| 854 | Telnet Protocol SpecificationJ. Postel, J.K. Reynolds | Internet Standard | May 1983 |
| 855 | Telnet Option SpecificationsJ. Postel, J.K. Reynolds | Internet Standard | May 1983 |
| 2104 | HMAC: Keyed-Hashing for Message AuthenticationH. Krawczyk, M. Bellare, R. Canetti | Informational | February 1997 |
| 2411 | IP Security Document RoadmapR. Thayer, N. Doraswamy, R. Glenn · obsoleted by RFC 6071 | Informational | November 1998 |
| 2747 | RSVP Cryptographic AuthenticationF. Baker, B. Lindell, M. Talwar | Proposed Standard | January 2000 |
| 3031 | Multiprotocol Label Switching ArchitectureE. Rosen, A. Viswanathan, R. Callon | Proposed Standard | January 2001 |
| 3097 | RSVP Cryptographic Authentication -- Updated Message Type ValueR. Braden, L. Zhang | Proposed Standard | April 2001 |
| 3174 | US Secure Hash Algorithm 1 (SHA1)D. Eastlake 3rd, P. Jones | Informational | September 2001 |
| 3209 | RSVP-TE: Extensions to RSVP for LSP TunnelsD. Awduche, L. Berger, D. Gan, T. Li, V. Srinivasan, G. Swallow | Proposed Standard | December 2001 |
| 3411 | An Architecture for Describing Simple Network Management Protocol (SNMP) Management FrameworksD. Harrington, R. Presuhn, B. Wijnen | Internet Standard | December 2002 |
| 3412 | Message Processing and Dispatching for the Simple Network Management Protocol (SNMP)J. Case, D. Harrington, R. Presuhn, B. Wijnen | Internet Standard | December 2002 |
| 3413 | Simple Network Management Protocol (SNMP) ApplicationsD. Levi, P. Meyer, B. Stewart | Internet Standard | December 2002 |
| 3414 | User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)U. Blumenthal, B. Wijnen | Internet Standard | December 2002 |
| 3416 | Version 2 of the Protocol Operations for the Simple Network Management Protocol (SNMP)R. Presuhn, Ed. | Internet Standard | December 2002 |
| 3417 | Transport Mappings for the Simple Network Management Protocol (SNMP)R. Presuhn, Ed. | Internet Standard | December 2002 |
| 3418 | Management Information Base (MIB) for the Simple Network Management Protocol (SNMP)R. Presuhn, Ed. | Internet Standard | December 2002 |
| 3562 | Key Management Considerations for the TCP MD5 Signature OptionM. Leech | Informational | July 2003 |
| 3631 | Security Mechanisms for the InternetS. Bellovin, Ed., J. Schiller, Ed., C. Kaufman, Ed. | Informational | December 2003 |
| 3704 | Ingress Filtering for Multihomed NetworksF. Baker, P. Savola | Best Current Practice | March 2004 |
| 3945 | Generalized Multi-Protocol Label Switching (GMPLS) ArchitectureE. Mannie, Ed. | Proposed Standard | November 2004 |
| 3985 | Pseudo Wire Emulation Edge-to-Edge (PWE3) ArchitectureS. Bryant, Ed., P. Pate, Ed. | Informational | March 2005 |
| 4106 | The Use of Galois/Counter Mode (GCM) in IPsec Encapsulating Security Payload (ESP)J. Viega, D. McGrew | Proposed Standard | June 2005 |
| 4107 | Guidelines for Cryptographic Key ManagementS. Bellovin, R. Housley | Best Current Practice | June 2005 |
| 4110 | A Framework for Layer 3 Provider-Provisioned Virtual Private Networks (PPVPNs)R. Callon, M. Suzuki | Informational | July 2005 |
| 4111 | Security Framework for Provider-Provisioned Virtual Private Networks (PPVPNs)L. Fang, Ed. | Informational | July 2005 |
| 4230 | RSVP Security PropertiesH. Tschofenig, R. Graveman | Informational | December 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4302 | IP Authentication HeaderS. Kent | Proposed Standard | December 2005 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 4308 | Cryptographic Suites for IPsecP. Hoffman | Proposed Standard | December 2005 |
| 4309 | Using Advanced Encryption Standard (AES) CCM Mode with IPsec Encapsulating Security Payload (ESP)R. Housley | Proposed Standard | December 2005 |
| 4364 | BGP/MPLS IP Virtual Private Networks (VPNs)E. Rosen, Y. Rekhter | Proposed Standard | February 2006 |
| 4377 | Operations and Management (OAM) Requirements for Multi-Protocol Label Switched (MPLS) NetworksT. Nadeau, M. Morrow, G. Swallow, D. Allan, S. Matsushima | Informational | February 2006 |
| 4378 | A Framework for Multi-Protocol Label Switching (MPLS) Operations and Management (OAM)D. Allan, Ed., T. Nadeau, Ed. | Informational | February 2006 |
| 4379 | Detecting Multi-Protocol Label Switched (MPLS) Data Plane FailuresK. Kompella, G. Swallow · obsoleted by RFC 8029 | Proposed Standard | February 2006 |
| 4447 | Pseudowire Setup and Maintenance Using the Label Distribution Protocol (LDP)L. Martini, Ed., E. Rosen, N. El-Aawar, T. Smith, G. Heron · obsoleted by RFC 8077 | Proposed Standard | April 2006 |
| 4593 | Generic Threats to Routing ProtocolsA. Barbir, S. Murphy, Y. Yang | Informational | October 2006 |
| 4778 | Operational Security Current Practices in Internet Service Provider EnvironmentsM. Kaeo | Informational | January 2007 |
| 4808 | Key Change Strategies for TCP-MD5S. Bellovin | Informational | March 2007 |
| 4835 | Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)V. Manral · obsoleted by RFC 7321 | Proposed Standard | April 2007 |
| 4864 | Local Network Protection for IPv6G. Van de Velde, T. Hain, R. Droms, B. Carpenter, E. Klein | Informational | May 2007 |
| 4869 | Suite B Cryptographic Suites for IPsecL. Law, J. Solinas · obsoleted by RFC 6379 | Historic | May 2007 |
| 5036 | LDP SpecificationL. Andersson, Ed., I. Minei, Ed., B. Thomas, Ed. | Draft Standard | October 2007 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5254 | Requirements for Multi-Segment Pseudowire Emulation Edge-to-Edge (PWE3)N. Bitar, Ed., M. Bocci, Ed., L. Martini, Ed. | Informational | October 2008 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |