 5482 | TCP User Timeout OptionL. Eggert, F. Gont | Proposed Standard | March 2009 |
| 6265 | HTTP State Management MechanismA. Barth | Proposed Standard | April 2011 |
| 7556 | Multiple Provisioning Domain ArchitectureD. Anipko, Ed. | Informational | June 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8095 | Services Provided by IETF Transport Protocols and Congestion Control MechanismsG. Fairhurst, Ed., B. Trammell, Ed., M. Kuehlewind, Ed. | Informational | March 2017 |
| 8170 | Planning for Protocol Adoption and Subsequent TransitionsD. Thaler, Ed. | Informational | May 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8303 | On the Usage of Transport Features Provided by IETF Transport ProtocolsM. Welzl, M. Tuexen, N. Khademi | Informational | February 2018 |
| 8305 | Happy Eyeballs Version 2: Better Connectivity Using ConcurrencyD. Schinazi, T. Pauly | Proposed Standard | December 2017 |
| 8445 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) TraversalA. Keranen, C. Holmberg, J. Rosenberg | Proposed Standard | July 2018 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8489 | Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D. Wing, R. Mahy, P. Matthews | Proposed Standard | February 2020 |
| 8922 | A Survey of the Interaction between Security Protocols and Transport ServicesT. Enghardt, T. Pauly, C. Perkins, K. Rose, C. Wood | Informational | October 2020 |
| 8923 | A Minimal Set of Transport Services for End SystemsM. Welzl, S. Gjessing | Informational | October 2020 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 2021 |
| 9112 | HTTP/1.1R. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. | Internet Standard | June 2022 |
| 9113 | HTTP/2M. Thomson, Ed., C. Benfield, Ed. | Proposed Standard | June 2022 |
| 9293 | Transmission Control Protocol (TCP)W. Eddy, Ed. | Internet Standard | August 2022 |
| 9622 | An Abstract Application Programming Interface (API) for Transport ServicesB. Trammell, Ed., M. Welzl, Ed., R. Enghardt, G. Fairhurst, M. Kühlewind, C. S. Perkins, P.S. Tiesel, T. Pauly | Proposed Standard | January 2025 |
| 9623 | Implementing Interfaces to Transport ServicesA. Brunstrom, Ed., T. Pauly, Ed., R. Enghardt, P.S. Tiesel, M. Welzl | Informational | January 2025 |