| 2104 | HMAC: Keyed-Hashing for Message AuthenticationH. Krawczyk, M. Bellare, R. Canetti | Informational | February 1997 |
| 2385 | Protection of BGP Sessions via the TCP MD5 Signature OptionA. Heffernan · obsoleted by RFC 5925 | Proposed Standard | August 1998 |
| 3209 | RSVP-TE: Extensions to RSVP for LSP TunnelsD. Awduche, L. Berger, D. Gan, T. Li, V. Srinivasan, G. Swallow | Proposed Standard | December 2001 |
| 3618 | Multicast Source Discovery Protocol (MSDP)B. Fenner, Ed., D. Meyer, Ed. | Experimental | October 2003 |
| 4271 | A Border Gateway Protocol 4 (BGP-4)Y. Rekhter, Ed., T. Li, Ed., S. Hares, Ed. | Draft Standard | January 2006 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4595 | Use of IKEv2 in the Fibre Channel Security Association Management ProtocolF. Maino, D. Black | Informational | July 2006 |
| 4674 | Requirements for Path Computation Element (PCE) DiscoveryJ.L. Le Roux, Ed. | Informational | October 2006 |
| 4732 | Internet Denial-of-Service ConsiderationsM. Handley, Ed., E. Rescorla, Ed., IAB | Informational | December 2006 |
| 4948 | Report from the IAB workshop on Unwanted Traffic March 9-10, 2006L. Andersson, E. Davies, L. Zhang | Informational | August 2007 |
| 4953 | Defending TCP Against Spoofing AttacksJ. Touch | Informational | July 2007 |
| 5036 | LDP SpecificationL. Andersson, Ed., I. Minei, Ed., B. Thomas, Ed. | Draft Standard | October 2007 |
| 5082 | The Generalized TTL Security Mechanism (GTSM)V. Gill, J. Heasley, D. Meyer, P. Savola, Ed., C. Pignataro | Proposed Standard | October 2007 |
| 5088 | OSPF Protocol Extensions for Path Computation Element (PCE) DiscoveryJL. Le Roux, Ed., JP. Vasseur, Ed., Y. Ikejiri, R. Zhang | Proposed Standard | January 2008 |
| 5089 | IS-IS Protocol Extensions for Path Computation Element (PCE) DiscoveryJL. Le Roux, Ed., JP. Vasseur, Ed., Y. Ikejiri, R. Zhang | Proposed Standard | January 2008 |
| 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 |
| 5440 | Path Computation Element (PCE) Communication Protocol (PCEP)JP. Vasseur, Ed., JL. Le Roux, Ed. | Proposed Standard | March 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 5926 | Cryptographic Algorithms for the TCP Authentication Option (TCP-AO)G. Lebovitz, E. Rescorla | Proposed Standard | June 2010 |
| 5961 | Improving TCP's Robustness to Blind In-Window AttacksA. Ramaiah, R. Stewart, M. Dalal | Proposed Standard | August 2010 |
| 5996 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen · obsoleted by RFC 7296 | Proposed Standard | September 2010 |
| 6039 | Issues with Existing Cryptographic Protection Methods for Routing ProtocolsV. Manral, M. Bhatia, J. Jaeggli, R. White | Informational | October 2010 |
| 6151 | Updated Security Considerations for the MD5 Message-Digest and the HMAC-MD5 AlgorithmsS. Turner, L. Chen | Informational | March 2011 |
| 6480 | An Infrastructure to Support Secure Internet RoutingM. Lepinski, S. Kent | Informational | February 2012 |
| 6518 | Keying and Authentication for Routing Protocols (KARP) Design GuidelinesG. Lebovitz, M. Bhatia | Informational | February 2012 |
| 6863 | Analysis of OSPF Security According to the Keying and Authentication for Routing Protocols (KARP) Design GuideS. Hartman, D. Zhang | Informational | March 2013 |