| 8221 | Cryptographic Algorithm Implementation Requirements and Usage Guidance for Encapsulating Security Payload (ESP) and Authentication Header (AH)P. Wouters, D. Migault, J. Mattsson, Y. Nir, T. Kivinen | Proposed Standard | October 2017 |
| 7321 | Cryptographic Algorithm Implementation Requirements and Usage Guidance for Encapsulating Security Payload (ESP) and Authentication Header (AH)D. McGrew, P. Hoffman · obsoleted by RFC 8221 | Proposed Standard | August 2014 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 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 |
| 4949 | Internet Security Glossary, Version 2R. Shirey | Informational | August 2007 |
| 4835 | Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)V. Manral · obsoleted by RFC 7321 | Proposed Standard | April 2007 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 4305 | Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)D. Eastlake 3rd · obsoleted by RFC 4835 | Proposed Standard | December 2005 |
| 4294 | IPv6 Node RequirementsJ. Loughney, Ed. · obsoleted by RFC 6434 | Informational | April 2006 |
| 4172 | iFCP - A Protocol for Internet Fibre Channel Storage NetworkingC. Monia, R. Mullendore, F. Travostino, W. Jeong, M. Edwards | Proposed Standard | September 2005 |
| 4051 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd · obsoleted by RFC 6931 | Proposed Standard | April 2005 |
| 3961 | Encryption and Checksum Specifications for Kerberos 5K. Raeburn | Proposed Standard | February 2005 |
| 3792 | Survey of IPv4 Addresses in Currently Deployed IETF Security Area Standards Track and Experimental DocumentsP. Nesser, II, A. Bergstrom, Ed. | Informational | June 2004 |
| 3723 | Securing Block Storage Protocols over IPB. Aboba, J. Tseng, J. Walker, V. Rangan, F. Travostino | Proposed Standard | April 2004 |
| 3316 | Internet Protocol Version 6 (IPv6) for Some Second and Third Generation Cellular HostsJ. Arkko, G. Kuijpers, H. Soliman, J. Loughney, J. Wiljakka · obsoleted by RFC 7066 | Informational | May 2003 |
| 2828 | Internet Security GlossaryR. Shirey · obsoleted by RFC 4949 | Informational | May 2000 |
| 2451 | The ESP CBC-Mode Cipher AlgorithmsR. Pereira, R. Adams | Proposed Standard | November 1998 |
| 2411 | IP Security Document RoadmapR. Thayer, N. Doraswamy, R. Glenn · obsoleted by RFC 6071 | Informational | November 1998 |
| 2409 | The Internet Key Exchange (IKE)D. Harkins, D. Carrel · obsoleted by RFC 4306 | Historic | November 1998 |
| 2407 | The Internet IP Security Domain of Interpretation for ISAKMPD. Piper · obsoleted by RFC 4306 | Historic | November 1998 |
| 2406 | IP Encapsulating Security Payload (ESP)S. Kent, R. Atkinson · obsoleted by RFC 4303, RFC 4305 | Proposed Standard | November 1998 |