| 9931 | Security Considerations for Optimistic Protocol Transitions in HTTP/1.1B. Schwartz | Proposed Standard | March 2026 |
| 9329 | TCP Encapsulation of Internet Key Exchange Protocol (IKE) and IPsec PacketsT. Pauly, V. Smyslov | Proposed Standard | November 2022 |
| 8229 | TCP Encapsulation of IKE and IPsec PacketsT. Pauly, S. Touati, R. Mantha · obsoleted by RFC 9329 | Proposed Standard | August 2017 |
| 8010 | Internet Printing Protocol/1.1: Encoding and TransportM. Sweet, I. McDonald | Internet Standard | January 2017 |
| 7605 | Recommendations on Using Assigned Transport Port NumbersJ. Touch | Best Current Practice | August 2015 |
| 7472 | Internet Printing Protocol (IPP) over HTTPS Transport Binding and the 'ipps' URI SchemeI. McDonald, M. Sweet | Proposed Standard | March 2015 |
| 7231 | Hypertext Transfer Protocol (HTTP/1.1): Semantics and ContentR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 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 |
| 6455 | The WebSocket ProtocolI. Fette, A. Melnikov | Proposed Standard | December 2011 |
| 6454 | The Web Origin ConceptA. Barth | Proposed Standard | December 2011 |
| 6042 | Transport Layer Security (TLS) Authorization Using KeyNoteA. Keromytis | Informational | October 2010 |
| 5988 | Web LinkingM. Nottingham · obsoleted by RFC 8288 | Proposed Standard | October 2010 |
| 5970 | DHCPv6 Options for Network BootT. Huth, J. Freimann, V. Zimmer, D. Thaler | Proposed Standard | September 2010 |
| 5878 | Transport Layer Security (TLS) Authorization ExtensionsM. Brown, R. Housley | Experimental | May 2010 |
| 5056 | On the Use of Channel Bindings to Secure ChannelsN. Williams | Proposed Standard | November 2007 |
| 4825 | The Extensible Markup Language (XML) Configuration Access Protocol (XCAP)J. Rosenberg | Proposed Standard | May 2007 |
| 4217 | Securing FTP with TLSP. Ford-Hutchinson | Proposed Standard | October 2005 |
| 3983 | Using the Internet Registry Information Service (IRIS) over the Blocks Extensible Exchange Protocol (BEEP)A. Newton, M. Sanz | Proposed Standard | January 2005 |
| 3914 | Open Pluggable Edge Services (OPES) Treatment of IAB ConsiderationsA. Barbir, A. Rousskov | Informational | October 2004 |
| 3792 | Survey of IPv4 Addresses in Currently Deployed IETF Security Area Standards Track and Experimental DocumentsP. Nesser, II, A. Bergstrom, Ed. | Informational | June 2004 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 3507 | Internet Content Adaptation Protocol (ICAP)J. Elson, A. Cerpa | Informational | April 2003 |
| 3436 | Transport Layer Security over Stream Control Transmission ProtocolA. Jungmaier, E. Rescorla, M. Tuexen | Proposed Standard | December 2002 |
| 3229 | Delta encoding in HTTPJ. Mogul, B. Krishnamurthy, F. Douglis, A. Feldmann, Y. Goland, A. van Hoff, D. Hellerstein | Proposed Standard | January 2002 |
| 2910 | Internet Printing Protocol/1.1: Encoding and TransportR. Herriot, Ed., S. Butler, P. Moore, R. Turner, J. Wenn · obsoleted by RFC 8010 | Proposed Standard | September 2000 |
| 2818 | HTTP Over TLSE. Rescorla · obsoleted by RFC 9110 | Informational | May 2000 |