| 850 | Standard for interchange of USENET messagesM.R. Horton · obsoleted by RFC 1036 | Unknown | June 1983 |
| 1945 | Hypertext Transfer Protocol -- HTTP/1.0T. Berners-Lee, R. Fielding, H. Frystyk | Informational | May 1996 |
| 2045 | Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message BodiesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2046 | Multipurpose Internet Mail Extensions (MIME) Part Two: Media TypesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2049 | Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and ExamplesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2068 | Hypertext Transfer Protocol -- HTTP/1.1R. Fielding, J. Gettys, J. Mogul, H. Frystyk, T. Berners-Lee · obsoleted by RFC 2616 | Proposed Standard | January 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2295 | Transparent Content Negotiation in HTTPK. Holtman, A. Mutz | Experimental | March 1998 |
| 2388 | Returning Values from Forms: multipart/form-dataL. Masinter · obsoleted by RFC 7578 | Proposed Standard | August 1998 |
| 2557 | MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)J. Palme, A. Hopmann, N. Shelness | Proposed Standard | March 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 |
| 2774 | An HTTP Extension FrameworkH. Nielsen, P. Leach, S. Lawrence | Historic | February 2000 |
| 2817 | Upgrading to TLS Within HTTP/1.1R. Khare, S. Lawrence | Proposed Standard | May 2000 |
| 2978 | IANA Charset Registration ProceduresN. Freed, J. Postel | Best Current Practice | October 2000 |
| 3864 | Registration Procedures for Message Header FieldsG. Klyne, M. Nottingham, J. Mogul | Best Current Practice | September 2004 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 4647 | Matching of Language TagsA. Phillips, Ed., M. Davis, Ed. | Best Current Practice | September 2006 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5234 | Augmented BNF for Syntax Specifications: ABNFD. Crocker, Ed., P. Overell | Internet Standard | January 2008 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5322 | Internet Message FormatP. Resnick, Ed. | Draft Standard | October 2008 |
| 5646 | Tags for Identifying LanguagesA. Phillips, Ed., M. Davis, Ed. | Best Current Practice | September 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5789 | PATCH Method for HTTPL. Dusseault, J. Snell | Proposed Standard | March 2010 |
| 5905 | Network Time Protocol Version 4: Protocol and Algorithms SpecificationD. Mills, J. Martin, Ed., J. Burbank, W. Kasch | Proposed Standard | June 2010 |
| 5987 | Character Set and Language Encoding for Hypertext Transfer Protocol (HTTP) Header Field ParametersJ. Reschke · obsoleted by RFC 8187 | Historic | August 2010 |
| 5988 | Web LinkingM. Nottingham · obsoleted by RFC 8288 | Proposed Standard | October 2010 |
| 6265 | HTTP State Management MechanismA. Barth | Proposed Standard | April 2011 |
| 6266 | Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)J. Reschke | Proposed Standard | June 2011 |
| 6365 | Terminology Used in Internationalization in the IETFP. Hoffman, J. Klensin | Best Current Practice | September 2011 |
| 6648 | Deprecating the "X-" Prefix and Similar Constructs in Application ProtocolsP. Saint-Andre, D. Crocker, M. Nottingham | Best Current Practice | June 2012 |
| 6838 | Media Type Specifications and Registration ProceduresN. Freed, J. Klensin, T. Hansen | Best Current Practice | January 2013 |
| 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 |
| 7232 | Hypertext Transfer Protocol (HTTP/1.1): Conditional RequestsR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7233 | Hypertext Transfer Protocol (HTTP/1.1): Range RequestsR. Fielding, Ed., Y. Lafon, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7234 | Hypertext Transfer Protocol (HTTP/1.1): CachingR. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. · obsoleted by RFC 9111 | Proposed Standard | June 2014 |
| 7235 | Hypertext Transfer Protocol (HTTP/1.1): AuthenticationR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7238 | The Hypertext Transfer Protocol Status Code 308 (Permanent Redirect)J. Reschke · obsoleted by RFC 7538 | Experimental | June 2014 |