| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2409 | The Internet Key Exchange (IKE)D. Harkins, D. Carrel · obsoleted by RFC 4306 | Historic | November 1998 |
| 2627 | Key Management for Multicast: Issues and ArchitecturesD. Wallner, E. Harder, R. Agee | Informational | June 1999 |
| 3686 | Using Advanced Encryption Standard (AES) Counter Mode With IPsec Encapsulating Security Payload (ESP)R. Housley | Proposed Standard | January 2004 |
| 3740 | The Multicast Group Security ArchitectureT. Hardjono, B. Weis | Informational | March 2004 |
| 3948 | UDP Encapsulation of IPsec ESP PacketsA. Huttunen, B. Swander, V. Volpe, L. DiBurro, M. Stenberg | Proposed Standard | January 2005 |
| 4046 | Multicast Security (MSEC) Group Key Management ArchitectureM. Baugher, R. Canetti, L. Dondeti, F. Lindholm | Informational | May 2005 |
| 4106 | The Use of Galois/Counter Mode (GCM) in IPsec Encapsulating Security Payload (ESP)J. Viega, D. McGrew | Proposed Standard | June 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4302 | IP Authentication HeaderS. Kent | Proposed Standard | December 2005 |
| 4303 | IP Encapsulating Security Payload (ESP)S. Kent | Proposed Standard | December 2005 |
| 4309 | Using Advanced Encryption Standard (AES) CCM Mode with IPsec Encapsulating Security Payload (ESP)R. Housley | Proposed Standard | December 2005 |
| 4543 | The Use of Galois Message Authentication Code (GMAC) in IPsec ESP and AHD. McGrew, J. Viega | Proposed Standard | May 2006 |
| 5280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileD. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk | Proposed Standard | May 2008 |
| 5374 | Multicast Extensions to the Security Architecture for the Internet ProtocolB. Weis, G. Gross, D. Ignjatic | Proposed Standard | November 2008 |
| 5649 | Advanced Encryption Standard (AES) Key Wrap with Padding AlgorithmR. Housley, M. Dworkin | Informational | September 2009 |
| 5685 | Redirect Mechanism for the Internet Key Exchange Protocol Version 2 (IKEv2)V. Devarapalli, K. Weniger | Proposed Standard | November 2009 |
| 5723 | Internet Key Exchange Protocol Version 2 (IKEv2) Session ResumptionY. Sheffer, H. Tschofenig | Proposed Standard | January 2010 |
| 5998 | An Extension for EAP-Only Authentication in IKEv2P. Eronen, H. Tschofenig, Y. Sheffer | Proposed Standard | September 2010 |
| 6054 | Using Counter Modes with Encapsulating Security Payload (ESP) and Authentication Header (AH) to Protect Group TrafficD. McGrew, B. Weis | Proposed Standard | November 2010 |
| 6407 | The Group Domain of InterpretationB. Weis, S. Rowles, T. Hardjono · obsoleted by RFC 9838 | Proposed Standard | October 2011 |
| 6467 | Secure Password Framework for Internet Key Exchange Version 2 (IKEv2)T. Kivinen | Informational | December 2011 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 7383 | Internet Key Exchange Protocol Version 2 (IKEv2) Message FragmentationV. Smyslov | Proposed Standard | November 2014 |
| 7427 | Signature Authentication in the Internet Key Exchange Version 2 (IKEv2)T. Kivinen, J. Snyder | Proposed Standard | January 2015 |
| 7634 | ChaCha20, Poly1305, and Their Use in the Internet Key Exchange Protocol (IKE) and IPsecY. Nir | Proposed Standard | August 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8052 | Group Domain of Interpretation (GDOI) Protocol Support for IEC 62351 Security ServicesB. Weis, M. Seewald, H. Falk | Proposed Standard | June 2017 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8263 | Group Domain of Interpretation (GDOI) GROUPKEY-PUSH Acknowledgement MessageB. Weis, U. Mangla, T. Karl, N. Maheshwari | Proposed Standard | November 2017 |
| 8750 | Implicit Initialization Vector (IV) for Counter-Based Ciphers in Encapsulating Security Payload (ESP)D. Migault, T. Guggemos, Y. Nir | Proposed Standard | March 2020 |
| 8784 | Mixing Preshared Keys in the Internet Key Exchange Protocol Version 2 (IKEv2) for Post-quantum SecurityS. Fluhrer, P. Kampanakis, D. McGrew, V. Smyslov | Proposed Standard | June 2020 |
| 9242 | Intermediate Exchange in the Internet Key Exchange Protocol Version 2 (IKEv2)V. Smyslov | Proposed Standard | May 2022 |
| 9329 | TCP Encapsulation of Internet Key Exchange Protocol (IKE) and IPsec PacketsT. Pauly, V. Smyslov | Proposed Standard | November 2022 |
| 9347 | Aggregation and Fragmentation Mode for Encapsulating Security Payload (ESP) and Its Use for IP Traffic Flow Security (IP-TFS)C. Hopps | Proposed Standard | January 2023 |
| 9370 | Multiple Key Exchanges in the Internet Key Exchange Protocol Version 2 (IKEv2)CJ. Tjhai, M. Tomlinson, G. Bartlett, S. Fluhrer, D. Van Geest, O. Garcia-Morchon, V. Smyslov | Proposed Standard | May 2023 |
| 9827 | Renaming the Extended Sequence Numbers (ESN) Transform Type in the Internet Key Exchange Protocol Version 2 (IKEv2)V. Smyslov | Proposed Standard | November 2025 |
| 9867 | Mixing Preshared Keys in the IKE_INTERMEDIATE and CREATE_CHILD_SA Exchanges of the Internet Key Exchange Protocol Version 2 (IKEv2) for Post-Quantum SecurityV. Smyslov | Proposed Standard | November 2025 |