| 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 |
| 2746 | RSVP Operation Over IP TunnelsA. Terzis, J. Krawczyk, J. Wroclawski, L. Zhang | Proposed Standard | January 2000 |
| 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 |
| 2367 | PF_KEY Key Management API, Version 2D. McDonald, C. Metz, B. Phan | Informational | July 1998 |
| 2365 | Administratively Scoped IP MulticastD. Meyer | Best Current Practice | 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 |
| 2290 | Mobile-IPv4 Configuration Option for PPP IPCPJ. Solomon, S. Glass | Proposed Standard | February 1998 |
| 2230 | Key Exchange Delegation Record for the DNSR. Atkinson | Informational | November 1997 |
| 2208 | Resource ReSerVation Protocol (RSVP) -- Version 1 Applicability Statement Some Guidelines on DeploymentA. Mankin, Ed., F. Baker, B. Braden, S. Bradner, M. O'Dell, A. Romanow, A. Weinrib, L. Zhang | Informational | September 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 |
| 2165 | Service Location ProtocolJ. Veizades, E. Guttman, C. Perkins, S. Kaplan | Proposed Standard | June 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 |
| 2003 | IP Encapsulation within IPC. Perkins | Proposed Standard | October 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 |
| 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 |
| 1826 | IP Authentication HeaderR. Atkinson · obsoleted by RFC 2402 | Proposed Standard | August 1995 |
| 1825 | Security Architecture for the Internet ProtocolR. Atkinson · obsoleted by RFC 2401 | Proposed Standard | August 1995 |