| 2046 | Multipurpose Internet Mail Extensions (MIME) Part Two: Media TypesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2131 | Dynamic Host Configuration ProtocolR. Droms | Draft Standard | March 1997 |
| 2782 | A DNS RR for specifying the location of services (DNS SRV)A. Gulbrandsen, P. Vixie, L. Esibov | Proposed Standard | February 2000 |
| 2818 | HTTP Over TLSE. Rescorla · obsoleted by RFC 9110 | Informational | May 2000 |
| 3339 | Date and Time on the Internet: TimestampsG. Klyne, C. Newman | Proposed Standard | July 2002 |
| 3553 | An IETF URN Sub-namespace for Registered Protocol ParametersM. Mealling, L. Masinter, T. Hardie, G. Klyne | Best Current Practice | June 2003 |
| 3629 | UTF-8, a transformation format of ISO 10646F. Yergeau | Internet Standard | November 2003 |
| 4985 | Internet X.509 Public Key Infrastructure Subject Alternative Name for Expression of Service NameS. Santesson | Proposed Standard | August 2007 |
| 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 |
| 5545 | Internet Calendaring and Scheduling Core Object Specification (iCalendar)B. Desruisseaux, Ed. | Proposed Standard | September 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5785 | Defining Well-Known Uniform Resource Identifiers (URIs)M. Nottingham, E. Hammer-Lahav · obsoleted by RFC 8615 | Proposed Standard | April 2010 |
| 6125 | Representation and Verification of Domain-Based Application Service Identity within Internet Public Key Infrastructure Using X.509 (PKIX) Certificates in the Context of Transport Layer Security (TLS)P. Saint-Andre, J. Hodges · obsoleted by RFC 9525 | Proposed Standard | March 2011 |
| 6265 | HTTP State Management MechanismA. Barth | Proposed Standard | April 2011 |
| 6321 | xCal: The XML Format for iCalendarC. Daboo, M. Douglass, S. Lees | Proposed Standard | August 2011 |
| 6335 | Internet Assigned Numbers Authority (IANA) Procedures for the Management of the Service Name and Transport Protocol Port Number RegistryM. Cotton, L. Eggert, J. Touch, M. Westerlund, S. Cheshire | Best Current Practice | August 2011 |
| 6557 | Procedures for Maintaining the Time Zone DatabaseE. Lear, P. Eggert | Best Current Practice | February 2012 |
| 6570 | URI TemplateJ. Gregorio, R. Fielding, M. Hadley, M. Nottingham, D. Orchard | Proposed Standard | March 2012 |
| 6698 | The DNS-Based Authentication of Named Entities (DANE) Transport Layer Security (TLS) Protocol: TLSAP. Hoffman, J. Schlyter | Proposed Standard | August 2012 |
| 6763 | DNS-Based Service DiscoveryS. Cheshire, M. Krochmal | Proposed Standard | February 2013 |
| 7159 | The JavaScript Object Notation (JSON) Data Interchange FormatT. Bray, Ed. · obsoleted by RFC 8259 | Proposed Standard | March 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 |
| 7231 | Hypertext Transfer Protocol (HTTP/1.1): Semantics and ContentR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | 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 |
| 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 |
| 7265 | jCal: The JSON Format for iCalendarP. Kewisch, C. Daboo, M. Douglass | Proposed Standard | May 2014 |
| 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 |
| 7807 | Problem Details for HTTP APIsM. Nottingham, E. Wilde · obsoleted by RFC 9457 | Proposed Standard | March 2016 |