| 8996 | Deprecating TLS 1.0 and TLS 1.1K. Moriarty, S. Farrell | Best Current Practice | March 2021 |
| 8489 | Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D. Wing, R. Mahy, P. Matthews | Proposed Standard | February 2020 |
| 8445 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) TraversalA. Keranen, C. Holmberg, J. Rosenberg | Proposed Standard | July 2018 |
| 7825 | A Network Address Translator (NAT) Traversal Mechanism for Media Controlled by the Real-Time Streaming Protocol (RTSP)J. Goldberg, M. Westerlund, T. Zeng | Proposed Standard | December 2016 |
| 7659 | Definitions of Managed Objects for Network Address Translators (NATs)S. Perreault, T. Tsou, S. Sivakumar, T. Taylor | Proposed Standard | October 2015 |
| 7604 | Comparison of Different NAT Traversal Techniques for Media Controlled by the Real-Time Streaming Protocol (RTSP)M. Westerlund, T. Zeng | Informational | September 2015 |
| 7362 | Latching: Hosted NAT Traversal (HNT) for Media in Real-Time CommunicationE. Ivov, H. Kaplan, D. Wing | Informational | September 2014 |
| 7350 | Datagram Transport Layer Security (DTLS) as Transport for Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro | Proposed Standard | August 2014 |
| 7059 | A Comparison of IPv6-over-IPv4 Tunnel MechanismsS. Steffann, I. van Beijnum, R. van Rein | Informational | November 2013 |
| 5780 | NAT Behavior Discovery Using Session Traversal Utilities for NAT (STUN)D. MacDonald, B. Lowekamp | Experimental | May 2010 |
| 5626 | Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)C. Jennings, Ed., R. Mahy, Ed., F. Audet, Ed. | Proposed Standard | October 2009 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5245 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer ProtocolsJ. Rosenberg · obsoleted by RFC 8445, RFC 8839 | Proposed Standard | April 2010 |
| 5207 | NAT and Firewall Traversal Issues of Host Identity Protocol (HIP) CommunicationM. Stiemerling, J. Quittek, L. Eggert | Informational | April 2008 |
| 5189 | Middlebox Communication (MIDCOM) Protocol SemanticsM. Stiemerling, J. Quittek, T. Taylor | Proposed Standard | March 2008 |
| 5128 | State of Peer-to-Peer (P2P) Communication across Network Address Translators (NATs)P. Srisuresh, B. Ford, D. Kegel | Informational | March 2008 |
| 5118 | Session Initiation Protocol (SIP) Torture Test Messages for Internet Protocol Version 6 (IPv6)V. Gurbani, C. Boulton, R. Sparks | Informational | February 2008 |
| 4924 | Reflections on Internet TransparencyB. Aboba, Ed., E. Davies | Informational | July 2007 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 4555 | IKEv2 Mobility and Multihoming Protocol (MOBIKE)P. Eronen | Proposed Standard | June 2006 |
| 4540 | NEC's Simple Middlebox Configuration (SIMCO) Protocol Version 3.0M. Stiemerling, J. Quittek, C. Cadar | Experimental | May 2006 |
| 4504 | SIP Telephony Device Requirements and ConfigurationH. Sinnreich, Ed., S. Lass, C. Stredicke | Informational | May 2006 |
| 4380 | Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)C. Huitema | Proposed Standard | February 2006 |
| 4101 | Writing Protocol ModelsE. Rescorla, IAB | Informational | June 2005 |
| 4080 | Next Steps in Signaling (NSIS): FrameworkR. Hancock, G. Karagiannis, J. Loughney, S. Van den Bosch | Informational | June 2005 |
| 4008 | Definitions of Managed Objects for Network Address Translators (NAT)R. Rohit, P. Srisuresh, R. Raghunarayan, N. Pai, C. Wang · obsoleted by RFC 7658 | Proposed Standard | March 2005 |
| 3989 | Middlebox Communications (MIDCOM) Protocol SemanticsM. Stiemerling, J. Quittek, T. Taylor · obsoleted by RFC 5189 | Informational | February 2005 |
| 3960 | Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP)G. Camarillo, H. Schulzrinne | Informational | December 2004 |
| 3959 | The Early Session Disposition Type for the Session Initiation Protocol (SIP)G. Camarillo | Proposed Standard | December 2004 |
| 3904 | Evaluation of IPv6 Transition Mechanisms for Unmanaged NetworksC. Huitema, R. Austein, S. Satapati, R. van der Pol | Informational | September 2004 |
| 3605 | Real Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP)C. Huitema | Proposed Standard | October 2003 |
| 3581 | An Extension to the Session Initiation Protocol (SIP) for Symmetric Response RoutingJ. Rosenberg, H. Schulzrinne | Proposed Standard | August 2003 |