| 9664 | An EDNS(0) Option to Negotiate Leases on DNS UpdatesS. Cheshire, T. Lemon | Proposed Standard | June 2025 |
| 9415 | On the Generation of Transient Numeric IdentifiersF. Gont, I. Arce | Informational | July 2023 |
| 9329 | TCP Encapsulation of Internet Key Exchange Protocol (IKE) and IPsec PacketsT. Pauly, V. Smyslov | Proposed Standard | November 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 |
| 9109 | Network Time Protocol Version 4: Port RandomizationF. Gont, G. Gont, M. Lichvar | Proposed Standard | August 2021 |
| 8765 | DNS Push NotificationsT. Pusateri, S. Cheshire | Proposed Standard | June 2020 |
| 8764 | Apple's DNS Long-Lived Queries ProtocolS. Cheshire, M. Krochmal | Informational | June 2020 |
| 7675 | Session Traversal Utilities for NAT (STUN) Usage for Consent FreshnessM. Perumal, D. Wing, R. Ravindranath, T. Reddy, M. Thomson | Proposed Standard | October 2015 |
| 7599 | Mapping of Address and Port using Translation (MAP-T)X. Li, C. Bao, W. Dec, Ed., O. Troan, S. Matsushima, T. Murakami | Proposed Standard | July 2015 |
| 7597 | Mapping of Address and Port with Encapsulation (MAP-E)O. Troan, Ed., W. Dec, X. Li, C. Bao, S. Matsushima, T. Murakami, T. Taylor, Ed. | Proposed Standard | July 2015 |
| 7414 | A Roadmap for Transmission Control Protocol (TCP) Specification DocumentsM. Duke, R. Braden, W. Eddy, E. Blanton, A. Zimmermann | Informational | February 2015 |
| 6959 | Source Address Validation Improvement (SAVI) Threat ScopeD. McPherson, F. Baker, J. Halpern | Informational | May 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 |
| 6614 | Transport Layer Security (TLS) Encryption for RADIUSS. Winter, M. McCauley, S. Venaas, K. Wierenga | Experimental | May 2012 |
| 6056 | Recommendations for Transport-Protocol Port RandomizationM. Larsen, F. Gont | Best Current Practice | January 2011 |
| 6013 | TCP Cookie Transactions (TCPCT)W. Simpson · obsoleted by RFC 7805 | Historic | January 2011 |
| 5961 | Improving TCP's Robustness to Blind In-Window AttacksA. Ramaiah, R. Stewart, M. Dalal | Proposed Standard | August 2010 |
| 5927 | ICMP Attacks against TCPF. Gont | Informational | July 2010 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 5387 | Problem and Applicability Statement for Better-Than-Nothing Security (BTNS)J. Touch, D. Black, Y. Wang | Informational | November 2008 |
| 5382 | NAT Behavioral Requirements for TCPS. Guha, Ed., K. Biswas, B. Ford, S. Sivakumar, P. Srisuresh | Best Current Practice | October 2008 |