| 9109 | Network Time Protocol Version 4: Port RandomizationF. Gont, G. Gont, M. Lichvar | Proposed Standard | August 2021 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 6889 | Analysis of Stateful 64 TranslationR. Penno, T. Saxena, M. Boucadair, S. Sivakumar | Informational | April 2013 |
| 6740 | Identifier-Locator Network Protocol (ILNP) Architectural DescriptionRJ Atkinson, SN Bhatti | Experimental | November 2012 |
| 6346 | The Address plus Port (A+P) Approach to the IPv4 Address ShortageR. Bush, Ed. | Experimental | August 2011 |
| 6272 | Internet Protocols for the Smart GridF. Baker, D. Meyer | Informational | June 2011 |
| 6269 | Issues with IP Address SharingM. Ford, Ed., M. Boucadair, A. Durand, P. Levis, P. Roberts | Informational | June 2011 |
| 6071 | IP Security (IPsec) and Internet Key Exchange (IKE) Document RoadmapS. Frankel, S. Krishnan | Informational | February 2011 |
| 5996 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen · obsoleted by RFC 7296 | Proposed Standard | September 2010 |
| 5458 | Security Requirements for the Unidirectional Lightweight Encapsulation (ULE) ProtocolH. Cruickshank, P. Pillai, M. Noisternig, S. Iyengar | Informational | March 2009 |
| 5406 | Guidelines for Specifying the Use of IPsec Version 2S. Bellovin | Best Current Practice | February 2009 |
| 5207 | NAT and Firewall Traversal Issues of Host Identity Protocol (HIP) CommunicationM. Stiemerling, J. Quittek, L. Eggert | Informational | April 2008 |
| 4891 | Using IPsec to Secure IPv6-in-IPv4 TunnelsR. Graveman, M. Parthasarathy, P. Savola, H. Tschofenig | Informational | May 2007 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 4093 | Problem Statement: Mobile IPv4 Traversal of Virtual Private Network (VPN) GatewaysF. Adrangi, Ed., H. Levkowetz, Ed. | Informational | August 2005 |
| 3948 | UDP Encapsulation of IPsec ESP PacketsA. Huttunen, B. Swander, V. Volpe, L. DiBurro, M. Stenberg | Proposed Standard | January 2005 |
| 3947 | Negotiation of NAT-Traversal in the IKET. Kivinen, B. Swander, A. Huttunen, V. Volpe | Proposed Standard | January 2005 |
| 3723 | Securing Block Storage Protocols over IPB. Aboba, J. Tseng, J. Walker, V. Rangan, F. Travostino | Proposed Standard | April 2004 |