| 9985 | Optimizing Bidirectional Forwarding Detection (BFD) AuthenticationM. Jethanandani, A. Mishra, J. Haas, A. Saxena, M. Bhatia | Experimental | June 2026 |
| 9923 | The FNV Non-Cryptographic Hash AlgorithmL. Noll, K. Vo, D. Eastlake 3rd, T. Hansen | Informational | February 2026 |
| 9919 | The Lightweight Online Certificate Status Protocol (OCSP) Profile for High-Volume EnvironmentsT. Ito, C. Wilson, C. Bonnell, S. Turner | Proposed Standard | July 2026 |
| 9905 | Deprecating the Use of SHA-1 in DNSSEC Signature AlgorithmsW. Hardaker, W. Kumari | Proposed Standard | November 2025 |
| 9530 | Digest FieldsR. Polli, L. Pardue | Proposed Standard | February 2024 |
| 9249 | A YANG Data Model for NTPN. Wu, D. Dhody, Ed., A. Sinha, Ed., A. Kumar S N, Y. Zhao | Proposed Standard | July 2022 |
| 9054 | CBOR Object Signing and Encryption (COSE): Hash AlgorithmsJ. Schaad | Informational | August 2022 |
| 8945 | Secret Key Transaction Authentication for DNS (TSIG)F. Dupont, S. Morris, P. Vixie, D. Eastlake 3rd, O. Gudmundsson, B. Wellington | Internet Standard | November 2020 |
| 8493 | The BagIt File Packaging Format (V1.0)J. Kunze, J. Littman, E. Madden, J. Scancella, C. Adams | Informational | October 2018 |
| 8315 | Cancel-Locks in Netnews ArticlesM. Baeuerle | Proposed Standard | February 2018 |
| 8122 | Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)J. Lennox, C. Holmberg | Proposed Standard | March 2017 |
| 7568 | Deprecating Secure Sockets Layer Version 3.0R. Barnes, M. Thomson, A. Pironti, A. Langley | Proposed Standard | June 2015 |
| 7374 | Service Discovery Usage for REsource LOcation And Discovery (RELOAD)J. Maenpaa, G. Camarillo | Proposed Standard | October 2014 |
| 7343 | An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers Version 2 (ORCHIDv2)J. Laganier, F. Dupont | Proposed Standard | September 2014 |
| 6968 | FCAST: Object Delivery for the Asynchronous Layered Coding (ALC) and NACK-Oriented Reliable Multicast (NORM) ProtocolsV. Roca, B. Adamson | Experimental | July 2013 |
| 6940 | REsource LOcation And Discovery (RELOAD) Base ProtocolC. Jennings, B. Lowekamp, Ed., E. Rescorla, S. Baset, H. Schulzrinne | Proposed Standard | January 2014 |
| 6621 | Simplified Multicast ForwardingJ. Macker, Ed. | Experimental | May 2012 |
| 6287 | OCRA: OATH Challenge-Response AlgorithmD. M'Raihi, J. Rydell, S. Bajaj, S. Machani, D. Naccache | Informational | June 2011 |
| 6234 | US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF)D. Eastlake 3rd, T. Hansen | Informational | May 2011 |
| 6150 | MD4 to Historic StatusS. Turner, L. Chen | Informational | March 2011 |
| 6109 | La Posta Elettronica Certificata - Italian Certified Electronic MailC. Petrucci, F. Gennai, A. Shahin, A. Vinciarelli | Informational | April 2011 |
| 5929 | Channel Bindings for TLSJ. Altman, N. Williams, L. Zhu | Proposed Standard | July 2010 |
| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |
| 5880 | Bidirectional Forwarding Detection (BFD)D. Katz, D. Ward | Proposed Standard | June 2010 |
| 5802 | Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API MechanismsC. Newman, A. Menon-Sen, A. Melnikov, N. Williams | Proposed Standard | July 2010 |
| 5547 | A Session Description Protocol (SDP) Offer/Answer Mechanism to Enable File TransferM. Garcia-Martin, M. Isomaki, G. Camarillo, S. Loreto, P. Kyzivat | Proposed Standard | May 2009 |
| 5456 | IAX: Inter-Asterisk eXchange Version 2M. Spencer, B. Capouch, E. Guy, Ed., F. Miller, K. Shumard | Informational | February 2010 |
| 4843 | An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers (ORCHID)P. Nikander, J. Laganier, F. Dupont · obsoleted by RFC 7343 | Experimental | April 2007 |
| 4635 | HMAC SHA (Hashed Message Authentication Code, Secure Hash Algorithm) TSIG Algorithm IdentifiersD. Eastlake 3rd · obsoleted by RFC 8945 | Proposed Standard | August 2006 |
| 4634 | US Secure Hash Algorithms (SHA and HMAC-SHA)D. Eastlake 3rd, T. Hansen · obsoleted by RFC 6234 | Informational | August 2006 |
| 4572 | Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)J. Lennox · obsoleted by RFC 8122 | Proposed Standard | July 2006 |
| 4483 | A Mechanism for Content Indirection in Session Initiation Protocol (SIP) MessagesE. Burger, Ed. | Proposed Standard | May 2006 |
| 4432 | RSA Key Exchange for the Secure Shell (SSH) Transport Layer ProtocolB. Harris | Proposed Standard | March 2006 |
| 4270 | Attacks on Cryptographic Hashes in Internet ProtocolsP. Hoffman, B. Schneier | Informational | December 2005 |
| 4194 | The S Hexdump FormatJ. Strombergson, L. Walleij, P. Faltstrom | Proposed Standard | October 2005 |
| 4193 | Unique Local IPv6 Unicast AddressesR. Hinden, B. Haberman | Proposed Standard | October 2005 |
| 4111 | Security Framework for Provider-Provisioned Virtual Private Networks (PPVPNs)L. Fang, Ed. | Informational | July 2005 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 4030 | The Authentication Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent OptionM. Stapp, T. Lemon | Proposed Standard | April 2005 |
| 3887 | Message Tracking Query ProtocolT. Hansen | Proposed Standard | September 2004 |
| 3871 | Operational Security Requirements for Large Internet Service Provider (ISP) IP Network InfrastructureG. Jones, Ed. | Informational | September 2004 |
| 3797 | Publicly Verifiable Nominations Committee (NomCom) Random SelectionD. Eastlake 3rd | Informational | June 2004 |
| 3631 | Security Mechanisms for the InternetS. Bellovin, Ed., J. Schiller, Ed., C. Kaufman, Ed. | Informational | December 2003 |
| 3414 | User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)U. Blumenthal, B. Wijnen | Internet Standard | December 2002 |
| 3320 | Signaling Compression (SigComp)R. Price, C. Bormann, J. Christoffersson, H. Hannu, Z. Liu, J. Rosenberg | Proposed Standard | January 2003 |
| 3279 | Algorithms and Identifiers for the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileL. Bassham, W. Polk, R. Housley | Proposed Standard | May 2002 |