| 6071 | IP Security (IPsec) and Internet Key Exchange (IKE) Document RoadmapS. Frankel, S. Krishnan | Informational | February 2011 |
| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |
| 5495 | Description of the Resource Reservation Protocol - Traffic-Engineered (RSVP-TE) Graceful Restart ProceduresD. Li, J. Gao, A. Satyanarayana, S. Bardalai | Informational | March 2009 |
| 5251 | Layer 1 VPN Basic ModeD. Fedyk, Ed., Y. Rekhter, Ed., D. Papadimitriou, R. Rabbat, L. Berger | Proposed Standard | July 2008 |
| 4494 | The AES-CMAC-96 Algorithm and Its Use with IPsecJH. Song, R. Poovendran, J. Lee | Proposed Standard | June 2006 |
| 4312 | The Camellia Cipher Algorithm and Its Use With IPsecA. Kato, S. Moriai, M. Kanda | Proposed Standard | December 2005 |
| 4309 | Using Advanced Encryption Standard (AES) CCM Mode with IPsec Encapsulating Security Payload (ESP)R. Housley | Proposed Standard | December 2005 |
| 4294 | IPv6 Node RequirementsJ. Loughney, Ed. · obsoleted by RFC 6434 | Informational | April 2006 |
| 4255 | Using DNS to Securely Publish Secure Shell (SSH) Key FingerprintsJ. Schlyter, W. Griffin | Proposed Standard | January 2006 |
| 4196 | The SEED Cipher Algorithm and Its Use with IPsecH.J. Lee, J.H. Yoon, S.L. Lee, J.I. Lee | Proposed Standard | October 2005 |
| 4161 | Guidelines for Optional Services for Internet Fax GatewaysK. Mimura, K. Yokoyama, T. Satoh, K. Watanabe, C. Kanaide | Informational | September 2005 |
| 4160 | Internet Fax Gateway RequirementsK. Mimura, K. Yokoyama, T. Satoh, C. Kanaide, C. Allocchio | Informational | September 2005 |
| 4153 | XML Voucher: Generic Voucher LanguageK. Fujimura, M. Terada, D. Eastlake 3rd | Informational | September 2005 |
| 4112 | Electronic Commerce Modeling Language (ECML) Version 2 SpecificationD. Eastlake 3rd | Proposed Standard | June 2005 |
| 4111 | Security Framework for Provider-Provisioned Virtual Private Networks (PPVPNs)L. Fang, Ed. | Informational | July 2005 |
| 3930 | The Protocol versus Document Points of View in Computer ProtocolsD. Eastlake 3rd | Informational | October 2004 |
| 3686 | Using Advanced Encryption Standard (AES) Counter Mode With IPsec Encapsulating Security Payload (ESP)R. Housley | Proposed Standard | January 2004 |
| 3631 | Security Mechanisms for the InternetS. Bellovin, Ed., J. Schiller, Ed., C. Kaufman, Ed. | Informational | December 2003 |
| 3602 | The AES-CBC Cipher Algorithm and Its Use with IPsecS. Frankel, R. Glenn, S. Kelly | Proposed Standard | September 2003 |
| 3566 | The AES-XCBC-MAC-96 Algorithm and Its Use With IPsecS. Frankel, H. Herbert | Proposed Standard | September 2003 |
| 3525 | Gateway Control Protocol Version 1C. Groves, Ed., M. Pantaleo, Ed., T. Anderson, Ed., T. Taylor, Ed. · obsoleted by RFC 5125 | Historic | June 2003 |
| 3365 | Strong Security Requirements for Internet Engineering Task Force Standard ProtocolsJ. Schiller | Best Current Practice | August 2002 |
| 3106 | ECML v1.1: Field Specifications for E-CommerceD. Eastlake 3rd, T. Goldstein | Informational | April 2001 |
| 3027 | Protocol Complications with the IP Network Address TranslatorM. Holdrege, P. Srisuresh | Informational | January 2001 |
| 3015 | Megaco Protocol Version 1.0F. Cuervo, N. Greene, A. Rayhan, C. Huitema, B. Rosen, J. Segers · obsoleted by RFC 3525 | Proposed Standard | November 2000 |
| 2885 | Megaco Protocol version 0.8F. Cuervo, N. Greene, C. Huitema, A. Rayhan, B. Rosen, J. Segers · obsoleted by RFC 3015 | Historic | August 2000 |
| 2857 | The Use of HMAC-RIPEMD-160-96 within ESP and AHA. Keromytis, N. Provos | Proposed Standard | June 2000 |
| 2706 | ECML v1: Field Names for E-CommerceD. Eastlake 3rd, T. Goldstein · obsoleted by RFC 3106 | Informational | October 1999 |
| 2451 | The ESP CBC-Mode Cipher AlgorithmsR. Pereira, R. Adams | Proposed Standard | November 1998 |
| 2410 | The NULL Encryption Algorithm and Its Use With IPsecR. Glenn, S. Kent | Proposed Standard | November 1998 |
| 2405 | The ESP DES-CBC Cipher Algorithm With Explicit IVC. Madson, N. Doraswamy | Proposed Standard | November 1998 |
| 2404 | The Use of HMAC-SHA-1-96 within ESP and AHC. Madson, R. Glenn | Proposed Standard | November 1998 |
| 2403 | The Use of HMAC-MD5-96 within ESP and AHC. Madson, R. Glenn | Proposed Standard | November 1998 |
| 2401 | Security Architecture for the Internet ProtocolS. Kent, R. Atkinson · obsoleted by RFC 4301 | Proposed Standard | November 1998 |