| 5709 | OSPFv2 HMAC-SHA Cryptographic AuthenticationM. Bhatia, V. Manral, M. Fanto, R. White, M. Barnes, T. Li, R. Atkinson | Proposed Standard | October 2009 |
| 5304 | IS-IS Cryptographic AuthenticationT. Li, R. Atkinson | Proposed Standard | October 2008 |
| 4822 | RIPv2 Cryptographic AuthenticationR. Atkinson, M. Fanto | Proposed Standard | February 2007 |
| 4750 | OSPF Version 2 Management Information BaseD. Joyal, Ed., P. Galecki, Ed., S. Giacalone, Ed. | Proposed Standard | December 2006 |
| 4643 | Network News Transfer Protocol (NNTP) Extension for AuthenticationJ. Vinocur, K. Murchison | Proposed Standard | October 2006 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 3871 | Operational Security Requirements for Large Internet Service Provider (ISP) IP Network InfrastructureG. Jones, Ed. | Informational | September 2004 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 3182 | Identity Representation for RSVPS. Yadav, R. Yavatkar, R. Pabbati, P. Ford, T. Moore, S. Herzog, R. Hess | Proposed Standard | October 2001 |
| 2945 | The SRP Authentication and Key Exchange SystemT. Wu | Proposed Standard | September 2000 |
| 2752 | Identity Representation for RSVPS. Yadav, R. Yavatkar, R. Pabbati, P. Ford, T. Moore, S. Herzog · obsoleted by RFC 3182 | Proposed Standard | January 2000 |
| 2595 | Using TLS with IMAP, POP3 and ACAPC. Newman | Proposed Standard | June 1999 |
| 2401 | Security Architecture for the Internet ProtocolS. Kent, R. Atkinson · obsoleted by RFC 4301 | Proposed Standard | November 1998 |
| 2337 | Intra-LIS IP multicast among routers over ATM using Sparse Mode PIMD. Farinacci, D. Meyer, Y. Rekhter | Experimental | April 1998 |
| 2289 | A One-Time Password SystemN. Haller, C. Metz, P. Nesser, M. Straw | Internet Standard | February 1998 |
| 2082 | RIP-2 MD5 AuthenticationF. Baker, R. Atkinson · obsoleted by RFC 4822 | Proposed Standard | January 1997 |
| 1949 | Scalable Multicast Key DistributionA. Ballardie | Experimental | May 1996 |
| 1938 | A One-Time Password SystemN. Haller, C. Metz · obsoleted by RFC 2289 | Proposed Standard | May 1996 |
| 1825 | Security Architecture for the Internet ProtocolR. Atkinson · obsoleted by RFC 2401 | Proposed Standard | August 1995 |