| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2986 | PKCS #10: Certification Request Syntax Specification Version 1.7M. Nystrom, B. Kaliski | Informational | November 2000 |
| 3688 | The IETF XML RegistryM. Mealling | Best Current Practice | January 2004 |
| 4211 | Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)J. Schaad | Proposed Standard | September 2005 |
| 4252 | The Secure Shell (SSH) Authentication ProtocolT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4253 | The Secure Shell (SSH) Transport Layer ProtocolT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 5056 | On the Use of Channel Bindings to Secure ChannelsN. Williams | Proposed Standard | November 2007 |
| 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 |
| 5652 | Cryptographic Message Syntax (CMS)R. Housley | Internet Standard | September 2009 |
| 5915 | Elliptic Curve Private Key StructureS. Turner, D. Brown | Informational | June 2010 |
| 5958 | Asymmetric Key PackagesS. Turner | Proposed Standard | August 2010 |
| 6020 | YANG - A Data Modeling Language for the Network Configuration Protocol (NETCONF)M. Bjorklund, Ed. | Proposed Standard | October 2010 |
| 6031 | Cryptographic Message Syntax (CMS) Symmetric Key Package Content TypeS. Turner, R. Housley | Proposed Standard | December 2010 |
| 6241 | Network Configuration Protocol (NETCONF)R. Enns, Ed., M. Bjorklund, Ed., J. Schoenwaelder, Ed., A. Bierman, Ed. | Proposed Standard | June 2011 |
| 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 |
| 6991 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 9911 | Proposed Standard | July 2013 |
| 7093 | Additional Methods for Generating Key Identifiers ValuesS. Turner, S. Kent, J. Manger | Informational | December 2013 |
| 7317 | A YANG Data Model for System ManagementA. Bierman, M. Bjorklund | Proposed Standard | August 2014 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7950 | The YANG 1.1 Data Modeling LanguageM. Bjorklund, Ed. | Proposed Standard | August 2016 |
| 8017 | PKCS #1: RSA Cryptography Specifications Version 2.2K. Moriarty, Ed., B. Kaliski, J. Jonsson, A. Rusch | Informational | November 2016 |
| 8040 | RESTCONF ProtocolA. Bierman, M. Bjorklund, K. Watsen | Proposed Standard | January 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8259 | The JavaScript Object Notation (JSON) Data Interchange FormatT. Bray, Ed. | Internet Standard | December 2017 |
| 8340 | YANG Tree DiagramsM. Bjorklund, L. Berger, Ed. | Best Current Practice | March 2018 |
| 8341 | Network Configuration Access Control ModelA. Bierman, M. Bjorklund | Internet Standard | March 2018 |
| 8342 | Network Management Datastore Architecture (NMDA)M. Bjorklund, J. Schoenwaelder, P. Shafer, K. Watsen, R. Wilton | Proposed Standard | March 2018 |
| 8407 | Guidelines for Authors and Reviewers of Documents Containing YANG Data ModelsA. Bierman · obsoleted by RFC 9907 | Best Current Practice | October 2018 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8792 | Handling Long Lines in Content of Internet-Drafts and RFCsK. Watsen, E. Auerswald, A. Farrel, Q. Wu | Informational | June 2020 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 2021 |
| 9641 | A YANG Data Model for a TruststoreK. Watsen | Proposed Standard | October 2024 |
| 9642 | A YANG Data Model for a KeystoreK. Watsen | Proposed Standard | October 2024 |
| 9643 | YANG Groupings for TCP Clients and TCP ServersK. Watsen, M. Scharf | Proposed Standard | October 2024 |
| 9644 | YANG Groupings for SSH Clients and SSH ServersK. Watsen | Proposed Standard | October 2024 |
| 9645 | YANG Groupings for TLS Clients and TLS ServersK. Watsen | Proposed Standard | October 2024 |