| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 4162 | Addition of SEED Cipher Suites to Transport Layer Security (TLS)H.J. Lee, J.H. Yoon, J.I. Lee | Proposed Standard | September 2005 |
| 4279 | Pre-Shared Key Ciphersuites for Transport Layer Security (TLS)P. Eronen, Ed., H. Tschofenig, Ed. | Proposed Standard | December 2005 |
| 4346 | The Transport Layer Security (TLS) Protocol Version 1.1T. Dierks, E. Rescorla · obsoleted by RFC 5246 | Historic | 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 |
| 4785 | Pre-Shared Key (PSK) Ciphersuites with NULL Encryption for Transport Layer Security (TLS)U. Blumenthal, P. Goel | Proposed Standard | January 2007 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5288 | AES Galois Counter Mode (GCM) Cipher Suites for TLSJ. Salowey, A. Choudhury, D. McGrew | 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 |
| 5469 | DES and IDEA Cipher Suites for Transport Layer Security (TLS)P. Eronen, Ed. · obsoleted by RFC 8996 | Historic | February 2009 |
| 5487 | Pre-Shared Key Cipher Suites for TLS with SHA-256/384 and AES Galois Counter ModeM. Badra | Proposed Standard | March 2009 |
| 5932 | Camellia Cipher Suites for TLSA. Kato, M. Kanda, S. Kanno | Proposed Standard | June 2010 |
| 6209 | Addition of the ARIA Cipher Suites to Transport Layer Security (TLS)W. Kim, J. Lee, J. Park, D. Kwon | Informational | April 2011 |
| 6347 | Datagram Transport Layer Security Version 1.2E. Rescorla, N. Modadugu · obsoleted by RFC 9147 | Proposed Standard | January 2012 |
| 6367 | Addition of the Camellia Cipher Suites to Transport Layer Security (TLS)S. Kanno, M. Kanda | Informational | September 2011 |
| 6655 | AES-CCM Cipher Suites for Transport Layer Security (TLS)D. McGrew, D. Bailey | Proposed Standard | July 2012 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7905 | ChaCha20-Poly1305 Cipher Suites for Transport Layer Security (TLS)A. Langley, W. Chang, N. Mavrogiannopoulos, J. Strombergson, S. Josefsson | Proposed Standard | June 2016 |
| 7919 | Negotiated Finite Field Diffie-Hellman Ephemeral Parameters for Transport Layer Security (TLS)D. Gillmor | Proposed Standard | August 2016 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 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 |
| 8996 | Deprecating TLS 1.0 and TLS 1.1K. Moriarty, S. Farrell | Best Current Practice | March 2021 |
| 9147 | The Datagram Transport Layer Security (DTLS) Protocol Version 1.3E. Rescorla, H. Tschofenig, N. Modadugu | Proposed Standard | April 2022 |
| 9325 | Recommendations for Secure Use of Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)Y. Sheffer, P. Saint-Andre, T. Fossati | Best Current Practice | November 2022 |
| 9846 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla | Proposed Standard | July 2026 |
| 9847 | IANA Registry Updates for TLS and DTLSJ. Salowey, S. Turner | Proposed Standard | December 2025 |