| 9112 | HTTP/1.1R. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. | Internet Standard | June 2022 |
| 9110 | HTTP SemanticsR. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. | Internet Standard | June 2022 |
| 8170 | Planning for Protocol Adoption and Subsequent TransitionsD. Thaler, Ed. | Informational | May 2017 |
| 7826 | Real-Time Streaming Protocol Version 2.0H. Schulzrinne, A. Rao, R. Lanphier, M. Westerlund, M. Stiemerling, Ed. | Proposed Standard | December 2016 |
| 7237 | Initial Hypertext Transfer Protocol (HTTP) Method RegistrationsJ. Reschke | Informational | June 2014 |
| 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 |
| 6648 | Deprecating the "X-" Prefix and Similar Constructs in Application ProtocolsP. Saint-Andre, D. Crocker, M. Nottingham | Best Current Practice | June 2012 |
| 5988 | Web LinkingM. Nottingham · obsoleted by RFC 8288 | Proposed Standard | October 2010 |
| 5789 | PATCH Method for HTTPL. Dusseault, J. Snell | Proposed Standard | March 2010 |
| 5775 | Asynchronous Layered Coding (ALC) Protocol InstantiationM. Luby, M. Watson, L. Vicisano | Proposed Standard | April 2010 |
| 5126 | CMS Advanced Electronic Signatures (CAdES)D. Pinkas, N. Pope, J. Ross | Informational | March 2008 |
| 4483 | A Mechanism for Content Indirection in Session Initiation Protocol (SIP) MessagesE. Burger, Ed. | Proposed Standard | May 2006 |
| 4229 | HTTP Header Field RegistrationsM. Nottingham, J. Mogul | Informational | December 2005 |
| 3451 | Layered Coding Transport (LCT) Building BlockM. Luby, J. Gemmell, L. Vicisano, L. Rizzo, M. Handley, J. Crowcroft · obsoleted by RFC 5651 | Experimental | December 2002 |
| 3450 | Asynchronous Layered Coding (ALC) Protocol InstantiationM. Luby, J. Gemmell, L. Vicisano, L. Rizzo, J. Crowcroft · obsoleted by RFC 5775 | Experimental | December 2002 |
| 3390 | Increasing TCP's Initial WindowM. Allman, S. Floyd, C. Partridge | Proposed Standard | November 2002 |
| 3229 | Delta encoding in HTTPJ. Mogul, B. Krishnamurthy, F. Douglis, A. Feldmann, Y. Goland, A. van Hoff, D. Hellerstein | Proposed Standard | January 2002 |
| 2896 | Remote Network Monitoring MIB Protocol Identifier MacrosA. Bierman, C. Bucci, R. Iddon | Informational | August 2000 |
| 2798 | Definition of the inetOrgPerson LDAP Object ClassM. Smith | Informational | April 2000 |
| 2774 | An HTTP Extension FrameworkH. Nielsen, P. Leach, S. Lawrence | Historic | February 2000 |
| 2703 | Protocol-independent Content Negotiation FrameworkG. Klyne | Informational | September 1999 |
| 2699 | Request for Comments Summary RFC Numbers 2600-2699S. Ginoza | Informational | May 2000 |
| 2639 | Internet Printing Protocol/1.0: Implementer's GuideT. Hastings, C. Manros · obsoleted by RFC 3196 | Informational | July 1999 |
| 2626 | The Internet and the Millennium Problem (Year 2000)P. Nesser II | Informational | June 1999 |
| 2616 | Hypertext Transfer Protocol -- HTTP/1.1R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P. Leach, T. Berners-Lee · obsoleted by RFC 7230, RFC 7231, RFC 7232, RFC 7233, RFC 7234, RFC 7235 | Draft Standard | June 1999 |
| 2594 | Definitions of Managed Objects for WWW ServicesH. Hazewinkel, C. Kalbfleisch, J. Schoenwaelder | Proposed Standard | May 1999 |
| 2585 | Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTPR. Housley, P. Hoffman | Proposed Standard | May 1999 |
| 2566 | Internet Printing Protocol/1.0: Model and SemanticsR. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell · obsoleted by RFC 2911 | Experimental | April 1999 |
| 2565 | Internet Printing Protocol/1.0: Encoding and TransportR. Herriot, Ed., S. Butler, P. Moore, R. Turner · obsoleted by RFC 2910 | Experimental | April 1999 |
| 2552 | Architecture for the Information Brokerage in the ACTS Project GAIAM. Blinov, M. Bessonov, C. Clissmann | Informational | April 1999 |
| 2543 | SIP: Session Initiation ProtocolM. Handley, H. Schulzrinne, E. Schooler, J. Rosenberg · obsoleted by RFC 3261, RFC 3262, RFC 3263, RFC 3264, RFC 3265 | Proposed Standard | March 1999 |
| 2533 | A Syntax for Describing Media Feature SetsG. Klyne | Proposed Standard | March 1999 |
| 2518 | HTTP Extensions for Distributed Authoring -- WEBDAVY. Goland, E. Whitehead, A. Faizi, S. Carter, D. Jensen · obsoleted by RFC 4918 | Proposed Standard | February 1999 |
| 2506 | Media Feature Tag Registration ProcedureK. Holtman, A. Mutz, T. Hardie | Best Current Practice | March 1999 |
| 2414 | Increasing TCP's Initial WindowM. Allman, S. Floyd, C. Partridge · obsoleted by RFC 3390 | Experimental | September 1998 |
| 2376 | XML Media TypesE. Whitehead, M. Murata · obsoleted by RFC 3023 | Informational | July 1998 |
| 2326 | Real Time Streaming Protocol (RTSP)H. Schulzrinne, A. Rao, R. Lanphier · obsoleted by RFC 7826 | Proposed Standard | April 1998 |
| 2324 | Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0)L. Masinter | Informational | 1 April 1998 |
| 2310 | The Safe Response Header FieldK. Holtman | Historic | April 1998 |
| 2291 | Requirements for a Distributed Authoring and Versioning Protocol for the World Wide WebJ. Slein, F. Vitali, E. Whitehead, D. Durand | Informational | February 1998 |
| 2229 | A Dictionary Server ProtocolR. Faith, B. Martin | Informational | October 1997 |
| 2227 | Simple Hit-Metering and Usage-Limiting for HTTPJ. Mogul, P. Leach | Proposed Standard | October 1997 |
| 2194 | Review of Roaming ImplementationsB. Aboba, J. Lu, J. Alsop, J. Ding, W. Wang | Informational | September 1997 |
| 2192 | IMAP URL SchemeC. Newman · obsoleted by RFC 5092 | Proposed Standard | September 1997 |
| 2187 | Application of Internet Cache Protocol (ICP), version 2D. Wessels, K. Claffy | Informational | September 1997 |
| 2186 | Internet Cache Protocol (ICP), version 2D. Wessels, K. Claffy | Informational | September 1997 |
| 2169 | A Trivial Convention for using HTTP in URN ResolutionR. Daniel | Historic | June 1997 |
| 2150 | Humanities and Arts: Sharing Center Stage on the InternetJ. Max, W. Stickle | Informational | October 1997 |
| 2145 | Use and Interpretation of HTTP Version NumbersJ. C. Mogul, R. Fielding, J. Gettys, H. Frystyk · obsoleted by RFC 7230 | Informational | May 1997 |
| 2142 | Mailbox Names for Common Services, Roles and FunctionsD. Crocker | Proposed Standard | May 1997 |
| 2122 | VEMMI URL SpecificationD. Mavrakis, H. Layec, K. Kartmann | Proposed Standard | March 1997 |
| 2109 | HTTP State Management MechanismD. Kristol, L. Montulli · obsoleted by RFC 2965 | Historic | February 1997 |
| 2070 | Internationalization of the Hypertext Markup LanguageF. Yergeau, G. Nicol, G. Adams, M. Duerst · obsoleted by RFC 2854 | Historic | January 1997 |
| 2069 | An Extension to HTTP : Digest Access AuthenticationJ. Franks, P. Hallam-Baker, J. Hostetler, P. Leach, A. Luotonen, E. Sink, L. Stewart · obsoleted by RFC 2617 | Proposed Standard | January 1997 |