| 9787 | Guidance on End-to-End Email SecurityD. K. Gillmor, Ed., A. Melnikov, Ed., B. Hoeneisen, Ed. | Informational | August 2025 |
| 9672 | Transferring Opportunistic Wireless Encryption to the IEEE 802.11 Working GroupW. Kumari, D. Harkins | Informational | December 2024 |
| 9539 | Unilateral Opportunistic Deployment of Encrypted Recursive-to-Authoritative DNSD. K. Gillmor, Ed., J. Salazar, Ed., P. Hoffman, Ed. | Experimental | February 2024 |
| 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 |
| 9289 | Towards Remote Procedure Call Encryption by DefaultT. Myklebust, C. Lever, Ed. | Proposed Standard | September 2022 |
| 9174 | Delay-Tolerant Networking TCP Convergence-Layer Protocol Version 4B. Sipos, M. Demmer, J. Ott, S. Perreault | Proposed Standard | January 2022 |
| 9063 | Host Identity Protocol ArchitectureR. Moskowitz, Ed., M. Komu | Informational | July 2021 |
| 8995 | Bootstrapping Remote Secure Key Infrastructure (BRSKI)M. Pritikin, M. Richardson, T. Eckert, M. Behringer, K. Watsen | Proposed Standard | May 2021 |
| 8994 | An Autonomic Control Plane (ACP)T. Eckert, Ed., M. Behringer, Ed., S. Bjarnason | Proposed Standard | May 2021 |
| 8862 | Best Practices for Securing RTP Media Signaled with SIPJ. Peterson, R. Barnes, R. Housley | Best Current Practice | January 2021 |
| 8643 | An Opportunistic Approach for Secure Real-time Transport Protocol (OSRTP)A. Johnston, B. Aboba, A. Hutton, R. Jesske, T. Stach | Informational | August 2019 |
| 8598 | Split DNS Configuration for the Internet Key Exchange Protocol Version 2 (IKEv2)T. Pauly, P. Wouters | Proposed Standard | May 2019 |
| 8547 | TCP-ENO: Encryption Negotiation OptionA. Bittau, D. Giffin, M. Handley, D. Mazieres, E. Smith | Experimental | May 2019 |
| 8460 | SMTP TLS ReportingD. Margolis, A. Brotman, B. Ramakrishnan, J. Jones, M. Risher | Proposed Standard | September 2018 |
| 8404 | Effects of Pervasive Encryption on OperatorsK. Moriarty, Ed., A. Morton, Ed. | Informational | July 2018 |
| 8366 | A Voucher Artifact for Bootstrapping ProtocolsK. Watsen, M. Richardson, M. Pritikin, T. Eckert | Proposed Standard | May 2018 |
| 8310 | Usage Profiles for DNS over TLS and DNS over DTLSS. Dickinson, D. Gillmor, T. Reddy | Proposed Standard | March 2018 |
| 8164 | Opportunistic Security for HTTP/2M. Nottingham, M. Thomson | Historic | May 2017 |
| 8155 | Traversal Using Relays around NAT (TURN) Server Auto DiscoveryP. Patil, T. Reddy, D. Wing | Proposed Standard | April 2017 |
| 8143 | Using Transport Layer Security (TLS) with Network News Transfer Protocol (NNTP)J. Elie | Proposed Standard | April 2017 |
| 8110 | Opportunistic Wireless EncryptionD. Harkins, Ed., W. Kumari, Ed. | Informational | March 2017 |
| 8010 | Internet Printing Protocol/1.1: Encoding and TransportM. Sweet, I. McDonald | Internet Standard | January 2017 |
| 7858 | Specification for DNS over Transport Layer Security (TLS)Z. Hu, L. Zhu, J. Heidemann, A. Mankin, D. Wessels, P. Hoffman | Proposed Standard | May 2016 |
| 7787 | Distributed Node Consensus ProtocolM. Stenberg, S. Barth | Proposed Standard | April 2016 |
| 7696 | Guidelines for Cryptographic Algorithm Agility and Selecting Mandatory-to-Implement AlgorithmsR. Housley | Best Current Practice | November 2015 |
| 7687 | Report from the Strengthening the Internet (STRINT) WorkshopS. Farrell, R. Wenning, B. Bos, M. Blanchet, H. Tschofenig | Informational | December 2015 |
| 7672 | SMTP Security via Opportunistic DNS-Based Authentication of Named Entities (DANE) Transport Layer Security (TLS)V. Dukhovni, W. Hardaker | Proposed Standard | October 2015 |
| 7671 | The DNS-Based Authentication of Named Entities (DANE) Protocol: Updates and Operational GuidanceV. Dukhovni, W. Hardaker | Proposed Standard | October 2015 |
| 7619 | The NULL Authentication Method in the Internet Key Exchange Protocol Version 2 (IKEv2)V. Smyslov, P. Wouters | Proposed Standard | August 2015 |
| 7525 | Recommendations for Secure Use of Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)Y. Sheffer, R. Holz, P. Saint-Andre · obsoleted by RFC 9325 | Best Current Practice | May 2015 |