| 9562 | Universally Unique IDentifiers (UUIDs)K. Davis, B. Peabody, P. Leach | Proposed Standard | May 2024 |
| 8141 | Uniform Resource Names (URNs)P. Saint-Andre, J. Klensin | Proposed Standard | April 2017 |
| 8089 | The "file" URI SchemeM. Kerwin | Proposed Standard | February 2017 |
| 8011 | Internet Printing Protocol/1.1: Model and SemanticsM. Sweet, I. McDonald | Internet Standard | January 2017 |
| 6350 | vCard Format SpecificationS. Perreault | Proposed Standard | August 2011 |
| 6270 | The 'tn3270' URI SchemeM. Yevstifeyev | Proposed Standard | June 2011 |
| 6196 | Moving mailserver: URI Scheme to HistoricA. Melnikov | Proposed Standard | March 2011 |
| 5755 | An Internet Attribute Certificate Profile for AuthorizationS. Farrell, R. Housley, S. Turner | Proposed Standard | January 2010 |
| 5545 | Internet Calendaring and Scheduling Core Object Specification (iCalendar)B. Desruisseaux, Ed. | Proposed Standard | September 2009 |
| 5538 | The 'news' and 'nntp' URI SchemesF. Ellermann | Proposed Standard | April 2010 |
| 4823 | FTP Transport for Secure Peer-to-Peer Business Data Interchange over the InternetT. Harding, R. Scott | Informational | April 2007 |
| 4516 | Lightweight Directory Access Protocol (LDAP): Uniform Resource LocatorM. Smith, Ed., T. Howes | Proposed Standard | June 2006 |
| 4450 | Getting Rid of the Cruft: Report from an Experiment in Identifying and Reclassifying Obsolete Standards DocumentsE. Lear, H. Alvestrand | Informational | March 2006 |
| 4324 | Calendar Access Protocol (CAP)D. Royer, G. Babics, S. Mansour | Experimental | December 2005 |
| 4266 | The gopher URI SchemeP. Hoffman | Proposed Standard | November 2005 |
| 4248 | The telnet URI SchemeP. Hoffman | Proposed Standard | October 2005 |
| 4211 | Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)J. Schaad | Proposed Standard | September 2005 |
| 4157 | The prospero URI SchemeP. Hoffman | Historic | August 2005 |
| 4156 | The wais URI SchemeP. Hoffman | Historic | August 2005 |
| 4088 | Uniform Resource Identifier (URI) Scheme for the Simple Network Management Protocol (SNMP)D. Black, K. McCloghrie, J. Schoenwaelder | Proposed Standard | June 2005 |
| 4006 | Diameter Credit-Control ApplicationH. Hakala, L. Mattila, J-P. Koskinen, M. Stura, J. Loughney · obsoleted by RFC 8506 | Proposed Standard | August 2005 |
| 4002 | IANA Registration for Enumservice 'web' and 'ft'R. Brandner, L. Conroy, R. Stastny | Proposed Standard | February 2005 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 3867 | Payment Application Programmers Interface (API) for v1.0 Internet Open Trading Protocol (IOTP)Y. Kawatsura, M. Hiroya, H. Beykirch | Informational | November 2004 |
| 3795 | Survey of IPv4 Addresses in Currently Deployed IETF Application Area Standards Track and Experimental DocumentsR. Sofia, P. Nesser, II | Informational | June 2004 |
| 3729 | Application Performance Measurement MIBS. Waldbusser | Proposed Standard | March 2004 |
| 3696 | Application Techniques for Checking and Transformation of NamesJ. Klensin | Informational | February 2004 |
| 3660 | Basic Media Gateway Control Protocol (MGCP) PackagesB. Foster, F. Andreasen | Informational | December 2003 |
| 3651 | Handle System Namespace and Service DefinitionS. Sun, S. Reilly, L. Lannom | Informational | November 2003 |
| 3650 | Handle System OverviewS. Sun, L. Lannom, B. Boesch | Informational | November 2003 |
| 3568 | Known Content Network (CN) Request-Routing MechanismsA. Barbir, B. Cain, R. Nair, O. Spatscheck | Informational | July 2003 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 3281 | An Internet Attribute Certificate Profile for AuthorizationS. Farrell, R. Housley · obsoleted by RFC 5755 | Proposed Standard | May 2002 |
| 3280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileR. Housley, W. Polk, W. Ford, D. Solo · obsoleted by RFC 5280 | Proposed Standard | May 2002 |
| 3275 | (Extensible Markup Language) XML-Signature Syntax and ProcessingD. Eastlake 3rd, J. Reagle, D. Solo | Draft Standard | March 2002 |
| 3163 | ISO/IEC 9798-3 Authentication SASL MechanismR. Zuccherato, M. Nystrom | Experimental | August 2001 |
| 3075 | XML-Signature Syntax and ProcessingD. Eastlake 3rd, J. Reagle, D. Solo · obsoleted by RFC 3275 | Proposed Standard | March 2001 |
| 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 |
| 2849 | The LDAP Data Interchange Format (LDIF) - Technical SpecificationG. Good | Proposed Standard | June 2000 |
| 2828 | Internet Security GlossaryR. Shirey · obsoleted by RFC 4949 | Informational | May 2000 |
| 2806 | URLs for Telephone CallsA. Vaha-Sipila · obsoleted by RFC 3966 | Proposed Standard | April 2000 |
| 2801 | Internet Open Trading Protocol - IOTP Version 1.0D. Burdett | Informational | April 2000 |
| 2788 | Network Services Monitoring MIBN. Freed, S. Kille | Proposed Standard | March 2000 |
| 2707 | Job Monitoring MIB - V1.0R. Bergman, T. Hastings, S. Isaacson, H. Lewis | Informational | November 1999 |
| 2660 | The Secure HyperText Transfer ProtocolE. Rescorla, A. Schiffman | Historic | August 1999 |
| 2656 | Registration Procedures for SOIF Template TypesT. Hardie | Experimental | August 1999 |
| 2655 | CIP Index Object Format for SOIF ObjectsT. Hardie, M. Bowman, D. Hardy, M. Schwartz, D. Wessels | Experimental | August 1999 |
| 2652 | MIME Object Definitions for the Common Indexing Protocol (CIP)J. Allen, M. Mealling | Proposed Standard | August 1999 |
| 2640 | Internationalization of the File Transfer ProtocolB. Curtin | Proposed Standard | July 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 |
| 2585 | Internet X.509 Public Key Infrastructure Operational Protocols: FTP and HTTPR. Housley, P. Hoffman | Proposed Standard | May 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 |
| 2560 | X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPM. Myers, R. Ankney, A. Malpani, S. Galperin, C. Adams · obsoleted by RFC 6960 | Proposed Standard | June 1999 |
| 2557 | MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)J. Palme, A. Hopmann, N. Shelness | Proposed Standard | March 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 |
| 2511 | Internet X.509 Certificate Request Message FormatM. Myers, C. Adams, D. Solo, D. Kemp · obsoleted by RFC 4211 | Proposed Standard | March 1999 |
| 2485 | DHCP Option for The Open Group's User Authentication ProtocolS. Drach | Proposed Standard | January 1999 |
| 2483 | URI Resolution Services Necessary for URN ResolutionM. Mealling, R. Daniel | Experimental | January 1999 |
| 2459 | Internet X.509 Public Key Infrastructure Certificate and CRL ProfileR. Housley, W. Ford, W. Polk, D. Solo · obsoleted by RFC 3280 | Proposed Standard | January 1999 |
| 2445 | Internet Calendaring and Scheduling Core Object Specification (iCalendar)F. Dawson, D. Stenerson · obsoleted by RFC 5545 | Proposed Standard | November 1998 |
| 2426 | vCard MIME Directory ProfileF. Dawson, T. Howes · obsoleted by RFC 6350 | Proposed Standard | September 1998 |
| 2425 | A MIME Content-Type for Directory InformationT. Howes, M. Smith, F. Dawson · obsoleted by RFC 6350 | Proposed Standard | September 1998 |
| 2396 | Uniform Resource Identifiers (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter · obsoleted by RFC 3986 | Draft Standard | August 1998 |
| 2392 | Content-ID and Message-ID Uniform Resource LocatorsE. Levinson | Proposed Standard | August 1998 |
| 2384 | POP URL SchemeR. Gellens | Proposed Standard | August 1998 |
| 2371 | Transaction Internet Protocol Version 3.0J. Lyon, K. Evans, J. Klein | Proposed Standard | July 1998 |
| 2369 | The Use of URLs as Meta-Syntax for Core Mail List Commands and their Transport through Message Header FieldsG. Neufeld, J. Baer | Proposed Standard | July 1998 |
| 2368 | The mailto URL schemeP. Hoffman, L. Masinter, J. Zawinski · obsoleted by RFC 6068 | Proposed Standard | July 1998 |
| 2345 | Domain Names and Company Name RetrievalJ. Klensin, T. Wolf, G. Oglesby | Experimental | May 1998 |
| 2326 | Real Time Streaming Protocol (RTSP)H. Schulzrinne, A. Rao, R. Lanphier · obsoleted by RFC 7826 | Proposed Standard | April 1998 |
| 2299 | Request for Comments SummaryA. Ramos | Informational | January 1999 |
| 2291 | Requirements for a Distributed Authoring and Versioning Protocol for the World Wide WebJ. Slein, F. Vitali, E. Whitehead, D. Durand | Informational | February 1998 |
| 2276 | Architectural Principles of Uniform Resource Name ResolutionK. Sollins | Informational | January 1998 |
| 2255 | The LDAP URL FormatT. Howes, M. Smith · obsoleted by RFC 4510, RFC 4516 | Proposed Standard | December 1997 |
| 2251 | Lightweight Directory Access Protocol (v3)M. Wahl, T. Howes, S. Kille · obsoleted by RFC 4510, RFC 4511, RFC 4512, RFC 4513 | Proposed Standard | December 1997 |
| 2249 | Mail Monitoring MIBN. Freed, S. Kille · obsoleted by RFC 2789 | Proposed Standard | January 1998 |
| 2248 | Network Services Monitoring MIBN. Freed, S. Kille · obsoleted by RFC 2788 | Proposed Standard | January 1998 |
| 2244 | ACAP -- Application Configuration Access ProtocolC. Newman, J. G. Myers | Proposed Standard | November 1997 |
| 2229 | A Dictionary Server ProtocolR. Faith, B. Martin | Informational | October 1997 |
| 2224 | NFS URL SchemeB. Callaghan | Informational | October 1997 |
| 2221 | IMAP4 Login ReferralsM. Gahrns | Proposed Standard | October 1997 |
| 2193 | IMAP4 Mailbox ReferralsM. Gahrns | Proposed Standard | 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 |
| 2167 | Referral Whois (RWhois) Protocol V1.5S. Williamson, M. Kosters, D. Blacka, J. Singh, K. Zeilstra | Informational | June 1997 |
| 2165 | Service Location ProtocolJ. Veizades, E. Guttman, C. Perkins, S. Kaplan | Proposed Standard | June 1997 |
| 2151 | A Primer On Internet and TCP/IP Tools and UtilitiesG. Kessler, S. Shepard | Informational | June 1997 |
| 2150 | Humanities and Arts: Sharing Center Stage on the InternetJ. Max, W. Stickle | Informational | October 1997 |
| 2122 | VEMMI URL SpecificationD. Mavrakis, H. Layec, K. Kartmann | Proposed Standard | March 1997 |
| 2111 | Content-ID and Message-ID Uniform Resource LocatorsE. Levinson · obsoleted by RFC 2392 | Proposed Standard | March 1997 |
| 2110 | MIME E-mail Encapsulation of Aggregate Documents, such as HTML (MHTML)J. Palme, A. Hopmann · obsoleted by RFC 2557 | Proposed Standard | March 1997 |
| 2079 | Definition of an X.500 Attribute Type and an Object Class to Hold Uniform Resource Identifiers (URIs)M. Smith | Proposed Standard | January 1997 |
| 2070 | Internationalization of the Hypertext Markup LanguageF. Yergeau, G. Nicol, G. Adams, M. Duerst · obsoleted by RFC 2854 | Historic | January 1997 |
| 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 |
| 2056 | Uniform Resource Locators for Z39.50R. Denenberg, J. Kunze, D. Lynch | Proposed Standard | November 1996 |
| 2017 | Definition of the URL MIME External-Body Access-TypeN. Freed, K. Moore, A. Cargille | Proposed Standard | October 1996 |
| 2016 | Uniform Resource Agents (URAs)L. Daigle, P. Deutsch, B. Heelan, C. Alpaugh, M. Maclachlan | Experimental | October 1996 |
| 1983 | Internet Users' GlossaryG. Malkin, Ed. | Informational | August 1996 |
| 1980 | A Proposed Extension to HTML : Client-Side Image MapsJ. Seidman · obsoleted by RFC 2854 | Historic | August 1996 |
| 1959 | An LDAP URL FormatT. Howes, M. Smith · obsoleted by RFC 2255 | Proposed Standard | June 1996 |
| 1945 | Hypertext Transfer Protocol -- HTTP/1.0T. Berners-Lee, R. Fielding, H. Frystyk | Informational | May 1996 |
| 1866 | Hypertext Markup Language - 2.0T. Berners-Lee, D. Connolly · obsoleted by RFC 2854 | Historic | November 1995 |
| 1808 | Relative Uniform Resource LocatorsR. Fielding · obsoleted by RFC 3986 | Proposed Standard | June 1995 |
| 1739 | A Primer On Internet and TCP/IP ToolsG. Kessler, S. Shepard · obsoleted by RFC 2151 | Informational | December 1994 |
| 1727 | A Vision of an Integrated Internet Information ServiceC. Weider, P. Deutsch | Informational | December 1994 |