| 2104 | HMAC: Keyed-Hashing for Message AuthenticationH. Krawczyk, M. Bellare, R. Canetti | Informational | February 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 3280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileR. Housley, W. Polk, W. Ford, D. Solo · obsoleted by RFC 5280 | Proposed Standard | May 2002 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 4346 | The Transport Layer Security (TLS) Protocol Version 1.1T. Dierks, E. Rescorla · obsoleted by RFC 5246 | Historic | April 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 |
| 4492 | Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS)S. Blake-Wilson, N. Bolyard, V. Gupta, C. Hawk, B. Moeller · obsoleted by RFC 8422 | Informational | May 2006 |
| 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 |
| 5116 | An Interface and Algorithms for Authenticated EncryptionD. McGrew | Proposed Standard | January 2008 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileD. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk | Proposed Standard | May 2008 |
| 5705 | Keying Material Exporters for Transport Layer Security (TLS)E. Rescorla | Proposed Standard | March 2010 |
| 5756 | Updates for RSAES-OAEP and RSASSA-PSS Algorithm ParametersS. Turner, D. Brown, K. Yiu, R. Housley, T. Polk | Proposed Standard | January 2010 |
| 5764 | Datagram Transport Layer Security (DTLS) Extension to Establish Keys for the Secure Real-time Transport Protocol (SRTP)D. McGrew, E. Rescorla | Proposed Standard | May 2010 |
| 5869 | HMAC-based Extract-and-Expand Key Derivation Function (HKDF)H. Krawczyk, P. Eronen | Informational | May 2010 |
| 5929 | Channel Bindings for TLSJ. Altman, N. Williams, L. Zhu | Proposed Standard | July 2010 |
| 6066 | Transport Layer Security (TLS) Extensions: Extension DefinitionsD. Eastlake 3rd | Proposed Standard | January 2011 |
| 6091 | Using OpenPGP Keys for Transport Layer Security (TLS) AuthenticationN. Mavrogiannopoulos, D. Gillmor | Informational | February 2011 |
| 6101 | The Secure Sockets Layer (SSL) Protocol Version 3.0A. Freier, P. Karlton, P. Kocher | Historic | August 2011 |
| 6176 | Prohibiting Secure Sockets Layer (SSL) Version 2.0S. Turner, T. Polk | Proposed Standard | March 2011 |
| 6347 | Datagram Transport Layer Security Version 1.2E. Rescorla, N. Modadugu · obsoleted by RFC 9147 | Proposed Standard | January 2012 |
| 6520 | Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) Heartbeat ExtensionR. Seggelmann, M. Tuexen, M. Williams | Proposed Standard | February 2012 |
| 6655 | AES-CCM Cipher Suites for Transport Layer Security (TLS)D. McGrew, D. Bailey | Proposed Standard | July 2012 |
| 6960 | X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPS. Santesson, M. Myers, R. Ankney, A. Malpani, S. Galperin, C. Adams | Proposed Standard | June 2013 |
| 6961 | The Transport Layer Security (TLS) Multiple Certificate Status Request ExtensionY. Pettersen · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | June 2013 |
| 6962 | Certificate TransparencyB. Laurie, A. Langley, E. Kasper · obsoleted by RFC 9162 | Experimental | June 2013 |
| 6979 | Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)T. Pornin | Informational | August 2013 |
| 7230 | Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and RoutingR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110, RFC 9112 | Proposed Standard | June 2014 |
| 7250 | Using Raw Public Keys in Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)P. Wouters, Ed., H. Tschofenig, Ed., J. Gilmore, S. Weiler, T. Kivinen | Proposed Standard | June 2014 |
| 7301 | Transport Layer Security (TLS) Application-Layer Protocol Negotiation ExtensionS. Friedl, A. Popov, A. Langley, E. Stephan | Proposed Standard | July 2014 |
| 7465 | Prohibiting RC4 Cipher SuitesA. Popov | Proposed Standard | February 2015 |
| 7507 | TLS Fallback Signaling Cipher Suite Value (SCSV) for Preventing Protocol Downgrade AttacksB. Moeller, A. Langley · obsoleted by RFC 8996 | Proposed Standard | April 2015 |
| 7568 | Deprecating Secure Sockets Layer Version 3.0R. Barnes, M. Thomson, A. Pironti, A. Langley | Proposed Standard | June 2015 |
| 7627 | Transport Layer Security (TLS) Session Hash and Extended Master Secret ExtensionK. Bhargavan, Ed., A. Delignat-Lavaud, A. Pironti, A. Langley, M. Ray · obsoleted by RFC 9846 | Proposed Standard | September 2015 |
| 7685 | A Transport Layer Security (TLS) ClientHello Padding ExtensionA. Langley | Proposed Standard | October 2015 |
| 7748 | Elliptic Curves for SecurityA. Langley, M. Hamburg, S. Turner | Informational | January 2016 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7919 | Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for Transport Layer Security (TLS)D. Gillmor | Proposed Standard | August 2016 |
| 7924 | Transport Layer Security (TLS) Cached Information ExtensionS. Santesson, H. Tschofenig | Proposed Standard | July 2016 |
| 8017 | PKCS #1: RSA Cryptography Specifications Version 2.2K. Moriarty, Ed., B. Kaliski, J. Jonsson, A. Rusch | Informational | November 2016 |
| 8032 | Edwards-Curve Digital Signature Algorithm (EdDSA)S. Josefsson, I. Liusvaara | Informational | January 2017 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8305 | Happy Eyeballs Version 2: Better Connectivity Using ConcurrencyD. Schinazi, T. Pauly | Proposed Standard | December 2017 |
| 8422 | Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS) Versions 1.2 and EarlierY. Nir, S. Josefsson, M. Pegourie-Gonnard · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8439 | ChaCha20 and Poly1305 for IETF ProtocolsY. Nir, A. Langley | Informational | June 2018 |
| 8447 | IANA Registry Updates for TLS and DTLSJ. Salowey, S. Turner | Proposed Standard | August 2018 |
| 8449 | Record Size Limit Extension for TLSM. Thomson | Proposed Standard | August 2018 |