| 10049 | Roughtime: A Protocol for Rough Time SynchronizationW. Ladd, M. Dansarie | Experimental | October 2026 |
| 10002 | Certificate Management over CMS (CMC)J. Mandel, Ed., S. Turner, Ed. | Proposed Standard | July 2026 |
| 9973 | TLS 1.3 Extension for Using Certificates with an External Pre-Shared KeyR. Housley | Proposed Standard | July 2026 |
| 9930 | Tunnel Extensible Authentication Protocol (TEAP) Version 1A. DeKok, Ed. | Proposed Standard | February 2026 |
| 9901 | Selective Disclosure for JSON Web TokensD. Fett, K. Yasuda, B. Campbell | Proposed Standard | November 2025 |
| 9897 | Datagram Congestion Control Protocol (DCCP) Extensions for Multipath Operation with Multiple AddressesM. Amend, Ed., A. Brunstrom, A. Kassler, V. Rakocevic, S. Johnson | Proposed Standard | January 2026 |
| 9891 | Automated Certificate Management Environment (ACME) Delay-Tolerant Networking (DTN) Node ID Validation ExtensionB. Sipos | Experimental | November 2025 |
| 9853 | Return Routability Check for DTLS 1.2 and 1.3H. Tschofenig, Ed., A. Kraus, T. Fossati | Proposed Standard | March 2026 |
| 9846 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla | Proposed Standard | July 2026 |
| 9814 | Use of the SLH-DSA Signature Algorithm in the Cryptographic Message Syntax (CMS)R. Housley, S. Fluhrer, P. Kampanakis, B. Westerbaan | Proposed Standard | July 2025 |
| 9807 | The OPAQUE Augmented Password-Authenticated Key Exchange (aPAKE) ProtocolD. Bourdrez, H. Krawczyk, K. Lewi, C. A. Wood | Informational | July 2025 |
| 9725 | WebRTC-HTTP Ingestion Protocol (WHIP)S. Garcia Murillo, A. Gouaillard | Proposed Standard | March 2025 |
| 9709 | Encryption Key Derivation in the Cryptographic Message Syntax (CMS) Using HKDF with SHA-256R. Housley | Proposed Standard | January 2025 |
| 9708 | Use of the HSS/LMS Hash-Based Signature Algorithm in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | January 2025 |
| 9704 | Establishing Local DNS Authority in Validated Split-Horizon EnvironmentsT. Reddy.K, D. Wing, K. Smith, B. Schwartz | Proposed Standard | January 2025 |
| 9692 | RIFT: Routing in Fat TreesT. Przygienda, Ed., J. Head, Ed., A. Sharma, P. Thubert, B. Rijsman, D. Afanasiev | Proposed Standard | April 2025 |
| 9690 | Use of the RSA-KEM Algorithm in the Cryptographic Message Syntax (CMS)R. Housley, S. Turner | Proposed Standard | February 2025 |
| 9688 | Use of the SHA3 One-Way Hash Functions in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | November 2024 |
| 9654 | Online Certificate Status Protocol (OCSP) Nonce ExtensionH. Sharma, Ed. | Proposed Standard | August 2024 |
| 9646 | Conveying a Certificate Signing Request (CSR) in a Secure Zero-Touch Provisioning (SZTP) Bootstrapping RequestK. Watsen, R. Housley, S. Turner | Proposed Standard | October 2024 |
| 9629 | Using Key Encapsulation Mechanism (KEM) Algorithms in the Cryptographic Message Syntax (CMS)R. Housley, J. Gray, T. Okubo | Proposed Standard | August 2024 |
| 9591 | The Flexible Round-Optimized Schnorr Threshold (FROST) Protocol for Two-Round Schnorr SignaturesD. Connolly, C. Komlo, I. Goldberg, C. A. Wood | Informational | June 2024 |
| 9580 | OpenPGPP. Wouters, Ed., D. Huigens, J. Winter, Y. Niibe | Proposed Standard | July 2024 |
| 9577 | The Privacy Pass HTTP Authentication SchemeT. Pauly, S. Valdez, C. A. Wood | Proposed Standard | June 2024 |
| 9562 | Universally Unique IDentifiers (UUIDs)K. Davis, B. Peabody, P. Leach | Proposed Standard | May 2024 |
| 9516 | Active Operations, Administration, and Maintenance (OAM) for Service Function Chaining (SFC)G. Mirsky, W. Meng, T. Ao, B. Khasnabish, K. Leung, G. Mishra | Proposed Standard | November 2023 |
| 9474 | RSA Blind SignaturesF. Denis, F. Jacobs, C. A. Wood | Informational | October 2023 |
| 9458 | Oblivious HTTPM. Thomson, C. A. Wood | Proposed Standard | January 2024 |
| 9428 | Transmission of IPv6 Packets over Near Field CommunicationY. Choi, Ed., Y-G. Hong, J-S. Youn | Proposed Standard | July 2023 |
| 9415 | On the Generation of Transient Numeric IdentifiersF. Gont, I. Arce | Informational | July 2023 |
| 9365 | IPv6 Wireless Access in Vehicular Environments (IPWAVE): Problem Statement and Use CasesJ. Jeong, Ed. | Informational | March 2023 |
| 9334 | Remote ATtestation procedureS (RATS) ArchitectureH. Birkholz, D. Thaler, M. Richardson, N. Smith, W. Pan | Informational | January 2023 |
| 9333 | Minimal IP Encapsulating Security Payload (ESP)D. Migault, T. Guggemos | Informational | January 2023 |
| 9303 | Locator/ID Separation Protocol Security (LISP-SEC)F. Maino, V. Ermagan, A. Cabellos, D. Saucez | Proposed Standard | October 2022 |
| 9301 | Locator/ID Separation Protocol (LISP) Control PlaneD. Farinacci, F. Maino, V. Fuller, A. Cabellos, Ed. | Proposed Standard | October 2022 |
| 9300 | The Locator/ID Separation Protocol (LISP)D. Farinacci, V. Fuller, D. Meyer, D. Lewis, A. Cabellos, Ed. | Proposed Standard | October 2022 |
| 9260 | Stream Control Transmission ProtocolR. Stewart, M. Tüxen, K. Nielsen | Proposed Standard | June 2022 |
| 9230 | Oblivious DNS over HTTPSE. Kinnear, P. McManus, T. Pauly, T. Verma, C.A. Wood | Experimental | June 2022 |
| 9154 | Extensible Provisioning Protocol (EPP) Secure Authorization Information for TransferJ. Gould, R. Wilhelm | Proposed Standard | December 2021 |
| 9142 | Key Exchange (KEX) Method Updates and Recommendations for Secure Shell (SSH)M. Baushke | Proposed Standard | January 2022 |
| 9048 | Improved Extensible Authentication Protocol Method for 3GPP Mobile Network Authentication and Key Agreement (EAP-AKA')J. Arkko, V. Lehtovirta, V. Torvinen, P. Eronen | Proposed Standard | October 2021 |
| 9044 | Using the AES-GMAC Algorithm with the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | June 2021 |
| 9021 | Use of the Walnut Digital Signature Algorithm with CBOR Object Signing and Encryption (COSE)D. Atkins | Informational | May 2021 |
| 9001 | Using TLS to Secure QUICM. Thomson, Ed., S. Turner, Ed. | Proposed Standard | May 2021 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 2021 |
| 8995 | Bootstrapping Remote Secure Key Infrastructure (BRSKI)M. Pritikin, M. Richardson, T. Eckert, M. Behringer, K. Watsen | Proposed Standard | May 2021 |
| 8990 | GeneRic Autonomic Signaling Protocol (GRASP)C. Bormann, B. Carpenter, Ed., B. Liu, Ed. | Proposed Standard | May 2021 |
| 8981 | Temporary Address Extensions for Stateless Address Autoconfiguration in IPv6F. Gont, S. Krishnan, T. Narten, R. Draves | Proposed Standard | February 2021 |
| 8967 | MAC Authentication for the Babel Routing ProtocolC. Dô, W. Kolodziejak, J. Chroboczek | Proposed Standard | January 2021 |
| 8959 | The "secret-token" URI SchemeM. Nottingham | Informational | January 2021 |
| 8954 | Online Certificate Status Protocol (OCSP) Nonce ExtensionM. Sahni, Ed. · obsoleted by RFC 9654 | Proposed Standard | November 2020 |
| 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 |
| 8928 | Address-Protected Neighbor Discovery for Low-Power and Lossy NetworksP. Thubert, Ed., B. Sarikaya, M. Sethi, R. Struik | Proposed Standard | November 2020 |
| 8921 | Dynamic Service Negotiation: The Connectivity Provisioning Negotiation Protocol (CPNP)M. Boucadair, Ed., C. Jacquenet, D. Zhang, P. Georgatsos | Informational | October 2020 |
| 8915 | Network Time Security for the Network Time ProtocolD. Franke, D. Sibold, K. Teichel, M. Dansarie, R. Sundblad | Proposed Standard | September 2020 |
| 8913 | Two-Way Active Measurement Protocol (TWAMP) YANG Data ModelR. Civil, A. Morton, R. Rahman, M. Jethanandani, K. Pentikousis, Ed. | Proposed Standard | November 2021 |
| 8907 | The Terminal Access Controller Access-Control System Plus (TACACS+) ProtocolT. Dahm, A. Ota, D.C. Medway Gash, D. Carrel, L. Grant | Informational | September 2020 |
| 8870 | Encrypted Key Transport for DTLS and Secure RTPC. Jennings, J. Mattsson, D. McGrew, D. Wing, F. Andreasen | Proposed Standard | January 2021 |
| 8778 | Use of the HSS/LMS Hash-Based Signature Algorithm with CBOR Object Signing and Encryption (COSE)R. Housley | Proposed Standard | April 2020 |
| 8773 | TLS 1.3 Extension for Certificate-Based Authentication with an External Pre-Shared KeyR. Housley · obsoleted by RFC 9973 | Experimental | March 2020 |
| 8756 | Commercial National Security Algorithm (CNSA) Suite Profile of Certificate Management over CMSM. Jenkins, L. Zieglar | Informational | March 2020 |
| 8755 | Using Commercial National Security Algorithm Suite Algorithms in Secure/Multipurpose Internet Mail ExtensionsM. Jenkins | Informational | March 2020 |
| 8737 | Automated Certificate Management Environment (ACME) TLS Application-Layer Protocol Negotiation (ALPN) Challenge ExtensionR.B. Shoemaker | Proposed Standard | February 2020 |
| 8708 | Use of the HSS/LMS Hash-Based Signature Algorithm in the Cryptographic Message Syntax (CMS)R. Housley · obsoleted by RFC 9708 | Proposed Standard | February 2020 |
| 8696 | Using Pre-Shared Key (PSK) in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | December 2019 |
| 8691 | Basic Support for IPv6 Networks Operating Outside the Context of a Basic Service Set over IEEE Std 802.11N. Benamar, J. Härri, J. Lee, T. Ernst | Proposed Standard | December 2019 |
| 8684 | TCP Extensions for Multipath Operation with Multiple AddressesA. Ford, C. Raiciu, M. Handley, O. Bonaventure, C. Paasch | Proposed Standard | March 2020 |
| 8656 | Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)T. Reddy, Ed., A. Johnston, Ed., P. Matthews, J. Rosenberg | Proposed Standard | February 2020 |
| 8635 | Router Keying for BGPsecR. Bush, S. Turner, K. Patel | Proposed Standard | August 2019 |
| 8613 | Object Security for Constrained RESTful Environments (OSCORE)G. Selander, J. Mattsson, F. Palombini, L. Seitz | Proposed Standard | July 2019 |
| 8555 | Automatic Certificate Management Environment (ACME)R. Barnes, J. Hoffman-Andrews, D. McCarney, J. Kasten | Proposed Standard | March 2019 |
| 8551 | Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 4.0 Message SpecificationJ. Schaad, B. Ramsdell, S. Turner | Proposed Standard | April 2019 |
| 8548 | Cryptographic Protection of TCP Streams (tcpcrypt)A. Bittau, D. Giffin, M. Handley, D. Mazieres, Q. Slack, E. Smith | Experimental | May 2019 |
| 8547 | TCP-ENO: Encryption Negotiation OptionA. Bittau, D. Giffin, M. Handley, D. Mazieres, E. Smith | Experimental | May 2019 |
| 8492 | Secure Password Ciphersuites for Transport Layer Security (TLS)D. Harkins, Ed. | Informational | February 2019 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8419 | Use of Edwards-Curve Digital Signature Algorithm (EdDSA) Signatures in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | August 2018 |
| 8387 | Practical Considerations and Implementation Experiences in Securing Smart Object NetworksM. Sethi, J. Arkko, A. Keranen, H. Back | Informational | May 2018 |
| 8315 | Cancel-Locks in Netnews ArticlesM. Baeuerle | Proposed Standard | February 2018 |
| 8295 | EST (Enrollment over Secure Transport) ExtensionsS. Turner | Proposed Standard | January 2018 |
| 8291 | Message Encryption for Web PushM. Thomson | Proposed Standard | November 2017 |
| 8103 | Using ChaCha20-Poly1305 Authenticated Encryption in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | February 2017 |
| 8032 | Edwards-Curve Digital Signature Algorithm (EdDSA)S. Josefsson, I. Liusvaara | Informational | January 2017 |
| 8009 | AES Encryption with HMAC-SHA2 for Kerberos 5M. Jenkins, M. Peck, K. Burgin | Informational | October 2016 |
| 7956 | Transparent Interconnection of Lots of Links (TRILL) Distributed Layer 3 GatewayW. Hao, Y. Li, A. Qu, M. Durrani, P. Sivamurugan | Proposed Standard | September 2016 |
| 7925 | Transport Layer Security (TLS) / Datagram Transport Layer Security (DTLS) Profiles for the Internet of ThingsH. Tschofenig, Ed., T. Fossati | Proposed Standard | July 2016 |
| 7914 | The scrypt Password-Based Key Derivation FunctionC. Percival, S. Josefsson | Informational | August 2016 |
| 7873 | Domain Name System (DNS) CookiesD. Eastlake 3rd, M. Andrews | Proposed Standard | May 2016 |
| 7844 | Anonymity Profiles for DHCP ClientsC. Huitema, T. Mrugalski, S. Krishnan | Proposed Standard | May 2016 |
| 7835 | Locator/ID Separation Protocol (LISP) Threat AnalysisD. Saucez, L. Iannone, O. Bonaventure | Informational | April 2016 |
| 7826 | Real-Time Streaming Protocol Version 2.0H. Schulzrinne, A. Rao, R. Lanphier, M. Westerlund, M. Stiemerling, Ed. | Proposed Standard | December 2016 |
| 7804 | Salted Challenge Response HTTP Authentication MechanismA. Melnikov | Experimental | March 2016 |
| 7780 | Transparent Interconnection of Lots of Links (TRILL): Clarifications, Corrections, and UpdatesD. Eastlake 3rd, M. Zhang, R. Perlman, A. Banerjee, A. Ghanwani, S. Gupta | Proposed Standard | February 2016 |
| 7739 | Security Implications of Predictable Fragment Identification ValuesF. Gont | Informational | February 2016 |
| 7616 | HTTP Digest Access AuthenticationR. Shekh-Yusef, Ed., D. Ahrens, S. Bremer | Proposed Standard | September 2015 |
| 7527 | Enhanced Duplicate Address DetectionR. Asati, H. Singh, W. Beebee, C. Pignataro, E. Dart, W. George | Proposed Standard | April 2015 |
| 7518 | JSON Web Algorithms (JWA)M. Jones | Proposed Standard | May 2015 |
| 7516 | JSON Web Encryption (JWE)M. Jones, J. Hildebrand | Proposed Standard | May 2015 |
| 7515 | JSON Web Signature (JWS)M. Jones, J. Bradley, N. Sakimura | Proposed Standard | May 2015 |
| 7486 | HTTP Origin-Bound Authentication (HOBA)S. Farrell, P. Hoffman, M. Thomas | Experimental | March 2015 |
| 7357 | Transparent Interconnection of Lots of Links (TRILL): End Station Address Distribution Information (ESADI) ProtocolH. Zhai, F. Hu, R. Perlman, D. Eastlake 3rd, O. Stokes | Proposed Standard | September 2014 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 7252 | The Constrained Application Protocol (CoAP)Z. Shelby, K. Hartke, C. Bormann | Proposed Standard | June 2014 |
| 7217 | A Method for Generating Semantically Opaque Interface Identifiers with IPv6 Stateless Address Autoconfiguration (SLAAC)F. Gont | Proposed Standard | April 2014 |
| 7211 | Operations Model for Router KeyingS. Hartman, D. Zhang | Informational | June 2014 |
| 7170 | Tunnel Extensible Authentication Protocol (TEAP) Version 1H. Zhou, N. Cam-Winget, J. Salowey, S. Hanna · obsoleted by RFC 9930 | Proposed Standard | May 2014 |
| 7030 | Enrollment over Secure TransportM. Pritikin, Ed., P. Yee, Ed., D. Harkins, Ed. | Proposed Standard | October 2013 |
| 7022 | Guidelines for Choosing RTP Control Protocol (RTCP) Canonical Names (CNAMEs)A. Begen, C. Perkins, D. Wing, E. Rescorla | Proposed Standard | September 2013 |
| 6940 | REsource LOcation And Discovery (RELOAD) Base ProtocolC. Jennings, B. Lowekamp, Ed., E. Rescorla, S. Baset, H. Schulzrinne | Proposed Standard | January 2014 |
| 6896 | SCS: KoanLogic's Secure Cookie Sessions for HTTPS. Barbato, S. Dorigotti, T. Fossati, Ed. | Informational | March 2013 |
| 6887 | Port Control Protocol (PCP)D. Wing, Ed., S. Cheshire, M. Boucadair, R. Penno, P. Selkirk | Proposed Standard | April 2013 |
| 6830 | The Locator/ID Separation Protocol (LISP)D. Farinacci, V. Fuller, D. Meyer, D. Lewis · obsoleted by RFC 9300, RFC 9301 | Experimental | January 2013 |
| 6824 | TCP Extensions for Multipath Operation with Multiple AddressesA. Ford, C. Raiciu, M. Handley, O. Bonaventure · obsoleted by RFC 8684 | Experimental | January 2013 |
| 6819 | OAuth 2.0 Threat Model and Security ConsiderationsT. Lodderstedt, Ed., M. McGloin, P. Hunt | Informational | January 2013 |
| 6781 | DNSSEC Operational Practices, Version 2O. Kolkman, W. Mekking, R. Gieben | Informational | December 2012 |
| 6746 | IPv4 Options for the Identifier-Locator Network Protocol (ILNP)RJ Atkinson, SN Bhatti | Experimental | November 2012 |
| 6744 | IPv6 Nonce Destination Option for the Identifier-Locator Network Protocol for IPv6 (ILNPv6)RJ Atkinson, SN Bhatti | Experimental | November 2012 |
| 6733 | Diameter Base ProtocolV. Fajardo, Ed., J. Arkko, J. Loughney, G. Zorn, Ed. | Proposed Standard | October 2012 |
| 6618 | Mobile IPv6 Security Framework Using Transport Layer Security for Communication between the Mobile Node and Home AgentJ. Korhonen, Ed., B. Patil, H. Tschofenig, D. Kroeselberg | Experimental | May 2012 |
| 6617 | Secure Pre-Shared Key (PSK) Authentication for the Internet Key Exchange Protocol (IKE)D. Harkins | Experimental | June 2012 |
| 6560 | One-Time Password (OTP) Pre-AuthenticationG. Richards | Proposed Standard | April 2012 |
| 6528 | Defending against Sequence Number AttacksF. Gont, S. Bellovin · obsoleted by RFC 9293 | Proposed Standard | February 2012 |
| 6521 | Home Agent-Assisted Route Optimization between Mobile IPv4 NetworksA. Makela, J. Korhonen | Experimental | March 2012 |
| 6518 | Keying and Authentication for Routing Protocols (KARP) Design GuidelinesG. Lebovitz, M. Bhatia | Informational | February 2012 |
| 6508 | Sakai-Kasahara Key Encryption (SAKKE)M. Groves | Informational | February 2012 |
| 6507 | Elliptic Curve-Based Certificateless Signatures for Identity-Based Encryption (ECCSI)M. Groves | Informational | February 2012 |
| 6455 | The WebSocket ProtocolI. Fette, A. Melnikov | Proposed Standard | December 2011 |
| 6450 | Multicast Ping ProtocolS. Venaas | Proposed Standard | December 2011 |
| 6437 | IPv6 Flow Label SpecificationS. Amante, B. Carpenter, S. Jiang, J. Rajahalme | Proposed Standard | November 2011 |
| 6403 | Suite B Profile of Certificate Management over CMSL. Zieglar, S. Turner, M. Peck | Historic | November 2011 |
| 6325 | Routing Bridges (RBridges): Base Protocol SpecificationR. Perlman, D. Eastlake 3rd, D. Dutt, S. Gai, A. Ghanwani | Proposed Standard | July 2011 |
| 6318 | Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)R. Housley, J. Solinas | Historic | June 2011 |
| 6287 | OCRA: OATH Challenge-Response AlgorithmD. M'Raihi, J. Rydell, S. Bajaj, S. Machani, D. Naccache | Informational | June 2011 |
| 6284 | Port Mapping between Unicast and Multicast RTP SessionsA. Begen, D. Wing, T. Van Caenegem | Proposed Standard | June 2011 |
| 6275 | Mobility Support in IPv6C. Perkins, Ed., D. Johnson, J. Arkko | Proposed Standard | July 2011 |
| 6274 | Security Assessment of the Internet Protocol Version 4F. Gont | Informational | July 2011 |
| 6238 | TOTP: Time-Based One-Time Password AlgorithmD. M'Raihi, S. Machani, M. Pei, J. Rydell | Informational | May 2011 |
| 6234 | US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF)D. Eastlake 3rd, T. Hansen | Informational | May 2011 |
| 6218 | Cisco Vendor-Specific RADIUS Attributes for the Delivery of Keying MaterialG. Zorn, T. Zhang, J. Walker, J. Salowey | Informational | April 2011 |
| 6197 | Location-to-Service Translation (LoST) Service List Boundary ExtensionK. Wolf | Experimental | April 2011 |
| 6189 | ZRTP: Media Path Key Agreement for Unicast Secure RTPP. Zimmermann, A. Johnston, Ed., J. Callas | Informational | April 2011 |
| 6150 | MD4 to Historic StatusS. Turner, L. Chen | Informational | March 2011 |
| 6140 | Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP)A.B. Roach | Proposed Standard | March 2011 |
| 6124 | An EAP Authentication Method Based on the Encrypted Key Exchange (EKE) ProtocolY. Sheffer, G. Zorn, H. Tschofenig, S. Fluhrer | Informational | February 2011 |
| 6120 | Extensible Messaging and Presence Protocol (XMPP): CoreP. Saint-Andre | Proposed Standard | March 2011 |
| 6098 | Generic Notification Message for Mobile IPv4H. Deng, H. Levkowetz, V. Devarapalli, S. Gundavelli, B. Haley | Proposed Standard | April 2012 |
| 6090 | Fundamental Elliptic Curve Cryptography AlgorithmsD. McGrew, K. Igoe, M. Salter | Informational | February 2011 |
| 6081 | Teredo ExtensionsD. Thaler | Proposed Standard | January 2011 |
| 6072 | Certificate Management Service for the Session Initiation Protocol (SIP)C. Jennings, J. Fischl, Ed. | Proposed Standard | February 2011 |
| 6056 | Recommendations for Transport-Protocol Port RandomizationM. Larsen, F. Gont | Best Current Practice | January 2011 |
| 6013 | TCP Cookie Transactions (TCPCT)W. Simpson · obsoleted by RFC 7805 | Historic | January 2011 |
| 6012 | Datagram Transport Layer Security (DTLS) Transport Mapping for SyslogJ. Salowey, T. Petch, R. Gerhards, H. Feng | Proposed Standard | October 2010 |
| 5997 | Use of Status-Server Packets in the Remote Authentication Dial In User Service (RADIUS) ProtocolA. DeKok | Informational | August 2010 |
| 5996 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen · obsoleted by RFC 7296 | Proposed Standard | September 2010 |
| 5991 | Teredo Security UpdatesD. Thaler, S. Krishnan, J. Hoagland | Proposed Standard | September 2010 |
| 5990 | Use of the RSA-KEM Key Transport Algorithm in the Cryptographic Message Syntax (CMS)J. Randall, B. Kaliski, J. Brainard, S. Turner · obsoleted by RFC 9690 | Proposed Standard | September 2010 |
| 5973 | NAT/Firewall NSIS Signaling Layer Protocol (NSLP)M. Stiemerling, H. Tschofenig, C. Aoun, E. Davies | Experimental | October 2010 |
| 5971 | GIST: General Internet Signalling TransportH. Schulzrinne, R. Hancock | Experimental | October 2010 |
| 5944 | IP Mobility Support for IPv4, RevisedC. Perkins, Ed. | Proposed Standard | November 2010 |
| 5931 | Extensible Authentication Protocol (EAP) Authentication Using Only a PasswordD. Harkins, G. Zorn | Informational | August 2010 |
| 5926 | Cryptographic Algorithms for the TCP Authentication Option (TCP-AO)G. Lebovitz, E. Rescorla | Proposed Standard | June 2010 |
| 5848 | Signed Syslog MessagesJ. Kelsey, J. Callas, A. Clemm | Proposed Standard | May 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 |
| 5766 | Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)R. Mahy, P. Matthews, J. Rosenberg · obsoleted by RFC 8656 | Proposed Standard | April 2010 |
| 5723 | Internet Key Exchange Protocol Version 2 (IKEv2) Session ResumptionY. Sheffer, H. Tschofenig | Proposed Standard | January 2010 |
| 5709 | OSPFv2 HMAC-SHA Cryptographic AuthenticationM. Bhatia, V. Manral, M. Fanto, R. White, M. Barnes, T. Li, R. Atkinson | Proposed Standard | October 2009 |
| 5652 | Cryptographic Message Syntax (CMS)R. Housley | Internet Standard | September 2009 |
| 5534 | Failure Detection and Locator Pair Exploration Protocol for IPv6 MultihomingJ. Arkko, I. van Beijnum | Proposed Standard | June 2009 |
| 5533 | Shim6: Level 3 Multihoming Shim Protocol for IPv6E. Nordmark, M. Bagnulo | Proposed Standard | June 2009 |
| 5452 | Measures for Making DNS More Resilient against Forged AnswersA. Hubert, R. van Mook | Proposed Standard | January 2009 |
| 5433 | Extensible Authentication Protocol - Generalized Pre-Shared Key (EAP-GPSK) MethodT. Clancy, H. Tschofenig | Proposed Standard | February 2009 |
| 5415 | Control And Provisioning of Wireless Access Points (CAPWAP) Protocol SpecificationP. Calhoun, Ed., M. Montemurro, Ed., D. Stanley, Ed. | Proposed Standard | March 2009 |
| 5412 | Lightweight Access Point ProtocolP. Calhoun, R. Suri, N. Cam-Winget, M. Williams, S. Hares, B. O'Hara, S. Kelly | Historic | February 2010 |
| 5353 | Endpoint Handlespace Redundancy Protocol (ENRP)Q. Xie, R. Stewart, M. Stillman, M. Tuexen, A. Silverton | Experimental | September 2008 |
| 5352 | Aggregate Server Access Protocol (ASAP)R. Stewart, Q. Xie, M. Stillman, M. Tuexen | Experimental | September 2008 |
| 5326 | Licklider Transmission Protocol - SpecificationM. Ramadas, S. Burleigh, S. Farrell | Experimental | September 2008 |
| 5325 | Licklider Transmission Protocol - MotivationS. Burleigh, M. Ramadas, S. Farrell | Informational | September 2008 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 5275 | CMS Symmetric Key Management and DistributionS. Turner | Proposed Standard | June 2008 |
| 5272 | Certificate Management over CMS (CMC)J. Schaad, M. Myers · obsoleted by RFC 10002 | Proposed Standard | June 2008 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5197 | On the Applicability of Various Multimedia Internet KEYing (MIKEY) Modes and ExtensionsS. Fries, D. Ignjatic | Informational | June 2008 |
| 5191 | Protocol for Carrying Authentication for Network Access (PANA)D. Forsberg, Y. Ohba, Ed., B. Patil, H. Tschofenig, A. Yegin | Proposed Standard | May 2008 |
| 5116 | An Interface and Algorithms for Authenticated EncryptionD. McGrew | Proposed Standard | January 2008 |
| 5087 | Time Division Multiplexing over IP (TDMoIP)Y(J). Stein, R. Shashoua, R. Insler, M. Anavi | Informational | December 2007 |
| 5084 | Using AES-CCM and AES-GCM Authenticated Encryption in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | November 2007 |
| 5083 | Cryptographic Message Syntax (CMS) Authenticated-Enveloped-Data Content TypeR. Housley | Proposed Standard | November 2007 |
| 5077 | Transport Layer Security (TLS) Session Resumption without Server-Side StateJ. Salowey, H. Zhou, P. Eronen, H. Tschofenig · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | January 2008 |
| 5018 | Connection Establishment in the Binary Floor Control Protocol (BFCP)G. Camarillo | Proposed Standard | September 2007 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 4949 | Internet Security Glossary, Version 2R. Shirey | Informational | August 2007 |
| 4941 | Privacy Extensions for Stateless Address Autoconfiguration in IPv6T. Narten, R. Draves, S. Krishnan · obsoleted by RFC 8981 | Draft Standard | September 2007 |
| 4895 | Authenticated Chunks for the Stream Control Transmission Protocol (SCTP)M. Tuexen, R. Stewart, P. Lei, E. Rescorla | Proposed Standard | August 2007 |
| 4880 | OpenPGP Message FormatJ. Callas, L. Donnerhacke, H. Finney, D. Shaw, R. Thayer · obsoleted by RFC 9580 | Proposed Standard | November 2007 |
| 4851 | The Flexible Authentication via Secure Tunneling Extensible Authentication Protocol Method (EAP-FAST)N. Cam-Winget, D. McGrew, J. Salowey, H. Zhou | Informational | May 2007 |
| 4817 | Encapsulation of MPLS over Layer 2 Tunneling Protocol Version 3M. Townsley, C. Pignataro, S. Wainner, T. Seely, J. Young | Proposed Standard | March 2007 |
| 4795 | Link-local Multicast Name Resolution (LLMNR)B. Aboba, D. Thaler, L. Esibov | Informational | January 2007 |
| 4784 | Verizon Wireless Dynamic Mobile IP Key Update for cdma2000(R) NetworksC. Carroll, F. Quick | Informational | June 2007 |
| 4764 | The EAP-PSK Protocol: A Pre-Shared Key Extensible Authentication Protocol (EAP) MethodF. Bersani, H. Tschofenig | Experimental | January 2007 |
| 4763 | Extensible Authentication Protocol Method for Shared-secret Authentication and Key Establishment (EAP-SAKE)M. Vanderveen, H. Soliman | Informational | November 2006 |
| 4721 | Mobile IPv4 Challenge/Response Extensions (Revised)C. Perkins, P. Calhoun, J. Bharatia | Proposed Standard | January 2007 |
| 4656 | A One-way Active Measurement Protocol (OWAMP)S. Shalunov, B. Teitelbaum, A. Karp, J. Boote, M. Zekauskas | Proposed Standard | September 2006 |
| 4641 | DNSSEC Operational PracticesO. Kolkman, R. Gieben · obsoleted by RFC 6781 | Informational | September 2006 |
| 4634 | US Secure Hash Algorithms (SHA and HMAC-SHA)D. Eastlake 3rd, T. Hansen · obsoleted by RFC 6234 | Informational | August 2006 |
| 4615 | The Advanced Encryption Standard-Cipher-based Message Authentication Code-Pseudo-Random Function-128 (AES-CMAC-PRF-128) Algorithm for the Internet Key Exchange Protocol (IKE)J. Song, R. Poovendran, J. Lee, T. Iwata | Proposed Standard | August 2006 |
| 4556 | Public Key Cryptography for Initial Authentication in Kerberos (PKINIT)L. Zhu, B. Tung | Proposed Standard | June 2006 |
| 4538 | Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)J. Rosenberg | Proposed Standard | June 2006 |
| 4535 | GSAKMP: Group Secure Association Key Management ProtocolH. Harney, U. Meth, A. Colegrove, G. Gross | Proposed Standard | June 2006 |
| 4507 | Transport Layer Security (TLS) Session Resumption without Server-Side StateJ. Salowey, H. Zhou, P. Eronen, H. Tschofenig · obsoleted by RFC 5077 | Proposed Standard | May 2006 |
| 4493 | The AES-CMAC AlgorithmJH. Song, R. Poovendran, J. Lee, T. Iwata | Informational | June 2006 |
| 4467 | Internet Message Access Protocol (IMAP) - URLAUTH ExtensionM. Crispin | Proposed Standard | May 2006 |
| 4449 | Securing Mobile IPv6 Route Optimization Using a Static Shared KeyC. Perkins | Proposed Standard | June 2006 |
| 4432 | RSA Key Exchange for the Secure Shell (SSH) Transport Layer ProtocolB. Harris | Proposed Standard | March 2006 |
| 4401 | A Pseudo-Random Function (PRF) API Extension for the Generic Security Service Application Program Interface (GSS-API)N. Williams | Proposed Standard | February 2006 |
| 4346 | The Transport Layer Security (TLS) Protocol Version 1.1T. Dierks, E. Rescorla · obsoleted by RFC 5246 | Historic | April 2006 |
| 4340 | Datagram Congestion Control Protocol (DCCP)E. Kohler, M. Handley, S. Floyd | Proposed Standard | March 2006 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 4251 | The Secure Shell (SSH) Protocol ArchitectureT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4226 | HOTP: An HMAC-Based One-Time Password AlgorithmD. M'Raihi, M. Bellare, F. Hoornaert, D. Naccache, O. Ranen | Informational | December 2005 |
| 4211 | Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)J. Schaad | Proposed Standard | September 2005 |
| 4193 | Unique Local IPv6 Unicast AddressesR. Hinden, B. Haberman | Proposed Standard | October 2005 |
| 4187 | Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA)J. Arkko, H. Haverinen | Informational | January 2006 |
| 4186 | Extensible Authentication Protocol Method for Global System for Mobile Communications (GSM) Subscriber Identity Modules (EAP-SIM)H. Haverinen, Ed., J. Salowey, Ed. | Informational | January 2006 |
| 4122 | A Universally Unique IDentifier (UUID) URN NamespaceP. Leach, M. Mealling, R. Salz · obsoleted by RFC 9562 | Proposed Standard | July 2005 |
| 4120 | The Kerberos Network Authentication Service (V5)C. Neuman, T. Yu, S. Hartman, K. Raeburn | Proposed Standard | July 2005 |
| 4108 | Using Cryptographic Message Syntax (CMS) to Protect Firmware PackagesR. Housley | Proposed Standard | August 2005 |
| 4107 | Guidelines for Cryptographic Key ManagementS. Bellovin, R. Housley | Best Current Practice | June 2005 |