| 9768 | More Accurate Explicit Congestion Notification (AccECN) Feedback in TCPB. Briscoe, M. Kühlewind, R. Scheffenegger | Proposed Standard | April 2026 |
| 9329 | TCP Encapsulation of Internet Key Exchange Protocol (IKE) and IPsec PacketsT. Pauly, V. Smyslov | Proposed Standard | November 2022 |
| 9312 | Manageability of the QUIC Transport ProtocolM. Kühlewind, B. Trammell | Informational | September 2022 |
| 9293 | Transmission Control Protocol (TCP)W. Eddy, Ed. | Internet Standard | August 2022 |
| 9210 | DNS Transport over TCP - Operational RequirementsJ. Kristoff, D. Wessels | Best Current Practice | March 2022 |
| 9132 | Distributed Denial-of-Service Open Threat Signaling (DOTS) Signal Channel SpecificationM. Boucadair, Ed., J. Shallow, T. Reddy.K | Proposed Standard | September 2021 |
| 8967 | MAC Authentication for the Babel Routing ProtocolC. Dô, W. Kolodziejak, J. Chroboczek | Proposed Standard | January 2021 |
| 8923 | A Minimal Set of Transport Services for End SystemsM. Welzl, S. Gjessing | Informational | October 2020 |
| 8803 | 0-RTT TCP Convert ProtocolO. Bonaventure, Ed., M. Boucadair, Ed., S. Gundavelli, S. Seo, B. Hesmans | Experimental | July 2020 |
| 8782 | Distributed Denial-of-Service Open Threat Signaling (DOTS) Signal Channel SpecificationT. Reddy.K, Ed., M. Boucadair, Ed., P. Patil, A. Mortensen, N. Teague · obsoleted by RFC 9132 | Proposed Standard | May 2020 |
| 8684 | TCP Extensions for Multipath Operation with Multiple AddressesA. Ford, C. Raiciu, M. Handley, O. Bonaventure, C. Paasch | Proposed Standard | March 2020 |
| 8547 | TCP-ENO: Encryption Negotiation OptionA. Bittau, D. Giffin, M. Handley, D. Mazieres, E. Smith | Experimental | May 2019 |
| 8085 | UDP Usage GuidelinesL. Eggert, G. Fairhurst, G. Shepherd | Best Current Practice | March 2017 |
| 8041 | Use Cases and Operational Experience with Multipath TCPO. Bonaventure, C. Paasch, G. Detal | Informational | January 2017 |
| 7430 | Analysis of Residual Threats and Possible Fixes for Multipath TCP (MPTCP)M. Bagnulo, C. Paasch, F. Gont, O. Bonaventure, C. Raiciu | Informational | July 2015 |
| 7414 | A Roadmap for Transmission Control Protocol (TCP) Specification DocumentsM. Duke, R. Braden, W. Eddy, E. Blanton, A. Zimmermann | Informational | February 2015 |
| 7413 | TCP Fast OpenY. Cheng, J. Chu, S. Radhakrishnan, A. Jain | Experimental | December 2014 |
| 7404 | Using Only Link-Local Addressing inside an IPv6 NetworkM. Behringer, E. Vyncke | Informational | November 2014 |
| 6333 | Dual-Stack Lite Broadband Deployments Following IPv4 ExhaustionA. Durand, R. Droms, J. Woodyatt, Y. Lee | Proposed Standard | August 2011 |
| 6274 | Security Assessment of the Internet Protocol Version 4F. Gont | Informational | July 2011 |
| 6272 | Internet Protocols for the Smart GridF. Baker, D. Meyer | Informational | June 2011 |
| 6191 | Reducing the TIME-WAIT State Using TCP TimestampsF. Gont | Best Current Practice | April 2011 |
| 6182 | Architectural Guidelines for Multipath TCP DevelopmentA. Ford, C. Raiciu, M. Handley, S. Barre, J. Iyengar | Informational | March 2011 |
| 6013 | TCP Cookie Transactions (TCPCT)W. Simpson · obsoleted by RFC 7805 | Historic | January 2011 |
| 5562 | Adding Explicit Congestion Notification (ECN) Capability to TCP's SYN/ACK PacketsA. Kuzmanovic, A. Mondal, S. Floyd, K. Ramakrishnan | Experimental | June 2009 |
| 5482 | TCP User Timeout OptionL. Eggert, F. Gont | Proposed Standard | March 2009 |
| 5405 | Unicast UDP Usage Guidelines for Application DesignersL. Eggert, G. Fairhurst · obsoleted by RFC 8085 | Best Current Practice | November 2008 |