| 6740 | Identifier-Locator Network Protocol (ILNP) Architectural DescriptionRJ Atkinson, SN Bhatti | Experimental | November 2012 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 3108 | Conventions for the use of the Session Description Protocol (SDP) for ATM Bearer ConnectionsR. Kumar, M. Mostafa | Proposed Standard | May 2001 |
| 2841 | IP Authentication using Keyed SHA1 with Interleaved Padding (IP-MAC)P. Metzger, W. Simpson | Historic | November 2000 |
| 2407 | The Internet IP Security Domain of Interpretation for ISAKMPD. Piper · obsoleted by RFC 4306 | Historic | November 1998 |
| 2402 | IP Authentication HeaderS. Kent, R. Atkinson · obsoleted by RFC 4302, RFC 4305 | Proposed Standard | November 1998 |
| 2374 | An IPv6 Aggregatable Global Unicast Address FormatR. Hinden, M. O'Dell, S. Deering · obsoleted by RFC 3587 | Historic | July 1998 |
| 2373 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering · obsoleted by RFC 3513 | Proposed Standard | July 1998 |
| 2367 | PF_KEY Key Management API, Version 2D. McDonald, C. Metz, B. Phan | Informational | July 1998 |
| 2356 | Sun's SKIP Firewall Traversal for Mobile IPG. Montenegro, V. Gupta | Informational | June 1998 |
| 2344 | Reverse Tunneling for Mobile IPG. Montenegro, Ed. · obsoleted by RFC 3024 | Proposed Standard | May 1998 |
| 2337 | Intra-LIS IP multicast among routers over ATM using Sparse Mode PIMD. Farinacci, D. Meyer, Y. Rekhter | Experimental | April 1998 |
| 2299 | Request for Comments SummaryA. Ramos | Informational | January 1999 |
| 2289 | A One-Time Password SystemN. Haller, C. Metz, P. Nesser, M. Straw | Internet Standard | February 1998 |
| 2243 | OTP Extended ResponsesC. Metz | Proposed Standard | November 1997 |
| 2230 | Key Exchange Delegation Record for the DNSR. Atkinson | Informational | November 1997 |
| 2207 | RSVP Extensions for IPSEC Data FlowsL. Berger, T. O'Malley | Proposed Standard | September 1997 |
| 2187 | Application of Internet Cache Protocol (ICP), version 2D. Wessels, K. Claffy | Informational | September 1997 |
| 2104 | HMAC: Keyed-Hashing for Message AuthenticationH. Krawczyk, M. Bellare, R. Canetti | Informational | February 1997 |
| 2099 | Request for Comments Summary RFC Numbers 2000-2099J. Elliott | Informational | March 1997 |
| 2085 | HMAC-MD5 IP Authentication with Replay PreventionM. Oehler, R. Glenn | Proposed Standard | February 1997 |
| 2082 | RIP-2 MD5 AuthenticationF. Baker, R. Atkinson · obsoleted by RFC 4822 | Proposed Standard | January 1997 |
| 2080 | RIPng for IPv6G. Malkin, R. Minnear | Proposed Standard | January 1997 |
| 2008 | Implications of Various Address Allocation Policies for Internet RoutingY. Rekhter, T. Li | Best Current Practice | October 1996 |
| 2006 | The Definitions of Managed Objects for IP Mobility Support using SMIv2D. Cong, M. Hamlen, C. Perkins | Proposed Standard | October 1996 |
| 2003 | IP Encapsulation within IPC. Perkins | Proposed Standard | October 1996 |
| 2002 | IP Mobility SupportC. Perkins, Ed. · obsoleted by RFC 3220 | Proposed Standard | October 1996 |
| 1971 | IPv6 Stateless Address AutoconfigurationS. Thomson, T. Narten · obsoleted by RFC 2462 | Proposed Standard | August 1996 |
| 1970 | Neighbor Discovery for IP Version 6 (IPv6)T. Narten, E. Nordmark, W. Simpson · obsoleted by RFC 2461 | Proposed Standard | August 1996 |
| 1949 | Scalable Multicast Key DistributionA. Ballardie | Experimental | May 1996 |
| 1883 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 2460 | Proposed Standard | December 1995 |
| 1852 | IP Authentication using Keyed SHAP. Metzger, W. Simpson · obsoleted by RFC 2841 | Experimental | September 1995 |
| 1851 | The ESP Triple DES TransformP. Karn, P. Metzger, W. Simpson | Experimental | September 1995 |
| 1829 | The ESP DES-CBC TransformP. Karn, P. Metzger, W. Simpson | Proposed Standard | August 1995 |
| 1828 | IP Authentication using Keyed MD5P. Metzger, W. Simpson | Historic | August 1995 |
| 1827 | IP Encapsulating Security Payload (ESP)R. Atkinson · obsoleted by RFC 2406 | Proposed Standard | August 1995 |
| 1825 | Security Architecture for the Internet ProtocolR. Atkinson · obsoleted by RFC 2401 | Proposed Standard | August 1995 |
| 1821 | Integration of Real-time Services in an IP-ATM Network ArchitectureM. Borden, E. Crawley, B. Davie, S. Batsell | Informational | August 1995 |