| 9639 | Free Lossless Audio Codec (FLAC)M.Q.C. van Beurden, A. Weaver | Proposed Standard | December 2024 |
| 9559 | Matroska Media Container Format SpecificationS. Lhomme, M. Bunkus, D. Rice | Proposed Standard | October 2024 |
| 9520 | Negative Caching of DNS Resolution FailuresD. Wessels, W. Carroll, M. Thomas | Proposed Standard | December 2023 |
| 9284 | Multihoming Deployment Considerations for DDoS Open Threat Signaling (DOTS)M. Boucadair, T. Reddy.K, W. Pan | Informational | August 2022 |
| 9244 | Distributed Denial-of-Service Open Threat Signaling (DOTS) TelemetryM. Boucadair, Ed., T. Reddy.K, Ed., E. Doron, M. Chen, J. Shallow | Proposed Standard | June 2022 |
| 9132 | Distributed Denial-of-Service Open Threat Signaling (DOTS) Signal Channel SpecificationM. Boucadair, Ed., J. Shallow, T. Reddy.K | Proposed Standard | September 2021 |
| 9066 | Distributed Denial-of-Service Open Threat Signaling (DOTS) Signal Channel Call HomeT. Reddy.K, M. Boucadair, Ed., J. Shallow | Proposed Standard | December 2021 |
| 9043 | FFV1 Video Coding Format Versions 0, 1, and 3M. Niedermayer, D. Rice, J. Martinez | Informational | August 2021 |
| 8996 | Deprecating TLS 1.0 and TLS 1.1K. Moriarty, S. Farrell | Best Current Practice | March 2021 |
| 8954 | Online Certificate Status Protocol (OCSP) Nonce ExtensionM. Sahni, Ed. · obsoleted by RFC 9654 | Proposed Standard | November 2020 |
| 8811 | DDoS Open Threat Signaling (DOTS) ArchitectureA. Mortensen, Ed., T. Reddy.K, Ed., F. Andreasen, N. Teague, R. Compton | Informational | August 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 |
| 8759 | RTP Payload for Timed Text Markup Language (TTML)J. Sandford | Proposed Standard | March 2020 |
| 8612 | DDoS Open Threat Signaling (DOTS) RequirementsA. Mortensen, T. Reddy, R. Moskowitz | Informational | May 2019 |
| 8075 | Guidelines for Mapping Implementations: HTTP to the Constrained Application Protocol (CoAP)A. Castellani, S. Loreto, A. Rahman, T. Fossati, E. Dijk | Proposed Standard | February 2017 |
| 7877 | Session Peering Provisioning Framework (SPPF)K. Cartwright, V. Bhatia, S. Ali, D. Schwartz | Proposed Standard | August 2016 |
| 7845 | Ogg Encapsulation for the Opus Audio CodecT. Terriberry, R. Lee, R. Giles | Proposed Standard | April 2016 |
| 7481 | Security Services for the Registration Data Access Protocol (RDAP)S. Hollenbeck, N. Kong | Internet Standard | March 2015 |
| 7416 | A Security Threat Analysis for the Routing Protocol for Low-Power and Lossy Networks (RPLs)T. Tsao, R. Alexander, M. Dohler, V. Daza, A. Lozano, M. Richardson, Ed. | Informational | January 2015 |
| 7094 | Architectural Considerations of IP AnycastD. McPherson, D. Oran, D. Thaler, E. Osterweil | Informational | January 2014 |
| 6960 | X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPS. Santesson, M. Myers, R. Ankney, A. Malpani, S. Galperin, C. Adams | Proposed Standard | June 2013 |
| 6952 | Analysis of BGP, LDP, PCEP, and MSDP Issues According to the Keying and Authentication for Routing Protocols (KARP) Design GuideM. Jethanandani, K. Patel, L. Zheng | Informational | May 2013 |
| 6950 | Architectural Considerations on Application Features in the DNSJ. Peterson, O. Kolkman, H. Tschofenig, B. Aboba | Informational | October 2013 |
| 6797 | HTTP Strict Transport Security (HSTS)J. Hodges, C. Jackson, A. Barth | Proposed Standard | November 2012 |
| 6716 | Definition of the Opus Audio CodecJM. Valin, K. Vos, T. Terriberry | Proposed Standard | September 2012 |
| 6620 | FCFS SAVI: First-Come, First-Served Source Address Validation Improvement for Locally Assigned IPv6 AddressesE. Nordmark, M. Bagnulo, E. Levy-Abegnoli | Proposed Standard | May 2012 |
| 6583 | Operational Neighbor Discovery ProblemsI. Gashinsky, J. Jaeggli, W. Kumari | Informational | March 2012 |
| 6569 | Guidelines for Development of an Audio Codec within the IETFJM. Valin, S. Borilin, K. Vos, C. Montgomery, R. Chen | Informational | March 2012 |
| 6503 | Centralized Conferencing Manipulation ProtocolM. Barnes, C. Boulton, S. Romano, H. Schulzrinne | Proposed Standard | March 2012 |
| 6437 | IPv6 Flow Label SpecificationS. Amante, B. Carpenter, S. Jiang, J. Rajahalme | Proposed Standard | November 2011 |
| 6429 | TCP Sender Clarification for Persist ConditionM. Bashyam, M. Jethanandani, A. Ramaiah · obsoleted by RFC 9293 | Informational | December 2011 |
| 6404 | Session PEERing for Multimedia INTerconnect (SPEERMINT) Security Threats and Suggested CountermeasuresJ. Seedorf, S. Niccolini, E. Chen, H. Scholz | Informational | November 2011 |
| 6398 | IP Router Alert Considerations and UsageF. Le Faucheur, Ed. | Best Current Practice | October 2011 |
| 6386 | VP8 Data Format and Decoding GuideJ. Bankoski, J. Koleszar, L. Quillio, J. Salonen, P. Wilkins, Y. Xu | Informational | November 2011 |
| 6376 | DomainKeys Identified Mail (DKIM) SignaturesD. Crocker, Ed., T. Hansen, Ed., M. Kucherawy, Ed. | Internet Standard | September 2011 |
| 6357 | Design Considerations for Session Initiation Protocol (SIP) Overload ControlV. Hilt, E. Noel, C. Shen, A. Abdelal | Informational | August 2011 |
| 6329 | IS-IS Extensions Supporting IEEE 802.1aq Shortest Path BridgingD. Fedyk, Ed., P. Ashwood-Smith, Ed., D. Allan, A. Bragg, P. Unbehagen | Proposed Standard | April 2012 |
| 6324 | Routing Loop Attack Using IPv6 Automatic Tunnels: Problem Statement and Proposed MitigationsG. Nakibly, F. Templin | Informational | August 2011 |
| 6277 | Online Certificate Status Protocol Algorithm AgilityS. Santesson, P. Hallam-Baker · obsoleted by RFC 6960 | Proposed Standard | June 2011 |
| 6249 | Metalink/HTTP: Mirrors and HashesA. Bryan, N. McNab, T. Tsujikawa, P. Poeml, H. Nordstrom | Proposed Standard | June 2011 |
| 6202 | Known Issues and Best Practices for the Use of Long Polling and Streaming in Bidirectional HTTPS. Loreto, P. Saint-Andre, S. Salsano, G. Wilkins | Informational | April 2011 |
| 6121 | Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and PresenceP. Saint-Andre | Proposed Standard | March 2011 |
| 6120 | Extensible Messaging and Presence Protocol (XMPP): CoreP. Saint-Andre | Proposed Standard | March 2011 |
| 6062 | Traversal Using Relays around NAT (TURN) Extensions for TCP AllocationsS. Perreault, Ed., J. Rosenberg | Proposed Standard | November 2010 |
| 6029 | A Survey on Research on the Application-Layer Traffic Optimization (ALTO) ProblemI. Rimac, V. Hilt, M. Tomsu, V. Gurbani, E. Marocco | Informational | October 2010 |
| 6013 | TCP Cookie Transactions (TCPCT)W. Simpson · obsoleted by RFC 7805 | Historic | January 2011 |
| 5951 | Network Management Requirements for MPLS-based Transport NetworksK. Lam, S. Mansfield, E. Gray | Proposed Standard | September 2010 |