| 10008 | The HTTP QUERY MethodJ. Reschke, J.M. Snell, M. Bishop | Proposed Standard | June 2026 |
| 9973 | TLS 1.3 Extension for Using Certificates with an External Pre-Shared KeyR. Housley | Proposed Standard | July 2026 |
| 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 |
| 9879 | Use of Password-Based Message Authentication Code 1 (PBMAC1) in PKCS #12 SyntaxA. Kario | Informational | September 2025 |
| 9846 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla | Proposed Standard | July 2026 |
| 9807 | The OPAQUE Augmented Password-Authenticated Key Exchange (aPAKE) ProtocolD. Bourdrez, H. Krawczyk, K. Lewi, C. A. Wood | Informational | July 2025 |
| 9705 | Refresh-Interval Independent RSVP Fast Reroute Facility ProtectionC. Ramachandran, T. Saad, D. Pacella | Proposed Standard | March 2025 |
| 9692 | RIFT: Routing in Fat TreesT. Przygienda, Ed., J. Head, Ed., A. Sharma, P. Thubert, B. Rijsman, D. Afanasiev | Proposed Standard | April 2025 |
| 9688 | Use of the SHA3 One-Way Hash Functions in the Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | November 2024 |
| 9684 | A YANG Data Model for Challenge-Response-Based Remote Attestation (CHARRA) Procedures Using Trusted Platform Modules (TPMs)H. Birkholz, M. Eckel, S. Bhandari, E. Voit, B. Sulzen, L. Xia, T. Laffey, G. C. Fedorkow | Proposed Standard | December 2024 |
| 9647 | A YANG Data Model for BabelM. Jethanandani, B. Stark | Proposed Standard | October 2024 |
| 9638 | Network Virtualization over Layer 3 (NVO3) Encapsulation ConsiderationsS. Boutros, D. Eastlake 3rd, Ed. | Informational | September 2024 |
| 9579 | Use of Password-Based Message Authentication Code 1 (PBMAC1) in PKCS #12 SyntaxH. Kario · obsoleted by RFC 9879 | Informational | May 2024 |
| 9548 | Generating Transport Key Containers (PFX) Using the GOST AlgorithmsE. Karelina, Ed. | Informational | May 2024 |
| 9481 | Certificate Management Protocol (CMP) AlgorithmsH. Brockhaus, H. Aschauer, M. Ounsworth, J. Gray | Proposed Standard | November 2023 |
| 9480 | Certificate Management Protocol (CMP) UpdatesH. Brockhaus, D. von Oheimb, J. Gray · obsoleted by RFC 9810, RFC 9811 | Proposed Standard | November 2023 |
| 9477 | Complaint Feedback Loop Address HeaderJ. Benecke | Experimental | September 2023 |
| 9421 | HTTP Message SignaturesA. Backman, Ed., J. Richer, Ed., M. Sporny | Proposed Standard | February 2024 |
| 9420 | The Messaging Layer Security (MLS) ProtocolR. Barnes, B. Beurdouche, R. Robert, J. Millican, E. Omara, K. Cohn-Gordon | Proposed Standard | July 2023 |
| 9415 | On the Generation of Transient Numeric IdentifiersF. Gont, I. Arce | Informational | July 2023 |
| 9385 | Using GOST Cryptographic Algorithms in the Internet Key Exchange Protocol Version 2 (IKEv2)V. Smyslov | Informational | May 2023 |
| 9383 | SPAKE2+, an Augmented Password-Authenticated Key Exchange (PAKE) ProtocolT. Taubert, C. A. Wood | Informational | September 2023 |
| 9382 | SPAKE2, a Password-Authenticated Key ExchangeW. Ladd | Informational | September 2023 |
| 9380 | Hashing to Elliptic CurvesA. Faz-Hernandez, S. Scott, N. Sullivan, R. S. Wahby, C. A. Wood | Informational | August 2023 |
| 9337 | Generating Password-Based Keys Using the GOST AlgorithmsE. Karelina, Ed. | Informational | December 2022 |
| 9303 | Locator/ID Separation Protocol Security (LISP-SEC)F. Maino, V. Ermagan, A. Cabellos, D. Saucez | Proposed Standard | October 2022 |
| 9261 | Exported Authenticators in TLSN. Sullivan | Proposed Standard | July 2022 |
| 9260 | Stream Control Transmission ProtocolR. Stewart, M. Tüxen, K. Nielsen | Proposed Standard | June 2022 |
| 9231 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd | Proposed Standard | July 2022 |
| 9227 | Using GOST Ciphers in the Encapsulating Security Payload (ESP) and Internet Key Exchange Version 2 (IKEv2) ProtocolsV. Smyslov | Informational | March 2022 |
| 9173 | Default Security Contexts for Bundle Protocol Security (BPSec)E. Birrane, III, A. White, S. Heiner | Proposed Standard | January 2022 |
| 9150 | TLS 1.3 Authentication and Integrity-Only Cipher SuitesN. Cam-Winget, J. Visoky | Informational | April 2022 |
| 9145 | Integrity Protection for the Network Service Header (NSH) and Encryption of Sensitive Context HeadersM. Boucadair, T. Reddy.K, D. Wing | Proposed Standard | December 2021 |
| 9140 | Nimble Out-of-Band Authentication for EAP (EAP-NOOB)T. Aura, M. Sethi, A. Peltonen | Proposed Standard | December 2021 |
| 9053 | CBOR Object Signing and Encryption (COSE): Initial AlgorithmsJ. Schaad | Informational | August 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 |
| 9046 | Babel Information ModelB. Stark, M. Jethanandani | Informational | June 2021 |
| 9045 | Algorithm Requirements Update to the Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)R. Housley | Proposed Standard | June 2021 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, 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 |
| 8972 | Simple Two-Way Active Measurement Protocol Optional ExtensionsG. Mirsky, X. Min, H. Nydell, R. Foote, A. Masputra, E. Ruffini | Proposed Standard | January 2021 |
| 8967 | MAC Authentication for the Babel Routing ProtocolC. Dô, W. Kolodziejak, J. Chroboczek | Proposed Standard | January 2021 |
| 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 |
| 8881 | Network File System (NFS) Version 4 Minor Version 1 ProtocolD. Noveck, Ed., C. Lever | Proposed Standard | August 2020 |
| 8773 | TLS 1.3 Extension for Certificate-Based Authentication with an External Pre-Shared KeyR. Housley · obsoleted by RFC 9973 | Experimental | March 2020 |
| 8762 | Simple Two-Way Active Measurement ProtocolG. Mirsky, G. Jun, H. Nydell, R. Foote | Proposed Standard | March 2020 |
| 8754 | IPv6 Segment Routing Header (SRH)C. Filsfils, Ed., D. Dukes, Ed., S. Previdi, J. Leddy, S. Matsushima, D. Voyer | Proposed Standard | March 2020 |
| 8684 | TCP Extensions for Multipath Operation with Multiple AddressesA. Ford, C. Raiciu, M. Handley, O. Bonaventure, C. Paasch | Proposed Standard | March 2020 |
| 8672 | TLS Server Identity Pinning with TicketsY. Sheffer, D. Migault | Experimental | October 2019 |
| 8609 | Content-Centric Networking (CCNx) Messages in TLV FormatM. Mosko, I. Solis, C. Wood | Experimental | July 2019 |
| 8548 | Cryptographic Protection of TCP Streams (tcpcrypt)A. Bittau, D. Giffin, M. Handley, D. Mazieres, Q. Slack, E. Smith | Experimental | May 2019 |
| 8492 | Secure Password Ciphersuites for Transport Layer Security (TLS)D. Harkins, Ed. | Informational | February 2019 |
| 8489 | Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D. Wing, R. Mahy, P. Matthews | Proposed Standard | February 2020 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8315 | Cancel-Locks in Netnews ArticlesM. Baeuerle | Proposed Standard | February 2018 |
| 8152 | CBOR Object Signing and Encryption (COSE)J. Schaad · obsoleted by RFC 9052, RFC 9053 | Proposed Standard | July 2017 |
| 8133 | The Security Evaluated Standardized Password-Authenticated Key Exchange (SESPAKE) ProtocolS. Smyshlyaev, Ed., E. Alekseev, I. Oshkin, V. Popov | Informational | March 2017 |
| 8120 | Mutual Authentication Protocol for HTTPY. Oiwa, H. Watanabe, H. Takagi, K. Maeda, T. Hayashi, Y. Ioku | Experimental | April 2017 |
| 8052 | Group Domain of Interpretation (GDOI) Protocol Support for IEC 62351 Security ServicesB. Weis, M. Seewald, H. Falk | Proposed Standard | June 2017 |
| 8018 | PKCS #5: Password-Based Cryptography Specification Version 2.1K. Moriarty, Ed., B. Kaliski, A. Rusch | Informational | January 2017 |
| 8009 | AES Encryption with HMAC-SHA2 for Kerberos 5M. Jenkins, M. Peck, K. Burgin | Informational | October 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 |
| 7860 | HMAC-SHA-2 Authentication Protocols in User-Based Security Model (USM) for SNMPv3J. Merkle, Ed., M. Lochter | Proposed Standard | April 2016 |
| 7836 | Guidelines on the Cryptographic Algorithms to Accompany the Usage of Standards GOST R 34.10-2012 and GOST R 34.11-2012S. Smyshlyaev, Ed., E. Alekseev, I. Oshkin, V. Popov, S. Leontiev, V. Podobaev, D. Belyavsky | Informational | March 2016 |
| 7804 | Salted Challenge Response HTTP Authentication MechanismA. Melnikov | Experimental | March 2016 |
| 7630 | HMAC-SHA-2 Authentication Protocols in the User-based Security Model (USM) for SNMPv3J. Merkle, Ed., M. Lochter · obsoleted by RFC 7860 | Proposed Standard | October 2015 |
| 7518 | JSON Web Algorithms (JWA)M. Jones | Proposed Standard | May 2015 |
| 7515 | JSON Web Signature (JWS)M. Jones, J. Bradley, N. Sakimura | Proposed Standard | May 2015 |
| 7474 | Security Extension for OSPFv2 When Using Manual Key ManagementM. Bhatia, S. Hartman, D. Zhang, A. Lindem, Ed. | Proposed Standard | April 2015 |
| 7425 | Adobe's RTMFP Profile for Flash CommunicationM. Thornburgh | Informational | December 2014 |
| 7376 | Problems with Session Traversal Utilities for NAT (STUN) Long-Term Authentication for Traversal Using Relays around NAT (TURN)T. Reddy, R. Ravindranath, M. Perumal, A. Yegin | Informational | September 2014 |
| 7349 | LDP Hello Cryptographic AuthenticationL. Zheng, M. Chen, M. Bhatia | Proposed Standard | August 2014 |
| 7329 | A Session Identifier for the Session Initiation Protocol (SIP)H. Kaplan · obsoleted by RFC 7989 | Informational | August 2014 |
| 7298 | Babel Hashed Message Authentication Code (HMAC) Cryptographic AuthenticationD. Ovsienko · obsoleted by RFC 8967 | Experimental | July 2014 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 7292 | PKCS #12: Personal Information Exchange Syntax v1.1K. Moriarty, Ed., M. Nystrom, S. Parkinson, A. Rusch, M. Scott | Informational | July 2014 |
| 7212 | MPLS Generic Associated Channel (G-ACh) Advertisement ProtocolD. Frost, S. Bryant, M. Bocci | Proposed Standard | June 2014 |
| 7210 | Database of Long-Lived Symmetric Cryptographic KeysR. Housley, T. Polk, S. Hartman, D. Zhang | Proposed Standard | April 2014 |
| 7182 | Integrity Check Value and Timestamp TLV Definitions for Mobile Ad Hoc Networks (MANETs)U. Herberg, T. Clausen, C. Dearlove | Proposed Standard | April 2014 |
| 7166 | Supporting Authentication Trailer for OSPFv3M. Bhatia, V. Manral, A. Lindem | Proposed Standard | March 2014 |
| 6979 | Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)T. Pornin | Informational | August 2013 |
| 6968 | FCAST: Object Delivery for the Asynchronous Layered Coding (ALC) and NACK-Oriented Reliable Multicast (NORM) ProtocolsV. Roca, B. Adamson | Experimental | July 2013 |
| 6955 | Diffie-Hellman Proof-of-Possession AlgorithmsJ. Schaad, H. Prafullchandra | Proposed Standard | May 2013 |
| 6952 | Analysis of BGP, LDP, PCEP, and MSDP Issues According to the Keying and Authentication for Routing Protocols (KARP) Design GuideM. Jethanandani, K. Patel, L. Zheng | Informational | May 2013 |
| 6931 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd · obsoleted by RFC 9231 | Proposed Standard | April 2013 |
| 6896 | SCS: KoanLogic's Secure Cookie Sessions for HTTPS. Barbato, S. Dorigotti, T. Fossati, Ed. | Informational | March 2013 |
| 6833 | Locator/ID Separation Protocol (LISP) Map-Server InterfaceV. Fuller, D. Farinacci · obsoleted by 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 |
| 6733 | Diameter Base ProtocolV. Fajardo, Ed., J. Arkko, J. Loughney, G. Zorn, Ed. | Proposed Standard | October 2012 |
| 6726 | FLUTE - File Delivery over Unidirectional TransportT. Paila, R. Walsh, M. Luby, V. Roca, R. Lehtonen | Proposed Standard | November 2012 |
| 6696 | EAP Extensions for the EAP Re-authentication Protocol (ERP)Z. Cao, B. He, Y. Shi, Q. Wu, Ed., G. Zorn, Ed. | Proposed Standard | July 2012 |
| 6668 | SHA-2 Data Integrity Verification for the Secure Shell (SSH) Transport Layer ProtocolD. Bider, M. Baushke | Proposed Standard | July 2012 |
| 6630 | EAP Re-authentication Protocol Extensions for Authenticated Anticipatory Keying (ERP/AAK)Z. Cao, H. Deng, Q. Wu, G. Zorn, Ed. | Proposed Standard | June 2012 |
| 6622 | Integrity Check Value and Timestamp TLV Definitions for Mobile Ad Hoc Networks (MANETs)U. Herberg, T. Clausen · obsoleted by RFC 7182 | Proposed Standard | May 2012 |
| 6617 | Secure Pre-Shared Key (PSK) Authentication for the Internet Key Exchange Protocol (IKE)D. Harkins | Experimental | June 2012 |
| 6590 | Redaction of Potentially Sensitive Data from Mail Abuse ReportsJ. Falk, Ed., M. Kucherawy, Ed. | Proposed Standard | April 2012 |
| 6584 | Simple Authentication Schemes for the Asynchronous Layered Coding (ALC) and NACK-Oriented Reliable Multicast (NORM) ProtocolsV. Roca | Proposed Standard | April 2012 |
| 6506 | Supporting Authentication Trailer for OSPFv3M. Bhatia, V. Manral, A. Lindem · obsoleted by RFC 7166 | Proposed Standard | February 2012 |
| 6367 | Addition of the Camellia Cipher Suites to Transport Layer Security (TLS)S. Kanno, M. Kanda | Informational | September 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 |
| 6281 | Understanding Apple's Back to My Mac (BTMM) ServiceS. Cheshire, Z. Zhu, R. Wakikawa, L. Zhang | Informational | June 2011 |
| 6275 | Mobility Support in IPv6C. Perkins, Ed., D. Johnson, J. Arkko | Proposed Standard | July 2011 |
| 6257 | Bundle Security Protocol SpecificationS. Symington, S. Farrell, H. Weiss, P. Lovell | Experimental | May 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 |
| 6189 | ZRTP: Media Path Key Agreement for Unicast Secure RTPP. Zimmermann, A. Johnston, Ed., J. Callas | Informational | April 2011 |
| 6151 | Updated Security Considerations for the MD5 Message-Digest and the HMAC-MD5 AlgorithmsS. Turner, L. Chen | Informational | March 2011 |
| 6150 | MD4 to Historic StatusS. Turner, L. Chen | Informational | March 2011 |
| 6149 | MD2 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 |
| 6101 | The Secure Sockets Layer (SSL) Protocol Version 3.0A. Freier, P. Karlton, P. Kocher | Historic | August 2011 |
| 6070 | PKCS #5: Password-Based Key Derivation Function 2 (PBKDF2) Test VectorsS. Josefsson | Informational | January 2011 |
| 6066 | Transport Layer Security (TLS) Extensions: Extension DefinitionsD. Eastlake 3rd | Proposed Standard | January 2011 |
| 6063 | Dynamic Symmetric Key Provisioning Protocol (DSKPP)A. Doherty, M. Pei, S. Machani, M. Nystrom | Proposed Standard | December 2010 |
| 6043 | MIKEY-TICKET: Ticket-Based Modes of Key Distribution in Multimedia Internet KEYing (MIKEY)J. Mattsson, T. Tian | Informational | March 2011 |
| 6039 | Issues with Existing Cryptographic Protection Methods for Routing ProtocolsV. Manral, M. Bhatia, J. Jaeggli, R. White | Informational | October 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 |
| 5981 | Authorization for NSIS Signaling Layer ProtocolsJ. Manner, M. Stiemerling, H. Tschofenig, R. Bless, Ed. | Experimental | February 2011 |
| 5944 | IP Mobility Support for IPv4, RevisedC. Perkins, Ed. | Proposed Standard | November 2010 |
| 5926 | Cryptographic Algorithms for the TCP Authentication Option (TCP-AO)G. Lebovitz, E. Rescorla | Proposed Standard | June 2010 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |
| 5912 | New ASN.1 Modules for the Public Key Infrastructure Using X.509 (PKIX)P. Hoffman, J. Schaad | Informational | June 2010 |
| 5880 | Bidirectional Forwarding Detection (BFD)D. Katz, D. Ward | Proposed Standard | June 2010 |
| 5869 | HMAC-based Extract-and-Expand Key Derivation Function (HKDF)H. Krawczyk, P. Eronen | Informational | May 2010 |
| 5849 | The OAuth 1.0 ProtocolE. Hammer-Lahav, Ed. · obsoleted by RFC 6749 | Informational | April 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 |
| 5776 | Use of Timed Efficient Stream Loss-Tolerant Authentication (TESLA) in the Asynchronous Layered Coding (ALC) and NACK-Oriented Reliable Multicast (NORM) ProtocolsV. Roca, A. Francillon, S. Faurite | Experimental | April 2010 |
| 5769 | Test Vectors for Session Traversal Utilities for NAT (STUN)R. Denis-Courmont | Informational | April 2010 |
| 5753 | Use of Elliptic Curve Cryptography (ECC) Algorithms in Cryptographic Message Syntax (CMS)S. Turner, D. Brown | Informational | 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 |
| 5669 | The SEED Cipher Algorithm and Its Use with the Secure Real-Time Transport Protocol (SRTP)S. Yoon, J. Kim, H. Park, H. Jeong, Y. Won | Proposed Standard | August 2010 |
| 5661 | Network File System (NFS) Version 4 Minor Version 1 ProtocolS. Shepler, Ed., M. Eisler, Ed., D. Noveck, Ed. · obsoleted by RFC 8881 | Proposed Standard | January 2010 |
| 5656 | Elliptic Curve Algorithm Integration in the Secure Shell Transport LayerD. Stebila, J. Green | Proposed Standard | December 2009 |
| 5626 | Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)C. Jennings, Ed., R. Mahy, Ed., F. Audet, Ed. | Proposed Standard | October 2009 |
| 5510 | Reed-Solomon Forward Error Correction (FEC) SchemesJ. Lacan, V. Roca, J. Peltotalo, S. Peltotalo | Proposed Standard | April 2009 |
| 5489 | ECDHE_PSK Cipher Suites for Transport Layer Security (TLS)M. Badra, I. Hajjeh | Informational | March 2009 |
| 5487 | Pre-Shared Key Cipher Suites for TLS with SHA-256/384 and AES Galois Counter ModeM. Badra | Proposed Standard | March 2009 |
| 5448 | Improved Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA')J. Arkko, V. Lehtovirta, P. Eronen | Informational | May 2009 |
| 5412 | Lightweight Access Point ProtocolP. Calhoun, R. Suri, N. Cam-Winget, M. Williams, S. Hares, B. O'Hara, S. Kelly | Historic | February 2010 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5327 | Licklider Transmission Protocol - Security ExtensionsS. Farrell, M. Ramadas, S. Burleigh | Experimental | September 2008 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 5304 | IS-IS Cryptographic AuthenticationT. Li, R. Atkinson | Proposed Standard | October 2008 |
| 5297 | Synthetic Initialization Vector (SIV) Authenticated Encryption Using the Advanced Encryption Standard (AES)D. Harkins | Informational | October 2008 |
| 5296 | EAP Extensions for EAP Re-authentication Protocol (ERP)V. Narayanan, L. Dondeti · obsoleted by RFC 6696 | Proposed Standard | August 2008 |
| 5289 | TLS Elliptic Curve Cipher Suites with SHA-256/384 and AES Galois Counter Mode (GCM)E. Rescorla | Proposed Standard | August 2008 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5209 | Network Endpoint Assessment (NEA): Overview and RequirementsP. Sangster, H. Khosravi, M. Mani, K. Narayan, J. Tardo | 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 |
| 5170 | Low Density Parity Check (LDPC) Staircase and Triangle Forward Error Correction (FEC) SchemesV. Roca, C. Neumann, D. Furodet | Proposed Standard | June 2008 |
| 5116 | An Interface and Algorithms for Authenticated EncryptionD. McGrew | Proposed Standard | January 2008 |
| 5054 | Using the Secure Remote Password (SRP) Protocol for TLS AuthenticationD. Taylor, T. Wu, N. Mavrogiannopoulos, T. Perrin | Informational | November 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 |
| 4895 | Authenticated Chunks for the Stream Control Transmission Protocol (SCTP)M. Tuexen, R. Stewart, P. Lei, E. Rescorla | Proposed Standard | August 2007 |
| 4868 | Using HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512 with IPsecS. Kelly, S. Frankel | Proposed Standard | May 2007 |
| 4822 | RIPv2 Cryptographic AuthenticationR. Atkinson, M. Fanto | Proposed Standard | February 2007 |
| 4793 | The EAP Protected One-Time Password Protocol (EAP-POTP)M. Nystroem | Informational | February 2007 |
| 4763 | Extensible Authentication Protocol Method for Shared-secret Authentication and Key Establishment (EAP-SAKE)M. Vanderveen, H. Soliman | Informational | November 2006 |
| 4758 | Cryptographic Token Key Initialization Protocol (CT-KIP) Version 1.0 Revision 1M. Nystroem | Informational | November 2006 |
| 4757 | The RC4-HMAC Kerberos Encryption Types Used by Microsoft WindowsK. Jaganathan, L. Zhu, J. Brezak | Historic | December 2006 |
| 4721 | Mobile IPv4 Challenge/Response Extensions (Revised)C. Perkins, P. Calhoun, J. Bharatia | Proposed Standard | January 2007 |
| 4705 | GigaBeam High-Speed Radio Link EncryptionR. Housley, A. Corry | Informational | October 2006 |
| 4656 | A One-way Active Measurement Protocol (OWAMP)S. Shalunov, B. Teitelbaum, A. Karp, J. Boote, M. Zekauskas | Proposed Standard | September 2006 |
| 4650 | HMAC-Authenticated Diffie-Hellman for Multimedia Internet KEYing (MIKEY)M. Euchner | Proposed Standard | September 2006 |
| 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 |
| 4595 | Use of IKEv2 in the Fibre Channel Security Association Management ProtocolF. Maino, D. Black | Informational | July 2006 |
| 4568 | Session Description Protocol (SDP) Security Descriptions for Media StreamsF. Andreasen, M. Baugher, D. Wing | Proposed Standard | July 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 |
| 4494 | The AES-CMAC-96 Algorithm and Its Use with IPsecJH. Song, R. Poovendran, J. Lee | Proposed Standard | June 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 |
| 4460 | Stream Control Transmission Protocol (SCTP) Specification Errata and IssuesR. Stewart, I. Arias-Rodriguez, K. Poon, A. Caro, M. Tuexen · obsoleted by RFC 9260 | Informational | April 2006 |
| 4383 | The Use of Timed Efficient Stream Loss-Tolerant Authentication (TESLA) in the Secure Real-time Transport Protocol (SRTP)M. Baugher, E. Carrara | Proposed Standard | February 2006 |
| 4380 | Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)C. Huitema | Proposed Standard | February 2006 |
| 4366 | Transport Layer Security (TLS) ExtensionsS. Blake-Wilson, M. Nystrom, D. Hopwood, J. Mikkelsen, T. Wright · obsoleted by RFC 5246, RFC 6066 | Proposed Standard | April 2006 |
| 4357 | Additional Cryptographic Algorithms for Use with GOST 28147-89, GOST R 34.10-94, GOST R 34.10-2001, and GOST R 34.11-94 AlgorithmsV. Popov, I. Kurepkin, S. Leontiev | Informational | January 2006 |
| 4346 | The Transport Layer Security (TLS) Protocol Version 1.1T. Dierks, E. Rescorla · obsoleted by RFC 5246 | Historic | April 2006 |
| 4308 | Cryptographic Suites for IPsecP. Hoffman | Proposed Standard | December 2005 |
| 4307 | Cryptographic Algorithms for Use in the Internet Key Exchange Version 2 (IKEv2)J. Schiller · obsoleted by RFC 8247 | Proposed Standard | December 2005 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 4294 | IPv6 Node RequirementsJ. Loughney, Ed. · obsoleted by RFC 6434 | Informational | April 2006 |
| 4278 | Standards Maturity Variance Regarding the TCP MD5 Signature Option (RFC 2385) and the BGP-4 SpecificationS. Bellovin, A. Zinin | Informational | January 2006 |
| 4253 | The Secure Shell (SSH) Transport Layer ProtocolT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4251 | The Secure Shell (SSH) Protocol ArchitectureT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4231 | Identifiers and Test Vectors for HMAC-SHA-224, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512M. Nystrom | Proposed Standard | December 2005 |
| 4230 | RSVP Security PropertiesH. Tschofenig, R. Graveman | Informational | December 2005 |
| 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 |
| 4210 | Internet X.509 Public Key Infrastructure Certificate Management Protocol (CMP)C. Adams, S. Farrell, T. Kause, T. Mononen · obsoleted by RFC 9810 | Proposed Standard | September 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 |
| 4169 | Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA) Version-2V. Torvinen, J. Arkko, M. Naslund | Informational | November 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 |
| 4051 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd · obsoleted by RFC 6931 | Proposed Standard | April 2005 |
| 4030 | The Authentication Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent OptionM. Stapp, T. Lemon | Proposed Standard | April 2005 |
| 4004 | Diameter Mobile IPv4 ApplicationP. Calhoun, T. Johansson, C. Perkins, T. Hiller, Ed., P. McCann | Proposed Standard | August 2005 |
| 3967 | Clarifying when Standards Track Documents may Refer Normatively to Documents at a Lower LevelR. Bush, T. Narten | Best Current Practice | January 2005 |
| 3961 | Encryption and Checksum Specifications for Kerberos 5K. Raeburn | Proposed Standard | February 2005 |
| 3957 | Authentication, Authorization, and Accounting (AAA) Registration Keys for Mobile IPv4C. Perkins, P. Calhoun | Proposed Standard | March 2005 |
| 3931 | Layer Two Tunneling Protocol - Version 3 (L2TPv3)J. Lau, Ed., M. Townsley, Ed., I. Goyret, Ed. | Proposed Standard | March 2005 |
| 3830 | MIKEY: Multimedia Internet KEYingJ. Arkko, E. Carrara, F. Lindholm, M. Naslund, K. Norrman | Proposed Standard | August 2004 |
| 3821 | Fibre Channel Over TCP/IP (FCIP)M. Rajagopal, E. Rodriguez, R. Weber | Proposed Standard | July 2004 |
| 3795 | Survey of IPv4 Addresses in Currently Deployed IETF Application Area Standards Track and Experimental DocumentsR. Sofia, P. Nesser, II | Informational | June 2004 |
| 3775 | Mobility Support in IPv6D. Johnson, C. Perkins, J. Arkko · obsoleted by RFC 6275 | Proposed Standard | June 2004 |
| 3723 | Securing Block Storage Protocols over IPB. Aboba, J. Tseng, J. Walker, V. Rangan, F. Travostino | Proposed Standard | April 2004 |
| 3711 | The Secure Real-time Transport Protocol (SRTP)M. Baugher, D. McGrew, M. Naslund, E. Carrara, K. Norrman | Proposed Standard | March 2004 |
| 3652 | Handle System Protocol (ver 2.1) SpecificationS. Sun, S. Reilly, L. Lannom, J. Petrone | Informational | November 2003 |
| 3631 | Security Mechanisms for the InternetS. Bellovin, Ed., J. Schiller, Ed., C. Kaufman, Ed. | Informational | December 2003 |
| 3618 | Multicast Source Discovery Protocol (MSDP)B. Fenner, Ed., D. Meyer, Ed. | Experimental | October 2003 |
| 3599 | Request for Comments Summary RFC Numbers 3500-3599S. Ginoza | Informational | December 2003 |
| 3580 | IEEE 802.1X Remote Authentication Dial In User Service (RADIUS) Usage GuidelinesP. Congdon, B. Aboba, A. Smith, G. Zorn, J. Roese | Informational | September 2003 |
| 3579 | RADIUS (Remote Authentication Dial In User Service) Support For Extensible Authentication Protocol (EAP)B. Aboba, P. Calhoun | Informational | September 2003 |
| 3576 | Dynamic Authorization Extensions to Remote Authentication Dial In User Service (RADIUS)M. Chiba, G. Dommety, M. Eklund, D. Mitton, B. Aboba · obsoleted by RFC 5176 | Informational | July 2003 |
| 3567 | Intermediate System to Intermediate System (IS-IS) Cryptographic AuthenticationT. Li, R. Atkinson · obsoleted by RFC 5304 | Informational | July 2003 |
| 3566 | The AES-XCBC-MAC-96 Algorithm and Its Use With IPsecS. Frankel, H. Herbert | Proposed Standard | September 2003 |
| 3546 | Transport Layer Security (TLS) ExtensionsS. Blake-Wilson, M. Nystrom, D. Hopwood, J. Mikkelsen, T. Wright · obsoleted by RFC 4366 | Proposed Standard | June 2003 |
| 3537 | Wrapping a Hashed Message Authentication Code (HMAC) key with a Triple-Data Encryption Standard (DES) Key or an Advanced Encryption Standard (AES) KeyJ. Schaad, R. Housley | Proposed Standard | May 2003 |
| 3520 | Session Authorization Policy ElementL-N. Hamer, B. Gage, B. Kosinski, H. Shieh | Proposed Standard | April 2003 |
| 3489 | STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)J. Rosenberg, J. Weinberger, C. Huitema, R. Mahy · obsoleted by RFC 5389 | Proposed Standard | March 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 |
| 3410 | Introduction and Applicability Statements for Internet-Standard Management FrameworkJ. Case, R. Mundy, D. Partain, B. Stewart | Informational | December 2002 |
| 3370 | Cryptographic Message Syntax (CMS) AlgorithmsR. Housley | Proposed Standard | September 2002 |
| 3344 | IP Mobility Support for IPv4C. Perkins, Ed. · obsoleted by RFC 5944 | Proposed Standard | August 2002 |
| 3316 | Internet Protocol Version 6 (IPv6) for Some Second and Third Generation Cellular HostsJ. Arkko, G. Kuijpers, H. Soliman, J. Loughney, J. Wiljakka · obsoleted by RFC 7066 | Informational | May 2003 |
| 3315 | Dynamic Host Configuration Protocol for IPv6 (DHCPv6)R. Droms, Ed., J. Bound, B. Volz, T. Lemon, C. Perkins, M. Carney · obsoleted by RFC 8415 | Proposed Standard | July 2003 |
| 3275 | (Extensible Markup Language) XML-Signature Syntax and ProcessingD. Eastlake 3rd, J. Reagle, D. Solo | Draft Standard | March 2002 |
| 3259 | A Message Bus for Local CoordinationJ. Ott, C. Perkins, D. Kutscher | Informational | May 2002 |
| 3220 | IP Mobility Support for IPv4C. Perkins, Ed. · obsoleted by RFC 3344 | Proposed Standard | January 2002 |
| 3118 | Authentication for DHCP MessagesR. Droms, Ed., W. Arbaugh, Ed. | Proposed Standard | June 2001 |
| 3075 | XML-Signature Syntax and ProcessingD. Eastlake 3rd, J. Reagle, D. Solo · obsoleted by RFC 3275 | Proposed Standard | March 2001 |
| 3040 | Internet Web Replication and Caching TaxonomyI. Cooper, I. Melve, G. Tomlinson | Informational | January 2001 |
| 3012 | Mobile IPv4 Challenge/Response ExtensionsC. Perkins, P. Calhoun · obsoleted by RFC 4721 | Proposed Standard | November 2000 |
| 2960 | Stream Control Transmission ProtocolR. Stewart, Q. Xie, K. Morneault, C. Sharp, H. Schwarzbauer, T. Taylor, I. Rytina, M. Kalla, L. Zhang, V. Paxson · obsoleted by RFC 4960 | Proposed Standard | October 2000 |
| 2945 | The SRP Authentication and Key Exchange SystemT. Wu | Proposed Standard | September 2000 |
| 2930 | Secret Key Establishment for DNS (TKEY RR)D. Eastlake 3rd | Proposed Standard | September 2000 |
| 2898 | PKCS #5: Password-Based Cryptography Specification Version 2.0B. Kaliski · obsoleted by RFC 8018 | Informational | September 2000 |
| 2875 | Diffie-Hellman Proof-of-Possession AlgorithmsH. Prafullchandra, J. Schaad · obsoleted by RFC 6955 | Proposed Standard | July 2000 |
| 2869 | RADIUS ExtensionsC. Rigney, W. Willats, P. Calhoun | Informational | June 2000 |
| 2857 | The Use of HMAC-RIPEMD-160-96 within ESP and AHA. Keromytis, N. Provos | Proposed Standard | June 2000 |
| 2847 | LIPKEY - A Low Infrastructure Public Key Mechanism Using SPKMM. Eisler | Proposed Standard | June 2000 |
| 2845 | Secret Key Transaction Authentication for DNS (TSIG)P. Vixie, O. Gudmundsson, D. Eastlake 3rd, B. Wellington · obsoleted by RFC 8945 | Proposed Standard | May 2000 |
| 2831 | Using Digest Authentication as a SASL MechanismP. Leach, C. Newman · obsoleted by RFC 6331 | Historic | May 2000 |
| 2828 | Internet Security GlossaryR. Shirey · obsoleted by RFC 4949 | Informational | May 2000 |
| 2802 | Digital Signatures for the v1.0 Internet Open Trading Protocol (IOTP)K. Davidson, Y. Kawatsura | Informational | April 2000 |
| 2801 | Internet Open Trading Protocol - IOTP Version 1.0D. Burdett | Informational | April 2000 |
| 2797 | Certificate Management Messages over CMSM. Myers, X. Liu, J. Schaad, J. Weinstein · obsoleted by RFC 5272 | Proposed Standard | April 2000 |
| 2756 | Hyper Text Caching Protocol (HTCP/0.0)P. Vixie, D. Wessels | Experimental | January 2000 |
| 2748 | The COPS (Common Open Policy Service) ProtocolD. Durham, Ed., J. Boyle, R. Cohen, S. Herzog, R. Rajan, A. Sastry | Proposed Standard | January 2000 |
| 2747 | RSVP Cryptographic AuthenticationF. Baker, B. Lindell, M. Talwar | Proposed Standard | January 2000 |
| 2693 | SPKI Certificate TheoryC. Ellison, B. Frantz, B. Lampson, R. Rivest, B. Thomas, T. Ylonen | Experimental | September 1999 |
| 2660 | The Secure HyperText Transfer ProtocolE. Rescorla, A. Schiffman | Historic | August 1999 |
| 2630 | Cryptographic Message SyntaxR. Housley · obsoleted by RFC 3369, RFC 3370 | Proposed Standard | June 1999 |
| 2574 | User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)U. Blumenthal, B. Wijnen · obsoleted by RFC 3414 | Draft Standard | April 1999 |
| 2570 | Introduction to Version 3 of the Internet-standard Network Management FrameworkJ. Case, R. Mundy, D. Partain, B. Stewart · obsoleted by RFC 3410 | Informational | April 1999 |
| 2520 | NHRP with Mobile NHCsJ. Luciani, H. Suzuki, N. Doraswamy, D. Horton | Experimental | February 1999 |
| 2516 | A Method for Transmitting PPP Over Ethernet (PPPoE)L. Mamakos, K. Lidl, J. Evarts, D. Carrel, D. Simone, R. Wheeler | Informational | February 1999 |
| 2511 | Internet X.509 Certificate Request Message FormatM. Myers, C. Adams, D. Solo, D. Kemp · obsoleted by RFC 4211 | Proposed Standard | March 1999 |
| 2510 | Internet X.509 Public Key Infrastructure Certificate Management ProtocolsC. Adams, S. Farrell · obsoleted by RFC 4210 | Proposed Standard | March 1999 |
| 2411 | IP Security Document RoadmapR. Thayer, N. Doraswamy, R. Glenn · obsoleted by RFC 6071 | Informational | November 1998 |
| 2409 | The Internet Key Exchange (IKE)D. Harkins, D. Carrel · obsoleted by RFC 4306 | Historic | November 1998 |
| 2404 | The Use of HMAC-SHA-1-96 within ESP and AHC. Madson, R. Glenn | Proposed Standard | November 1998 |
| 2403 | The Use of HMAC-MD5-96 within ESP and AHC. Madson, R. Glenn | Proposed Standard | November 1998 |
| 2378 | The CCSO Nameserver (Ph) ArchitectureR. Hedberg, P. Pomes | Informational | September 1998 |
| 2337 | Intra-LIS IP multicast among routers over ATM using Sparse Mode PIMD. Farinacci, D. Meyer, Y. Rekhter | Experimental | April 1998 |
| 2334 | Server Cache Synchronization Protocol (SCSP)J. Luciani, G. Armitage, J. Halpern, N. Doraswamy | Proposed Standard | April 1998 |
| 2332 | NBMA Next Hop Resolution Protocol (NHRP)J. Luciani, D. Katz, D. Piscitello, B. Cole, N. Doraswamy | Proposed Standard | April 1998 |
| 2316 | Report of the IAB Security Architecture WorkshopS. Bellovin | Informational | April 1998 |
| 2286 | Test Cases for HMAC-RIPEMD160 and HMAC-RIPEMD128J. Kapp | Informational | February 1998 |
| 2274 | User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)U. Blumenthal, B. Wijnen · obsoleted by RFC 2574 | Proposed Standard | January 1998 |
| 2264 | User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)U. Blumenthal, B. Wijnen · obsoleted by RFC 2274 | Proposed Standard | January 1998 |
| 2246 | The TLS Protocol Version 1.0T. Dierks, C. Allen · obsoleted by RFC 4346 | Historic | January 1999 |
| 2202 | Test Cases for HMAC-MD5 and HMAC-SHA-1P. Cheng, R. Glenn | Informational | September 1997 |
| 2195 | IMAP/POP AUTHorize Extension for Simple Challenge/ResponseJ. Klensin, R. Catoe, P. Krumviede | Proposed Standard | September 1997 |
| 2085 | HMAC-MD5 IP Authentication with Replay PreventionM. Oehler, R. Glenn | Proposed Standard | February 1997 |