| 9985 | Optimizing Bidirectional Forwarding Detection (BFD) AuthenticationM. Jethanandani, A. Mishra, J. Haas, A. Saxena, M. Bhatia | Experimental | June 2026 |
| 9765 | RADIUS/1.1: Leveraging Application-Layer Protocol Negotiation (ALPN) to Remove MD5A. DeKok | Experimental | April 2025 |
| 9710 | Simple Fixes to the IP Flow Information Export (IPFIX) Entities IANA RegistryM. Boucadair, B. Claise | Proposed Standard | February 2025 |
| 9639 | Free Lossless Audio Codec (FLAC)M.Q.C. van Beurden, A. Weaver | Proposed Standard | December 2024 |
| 9580 | OpenPGPP. Wouters, Ed., D. Huigens, J. Winter, Y. Niibe | Proposed Standard | July 2024 |
| 9562 | Universally Unique IDentifiers (UUIDs)K. Davis, B. Peabody, P. Leach | Proposed Standard | May 2024 |
| 9530 | Digest FieldsR. Polli, L. Pardue | Proposed Standard | February 2024 |
| 9415 | On the Generation of Transient Numeric IdentifiersF. Gont, I. Arce | Informational | July 2023 |
| 9249 | A YANG Data Model for NTPN. Wu, D. Dhody, Ed., A. Sinha, Ed., A. Kumar S N, Y. Zhao | Proposed Standard | July 2022 |
| 9231 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd | Proposed Standard | July 2022 |
| 8981 | Temporary Address Extensions for Stateless Address Autoconfiguration in IPv6F. Gont, S. Krishnan, T. Narten, R. Draves | Proposed Standard | February 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 |
| 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 |
| 8732 | Generic Security Service Application Program Interface (GSS-API) Key Exchange with SHA-2S. Sorce, H. Kario | Proposed Standard | February 2020 |
| 8636 | Public Key Cryptography for Initial Authentication in Kerberos (PKINIT) Algorithm AgilityL. Hornquist Astrand, L. Zhu, M. Cullen, G. Hudson | Proposed Standard | July 2019 |
| 8573 | Message Authentication Code for the Network Time ProtocolA. Malhotra, S. Goldberg | Proposed Standard | June 2019 |
| 8493 | The BagIt File Packaging Format (V1.0)J. Kunze, J. Littman, E. Madden, J. Scancella, C. Adams | Informational | October 2018 |
| 8489 | Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D. Wing, R. Mahy, P. Matthews | Proposed Standard | February 2020 |
| 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 |
| 8018 | PKCS #5: Password-Based Cryptography Specification Version 2.1K. Moriarty, Ed., B. Kaliski, A. Rusch | Informational | January 2017 |
| 8017 | PKCS #1: RSA Cryptography Specifications Version 2.2K. Moriarty, Ed., B. Kaliski, J. Jonsson, A. Rusch | Informational | November 2016 |
| 7943 | A Method for Generating Semantically Opaque Interface Identifiers (IIDs) with the Dynamic Host Configuration Protocol for IPv6 (DHCPv6)F. Gont, W. Liu | Informational | September 2016 |
| 7869 | The "vnc" URI SchemeD. Warden, I. Iordanov | Informational | May 2016 |
| 7860 | HMAC-SHA-2 Authentication Protocols in User-Based Security Model (USM) for SNMPv3J. Merkle, Ed., M. Lochter | Proposed Standard | April 2016 |
| 7788 | Home Networking Control ProtocolM. Stenberg, S. Barth, P. Pfister | Proposed Standard | April 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 |
| 7568 | Deprecating Secure Sockets Layer Version 3.0R. Barnes, M. Thomson, A. Pironti, A. Langley | Proposed Standard | June 2015 |
| 7492 | Analysis of Bidirectional Forwarding Detection (BFD) Security According to the Keying and Authentication for Routing Protocols (KARP) Design GuidelinesM. Bhatia, D. Zhang, M. Jethanandani | Informational | March 2015 |
| 7360 | Datagram Transport Layer Security (DTLS) as a Transport Layer for RADIUSA. DeKok | Experimental | September 2014 |
| 7317 | A YANG Data Model for System ManagementA. Bierman, M. Bjorklund | Proposed Standard | August 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 |
| 7217 | A Method for Generating Semantically Opaque Interface Identifiers with IPv6 Stateless Address Autoconfiguration (SLAAC)F. Gont | Proposed Standard | April 2014 |
| 6931 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd · obsoleted by RFC 9231 | Proposed Standard | April 2013 |
| 6929 | Remote Authentication Dial In User Service (RADIUS) Protocol ExtensionsA. DeKok, A. Lior | Proposed Standard | April 2013 |
| 6632 | An Overview of the IETF Network Management StandardsM. Ersue, Ed., B. Claise | Informational | June 2012 |
| 6528 | Defending against Sequence Number AttacksF. Gont, S. Bellovin · obsoleted by RFC 9293 | Proposed Standard | February 2012 |
| 6210 | Experiment: Hash Functions with Parameters in the Cryptographic Message Syntax (CMS) and S/MIMEJ. Schaad | Experimental | April 2011 |
| 6176 | Prohibiting Secure Sockets Layer (SSL) Version 2.0S. Turner, T. Polk | Proposed Standard | March 2011 |
| 6158 | RADIUS Design GuidelinesA. DeKok, Ed., G. Weber | Best Current Practice | March 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 |
| 6101 | The Secure Sockets Layer (SSL) Protocol Version 3.0A. Freier, P. Karlton, P. Kocher | Historic | August 2011 |
| 6094 | Summary of Cryptographic Authentication Algorithm Implementation Requirements for Routing ProtocolsM. Bhatia, V. Manral | Informational | February 2011 |
| 6056 | Recommendations for Transport-Protocol Port RandomizationM. Larsen, F. Gont | Best Current Practice | January 2011 |
| 6039 | Issues with Existing Cryptographic Protection Methods for Routing ProtocolsV. Manral, M. Bhatia, J. Jaeggli, R. White | Informational | 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 |
| 5944 | IP Mobility Support for IPv4, RevisedC. Perkins, Ed. | Proposed Standard | November 2010 |
| 5929 | Channel Bindings for TLSJ. Altman, N. Williams, L. Zhu | Proposed Standard | July 2010 |
| 5927 | ICMP Attacks against TCPF. Gont | Informational | July 2010 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 5905 | Network Time Protocol Version 4: Protocol and Algorithms SpecificationD. Mills, J. Martin, Ed., J. Burbank, W. Kasch | Proposed Standard | June 2010 |
| 5880 | Bidirectional Forwarding Detection (BFD)D. Katz, D. Ward | Proposed Standard | June 2010 |
| 5843 | Additional Hash Algorithms for HTTP Instance DigestsA. Bryan | Informational | April 2010 |
| 5655 | Specification of the IP Flow Information Export (IPFIX) File FormatB. Trammell, E. Boschi, L. Mark, T. Zseby, A. Wagner | Proposed Standard | October 2009 |
| 5456 | IAX: Inter-Asterisk eXchange Version 2M. Spencer, B. Capouch, E. Guy, Ed., F. Miller, K. Shumard | Informational | February 2010 |
| 5440 | Path Computation Element (PCE) Communication Protocol (PCEP)JP. Vasseur, Ed., JL. Le Roux, Ed. | Proposed Standard | March 2009 |
| 5415 | Control And Provisioning of Wireless Access Points (CAPWAP) Protocol SpecificationP. Calhoun, Ed., M. Montemurro, Ed., D. Stanley, Ed. | Proposed Standard | March 2009 |
| 5393 | Addressing an Amplification Vulnerability in Session Initiation Protocol (SIP) Forking ProxiesR. Sparks, Ed., S. Lawrence, A. Hawrylyshen, B. Campen | Proposed Standard | December 2008 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5176 | Dynamic Authorization Extensions to Remote Authentication Dial In User Service (RADIUS)M. Chiba, G. Dommety, M. Eklund, D. Mitton, B. Aboba | Informational | January 2008 |
| 5172 | Negotiation for IPv6 Datagram Compression Using IPv6 Control ProtocolS. Varada, Ed. | Proposed Standard | March 2008 |
| 5147 | URI Fragment Identifiers for the text/plain Media TypeE. Wilde, M. Duerst | Proposed Standard | April 2008 |
| 5126 | CMS Advanced Electronic Signatures (CAdES)D. Pinkas, N. Pope, J. Ross | Informational | March 2008 |
| 5072 | IP Version 6 over PPPS. Varada, Ed., D. Haskins, E. Allen | Draft Standard | September 2007 |
| 5036 | LDP SpecificationL. Andersson, Ed., I. Minei, Ed., B. Thomas, Ed. | Draft Standard | October 2007 |
| 4987 | TCP SYN Flooding Attacks and Common MitigationsW. Eddy | Informational | August 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 |
| 4822 | RIPv2 Cryptographic AuthenticationR. Atkinson, M. Fanto | Proposed Standard | February 2007 |
| 4782 | Quick-Start for TCP and IPS. Floyd, M. Allman, A. Jain, P. Sarolahti | Experimental | January 2007 |
| 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 |
| 4716 | The Secure Shell (SSH) Public Key File FormatJ. Galbraith, R. Thayer | Informational | November 2006 |
| 4712 | Transport Mappings for Real-time Application Quality-of-Service Monitoring (RAQMON) Protocol Data Unit (PDU)A. Siddiqui, D. Romascanu, E. Golovinsky, M. Rahman, Y. Kim | Proposed Standard | October 2006 |
| 4635 | HMAC SHA (Hashed Message Authentication Code, Secure Hash Algorithm) TSIG Algorithm IdentifiersD. Eastlake 3rd · obsoleted by RFC 8945 | Proposed Standard | August 2006 |
| 4620 | IPv6 Node Information QueriesM. Crawford, B. Haberman, Ed. | Experimental | August 2006 |
| 4595 | Use of IKEv2 in the Fibre Channel Security Association Management ProtocolF. Maino, D. Black | Informational | July 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 |
| 4346 | The Transport Layer Security (TLS) Protocol Version 1.1T. Dierks, E. Rescorla · obsoleted by RFC 5246 | Historic | April 2006 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 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 |
| 4230 | RSVP Security PropertiesH. Tschofenig, R. Graveman | Informational | December 2005 |
| 4122 | A Universally Unique IDentifier (UUID) URN NamespaceP. Leach, M. Mealling, R. Salz · obsoleted by RFC 9562 | Proposed Standard | July 2005 |
| 4051 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd · obsoleted by RFC 6931 | Proposed Standard | April 2005 |
| 3967 | Clarifying when Standards Track Documents may Refer Normatively to Documents at a Lower LevelR. Bush, T. Narten | Best Current Practice | January 2005 |
| 3931 | Layer Two Tunneling Protocol - Version 3 (L2TPv3)J. Lau, Ed., M. Townsley, Ed., I. Goyret, Ed. | Proposed Standard | March 2005 |
| 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 |
| 3723 | Securing Block Storage Protocols over IPB. Aboba, J. Tseng, J. Walker, V. Rangan, F. Travostino | Proposed Standard | April 2004 |
| 3652 | Handle System Protocol (ver 2.1) SpecificationS. Sun, S. Reilly, L. Lannom, J. Petrone | Informational | November 2003 |
| 3651 | Handle System Namespace and Service DefinitionS. Sun, S. Reilly, L. Lannom | Informational | November 2003 |
| 3631 | Security Mechanisms for the InternetS. Bellovin, Ed., J. Schiller, Ed., C. Kaufman, Ed. | 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 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3520 | Session Authorization Policy ElementL-N. Hamer, B. Gage, B. Kosinski, H. Shieh | Proposed Standard | April 2003 |
| 3452 | Forward Error Correction (FEC) Building BlockM. Luby, L. Vicisano, J. Gemmell, L. Rizzo, M. Handley, J. Crowcroft · obsoleted by RFC 5052, RFC 5445 | Experimental | December 2002 |
| 3451 | Layered Coding Transport (LCT) Building BlockM. Luby, J. Gemmell, L. Vicisano, L. Rizzo, M. Handley, J. Crowcroft · obsoleted by RFC 5651 | Experimental | December 2002 |
| 3447 | Public-Key Cryptography Standards (PKCS) #1: RSA Cryptography Specifications Version 2.1J. Jonsson, B. Kaliski · obsoleted by RFC 8017 | Informational | February 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 |
| 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 |
| 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 |
| 3275 | (Extensible Markup Language) XML-Signature Syntax and ProcessingD. Eastlake 3rd, J. Reagle, D. Solo | Draft Standard | March 2002 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |
| 3259 | A Message Bus for Local CoordinationJ. Ott, C. Perkins, D. Kutscher | Informational | May 2002 |
| 3257 | Stream Control Transmission Protocol Applicability StatementL. Coene | Informational | April 2002 |
| 3230 | Instance Digests in HTTPJ. Mogul, A. Van Hoff · obsoleted by RFC 9530 | Proposed Standard | January 2002 |
| 3224 | Vendor Extensions for Service Location Protocol, Version 2E. Guttman | Proposed Standard | January 2002 |
| 3220 | IP Mobility Support for IPv4C. Perkins, Ed. · obsoleted by RFC 3344 | Proposed Standard | January 2002 |
| 3208 | PGM Reliable Transport Protocol SpecificationT. Speakman, J. Crowcroft, J. Gemmell, D. Farinacci, S. Lin, D. Leshchiner, M. Luby, T. Montgomery, L. Rizzo, A. Tweedly, N. Bhaskar, R. Edmonstone, R. Sumanasekera, L. Vicisano | Experimental | December 2001 |
| 3188 | Using National Bibliography Numbers as Uniform Resource NamesJ. Hakala · obsoleted by RFC 8458 | Informational | October 2001 |
| 3174 | US Secure Hash Algorithm 1 (SHA1)D. Eastlake 3rd, P. Jones | Informational | September 2001 |
| 3161 | Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP)C. Adams, P. Cain, D. Pinkas, R. Zuccherato | Proposed Standard | August 2001 |
| 3118 | Authentication for DHCP MessagesR. Droms, Ed., W. Arbaugh, Ed. | Proposed Standard | June 2001 |
| 3112 | LDAP Authentication Password SchemaK. Zeilenga | Informational | May 2001 |
| 3110 | RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS)D. Eastlake 3rd | Proposed Standard | May 2001 |
| 3036 | LDP SpecificationL. Andersson, P. Doolan, N. Feldman, A. Fredette, B. Thomas · obsoleted by RFC 5036 | Proposed Standard | January 2001 |
| 3012 | Mobile IPv4 Challenge/Response ExtensionsC. Perkins, P. Calhoun · obsoleted by RFC 4721 | Proposed Standard | November 2000 |
| 2961 | RSVP Refresh Overhead Reduction ExtensionsL. Berger, D. Gan, G. Swallow, P. Pan, F. Tommasi, S. Molendini | Proposed Standard | April 2001 |
| 2945 | The SRP Authentication and Key Exchange SystemT. Wu | Proposed Standard | September 2000 |
| 2938 | Identifying Composite Media FeaturesG. Klyne, L. Masinter | Proposed Standard | September 2000 |
| 2924 | Accounting Attributes and Record FormatsN. Brownlee, A. Blount | Informational | September 2000 |
| 2898 | PKCS #5: Password-Based Cryptography Specification Version 2.0B. Kaliski · obsoleted by RFC 8018 | Informational | September 2000 |
| 2865 | Remote Authentication Dial In User Service (RADIUS)C. Rigney, S. Willens, A. Rubens, W. Simpson | Draft 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 |
| 2803 | Digest Values for DOM (DOMHASH)H. Maruyama, K. Tamura, N. Uramoto | Informational | April 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 |
| 2792 | DSA and RSA Key and Signature Encoding for the KeyNote Trust Management SystemM. Blaze, J. Ioannidis, A. Keromytis | Informational | March 2000 |
| 2777 | Publicly Verifiable Nomcom Random SelectionD. Eastlake 3rd · obsoleted by RFC 3797 | Informational | February 2000 |
| 2762 | Sampling of the Group Membership in RTPJ. Rosenberg, H. Schulzrinne | Experimental | February 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 |
| 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 |
| 2636 | Wireless Device Configuration (OTASP/OTAPA) via ACAPR. Gellens | Informational | July 1999 |
| 2630 | Cryptographic Message SyntaxR. Housley · obsoleted by RFC 3369, RFC 3370 | Proposed Standard | June 1999 |
| 2617 | HTTP Authentication: Basic and Digest Access AuthenticationJ. Franks, P. Hallam-Baker, J. Hostetler, S. Lawrence, P. Leach, A. Luotonen, L. Stewart · obsoleted by RFC 7235, RFC 7615, RFC 7616, RFC 7617 | Draft Standard | June 1999 |
| 2604 | Wireless Device Configuration (OTASP/OTAPA) via ACAPR. Gellens · obsoleted by RFC 2636 | Informational | 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 |
| 2537 | RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)D. Eastlake 3rd · obsoleted by RFC 3110 | Proposed Standard | March 1999 |
| 2522 | Photuris: Session-Key Management ProtocolP. Karn, W. Simpson | Experimental | March 1999 |
| 2459 | Internet X.509 Public Key Infrastructure Certificate and CRL ProfileR. Housley, W. Ford, W. Polk, D. Solo · obsoleted by RFC 3280 | Proposed Standard | January 1999 |
| 2444 | The One-Time-Password SASL MechanismC. Newman | Proposed Standard | October 1998 |
| 2437 | PKCS #1: RSA Cryptography Specifications Version 2.0B. Kaliski, J. Staddon · obsoleted by RFC 3447 | Informational | October 1998 |
| 2409 | The Internet Key Exchange (IKE)D. Harkins, D. Carrel · obsoleted by RFC 4306 | Historic | November 1998 |
| 2403 | The Use of HMAC-MD5-96 within ESP and AHC. Madson, R. Glenn | Proposed Standard | November 1998 |
| 2385 | Protection of BGP Sessions via the TCP MD5 Signature OptionA. Heffernan · obsoleted by RFC 5925 | Proposed Standard | August 1998 |
| 2328 | OSPF Version 2J. Moy | Internet Standard | April 1998 |
| 2315 | PKCS #7: Cryptographic Message Syntax Version 1.5B. Kaliski | Informational | March 1998 |
| 2313 | PKCS #1: RSA Encryption Version 1.5B. Kaliski · obsoleted by RFC 2437 | Informational | March 1998 |
| 2311 | S/MIME Version 2 Message SpecificationS. Dusse, P. Hoffman, B. Ramsdell, L. Lundblade, L. Repka | Historic | March 1998 |
| 2289 | A One-Time Password SystemN. Haller, C. Metz, P. Nesser, M. Straw | Internet Standard | February 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 |
| 2178 | OSPF Version 2J. Moy · obsoleted by RFC 2328 | Draft Standard | July 1997 |
| 2165 | Service Location ProtocolJ. Veizades, E. Guttman, C. Perkins, S. Kaplan | Proposed Standard | June 1997 |
| 2150 | Humanities and Arts: Sharing Center Stage on the InternetJ. Max, W. Stickle | Informational | October 1997 |
| 2139 | RADIUS AccountingC. Rigney · obsoleted by RFC 2866 | Informational | April 1997 |
| 2138 | Remote Authentication Dial In User Service (RADIUS)C. Rigney, A. Rubens, W. Simpson, S. Willens · obsoleted by RFC 2865 | Proposed Standard | April 1997 |
| 2110 | MIME E-mail Encapsulation of Aggregate Documents, such as HTML (MHTML)J. Palme, A. Hopmann · obsoleted by RFC 2557 | Proposed Standard | March 1997 |
| 2107 | Ascend Tunnel Management Protocol - ATMPK. Hamzeh | Informational | February 1997 |
| 2104 | HMAC: Keyed-Hashing for Message AuthenticationH. Krawczyk, M. Bellare, R. Canetti | Informational | February 1997 |
| 2095 | IMAP/POP AUTHorize Extension for Simple Challenge/ResponseJ. Klensin, R. Catoe, P. Krumviede · obsoleted by RFC 2195 | Proposed Standard | January 1997 |
| 2085 | HMAC-MD5 IP Authentication with Replay PreventionM. Oehler, R. Glenn | Proposed Standard | February 1997 |
| 2082 | RIP-2 MD5 AuthenticationF. Baker, R. Atkinson · obsoleted by RFC 4822 | Proposed Standard | January 1997 |
| 2069 | An Extension to HTTP : Digest Access AuthenticationJ. Franks, P. Hallam-Baker, J. Hostetler, P. Leach, A. Luotonen, E. Sink, L. Stewart · obsoleted by RFC 2617 | Proposed Standard | January 1997 |
| 2065 | Domain Name System Security ExtensionsD. Eastlake 3rd, C. Kaufman · obsoleted by RFC 2535 | Proposed Standard | January 1997 |
| 2059 | RADIUS AccountingC. Rigney · obsoleted by RFC 2139 | Informational | January 1997 |
| 2058 | Remote Authentication Dial In User Service (RADIUS)C. Rigney, A. Rubens, W. Simpson, S. Willens · obsoleted by RFC 2138 | Proposed Standard | January 1997 |
| 2040 | The RC5, RC5-CBC, RC5-CBC-Pad, and RC5-CTS AlgorithmsR. Baldwin, R. Rivest | Informational | October 1996 |
| 2025 | The Simple Public-Key GSS-API Mechanism (SPKM)C. Adams | Proposed Standard | October 1996 |
| 2002 | IP Mobility SupportC. Perkins, Ed. · obsoleted by RFC 3220 | Proposed Standard | October 1996 |
| 1994 | PPP Challenge Handshake Authentication Protocol (CHAP)W. Simpson | Draft Standard | August 1996 |
| 1983 | Internet Users' GlossaryG. Malkin, Ed. | Informational | August 1996 |
| 1964 | The Kerberos Version 5 GSS-API MechanismJ. Linn | Proposed Standard | June 1996 |
| 1949 | Scalable Multicast Key DistributionA. Ballardie | Experimental | May 1996 |
| 1948 | Defending Against Sequence Number AttacksS. Bellovin · obsoleted by RFC 6528 | Informational | May 1996 |
| 1939 | Post Office Protocol - Version 3J. Myers, M. Rose | Internet Standard | May 1996 |
| 1938 | A One-Time Password SystemN. Haller, C. Metz · obsoleted by RFC 2289 | Proposed Standard | May 1996 |
| 1910 | User-based Security Model for SNMPv2G. Waters, Ed. | Historic | February 1996 |
| 1898 | CyberCash Credit Card Protocol Version 0.8D. Eastlake 3rd, B. Boesch, S. Crocker, M. Yesil | Informational | February 1996 |
| 1889 | RTP: A Transport Protocol for Real-Time ApplicationsAudio-Video Transport Working Group, H. Schulzrinne, S. Casner, R. Frederick, V. Jacobson · obsoleted by RFC 3550 | Proposed Standard | January 1996 |
| 1864 | The Content-MD5 Header FieldJ. Myers, M. Rose | Draft Standard | October 1995 |
| 1828 | IP Authentication using Keyed MD5P. Metzger, W. Simpson | Historic | August 1995 |
| 1826 | IP Authentication HeaderR. Atkinson · obsoleted by RFC 2402 | Proposed Standard | August 1995 |
| 1810 | Report on MD5 PerformanceJ. Touch | Informational | June 1995 |
| 1751 | A Convention for Human-Readable 128-bit KeysD. McDonald | Informational | December 1994 |
| 1750 | Randomness Recommendations for SecurityD. Eastlake 3rd, S. Crocker, J. Schiller · obsoleted by RFC 4086 | Informational | December 1994 |
| 1725 | Post Office Protocol - Version 3J. Myers, M. Rose · obsoleted by RFC 1939 | Internet Standard | November 1994 |
| 1704 | On Internet AuthenticationN. Haller, R. Atkinson | Informational | October 1994 |
| 1544 | The Content-MD5 Header FieldM. Rose · obsoleted by RFC 1864 | Proposed Standard | November 1993 |
| 1510 | The Kerberos Network Authentication Service (V5)J. Kohl, C. Neuman · obsoleted by RFC 4120, RFC 6649 | Historic | September 1993 |
| 1479 | Inter-Domain Policy Routing Protocol Specification: Version 1M. Steenstrup | Historic | July 1993 |
| 1460 | Post Office Protocol - Version 3M. Rose · obsoleted by RFC 1725 | Draft Standard | June 1993 |
| 1446 | Security Protocols for version 2 of the Simple Network Management Protocol (SNMPv2)J. Galvin, K. McCloghrie | Historic | April 1993 |
| 1423 | Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and IdentifiersD. Balenson | Historic | February 1993 |
| 1352 | SNMP Security ProtocolsJ. Galvin, K. McCloghrie, J. Davin | Historic | July 1992 |
| 1320 | The MD4 Message-Digest AlgorithmR. Rivest · obsoleted by RFC 6150 | Historic | April 1992 |