| 9110 | HTTP SemanticsR. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. | Internet Standard | June 2022 |
| 8760 | The Session Initiation Protocol (SIP) Digest Access Authentication SchemeR. Shekh-Yusef | Proposed Standard | March 2020 |
| 7826 | Real-Time Streaming Protocol Version 2.0H. Schulzrinne, A. Rao, R. Lanphier, M. Westerlund, M. Stiemerling, Ed. | Proposed Standard | December 2016 |
| 7617 | The 'Basic' HTTP Authentication SchemeJ. Reschke | Proposed Standard | September 2015 |
| 7616 | HTTP Digest Access AuthenticationR. Shekh-Yusef, Ed., D. Ahrens, S. Bremer | Proposed Standard | September 2015 |
| 7615 | HTTP Authentication-Info and Proxy-Authentication-Info Response Header FieldsJ. Reschke · obsoleted by RFC 9110 | Proposed Standard | September 2015 |
| 7612 | Lightweight Directory Access Protocol (LDAP): Schema for Printer ServicesP. Fleming, I. McDonald | Informational | June 2015 |
| 7236 | Initial Hypertext Transfer Protocol (HTTP) Authentication Scheme RegistrationsJ. Reschke | Informational | June 2014 |
| 7235 | Hypertext Transfer Protocol (HTTP/1.1): AuthenticationR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7199 | Location Configuration Extensions for Policy ManagementR. Barnes, M. Thomson, J. Winterbottom, H. Tschofenig | Proposed Standard | April 2014 |
| 7118 | The WebSocket Protocol as a Transport for the Session Initiation Protocol (SIP)I. Baz Castillo, J. Millan Villegas, V. Pascual | Proposed Standard | January 2014 |
| 7030 | Enrollment over Secure TransportM. Pritikin, Ed., P. Yee, Ed., D. Harkins, Ed. | Proposed Standard | October 2013 |
| 6764 | Locating Services for Calendaring Extensions to WebDAV (CalDAV) and vCard Extensions to WebDAV (CardDAV)C. Daboo | Proposed Standard | February 2013 |
| 6750 | The OAuth 2.0 Authorization Framework: Bearer Token UsageM. Jones, D. Hardt | Proposed Standard | October 2012 |
| 6749 | The OAuth 2.0 Authorization FrameworkD. Hardt, Ed. | Proposed Standard | October 2012 |
| 6638 | Scheduling Extensions to CalDAVC. Daboo, B. Desruisseaux | Proposed Standard | June 2012 |
| 6632 | An Overview of the IETF Network Management StandardsM. Ersue, Ed., B. Claise | Informational | June 2012 |
| 6503 | Centralized Conferencing Manipulation ProtocolM. Barnes, C. Boulton, S. Romano, H. Schulzrinne | Proposed Standard | March 2012 |
| 6352 | CardDAV: vCard Extensions to Web Distributed Authoring and Versioning (WebDAV)C. Daboo | Proposed Standard | August 2011 |
| 6331 | Moving DIGEST-MD5 to HistoricA. Melnikov | Informational | July 2011 |
| 6155 | Use of Device Identity in HTTP-Enabled Location Delivery (HELD)J. Winterbottom, M. Thomson, H. Tschofenig, R. Barnes | Proposed Standard | March 2011 |
| 6080 | A Framework for Session Initiation Protocol User Agent Profile DeliveryD. Petrie, S. Channabasappa, Ed. | Proposed Standard | March 2011 |
| 6011 | Session Initiation Protocol (SIP) User Agent ConfigurationS. Lawrence, Ed., J. Elwell | Informational | October 2010 |
| 5985 | HTTP-Enabled Location Delivery (HELD)M. Barnes, Ed. | Proposed Standard | September 2010 |
| 5849 | The OAuth 1.0 ProtocolE. Hammer-Lahav, Ed. · obsoleted by RFC 6749 | Informational | April 2010 |
| 5408 | Identity-Based Encryption Architecture and Supporting Data StructuresG. Appenzeller, L. Martin, M. Schertler | Informational | January 2009 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5365 | Multiple-Recipient MESSAGE Requests in the Session Initiation Protocol (SIP)M. Garcia-Martin, G. Camarillo | Proposed Standard | October 2008 |
| 5361 | A Document Format for Requesting ConsentG. Camarillo | Proposed Standard | October 2008 |
| 5122 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre | Proposed Standard | February 2008 |
| 5090 | RADIUS Extension for Digest AuthenticationB. Sterman, D. Sadolevsky, D. Schwartz, D. Williams, W. Beck | Proposed Standard | February 2008 |
| 5025 | Presence Authorization RulesJ. Rosenberg | Proposed Standard | December 2007 |
| 5023 | The Atom Publishing ProtocolJ. Gregorio, Ed., B. de hOra, Ed. | Proposed Standard | October 2007 |
| 5005 | Feed Paging and ArchivingM. Nottingham | Proposed Standard | September 2007 |
| 4976 | Relay Extensions for the Message Sessions Relay Protocol (MSRP)C. Jennings, R. Mahy, A. B. Roach | Proposed Standard | September 2007 |
| 4969 | IANA Registration for vCard EnumserviceA. Mayrhofer | Proposed Standard | August 2007 |
| 4918 | HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)L. Dusseault, Ed. | Proposed Standard | June 2007 |
| 4827 | An Extensible Markup Language (XML) Configuration Access Protocol (XCAP) Usage for Manipulating Presence Document ContentsM. Isomaki, E. Leppanen | Proposed Standard | May 2007 |
| 4825 | The Extensible Markup Language (XML) Configuration Access Protocol (XCAP)J. Rosenberg | Proposed Standard | May 2007 |
| 4743 | Using NETCONF over the Simple Object Access Protocol (SOAP)T. Goddard | Historic | December 2006 |
| 4740 | Diameter Session Initiation Protocol (SIP) ApplicationM. Garcia-Martin, Ed., M. Belinchon, M. Pallares-Lopez, C. Canales-Valenzuela, K. Tammi | Proposed Standard | November 2006 |
| 4622 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre · obsoleted by RFC 5122 | Proposed Standard | August 2006 |
| 4590 | RADIUS Extension for Digest AuthenticationB. Sterman, D. Sadolevsky, D. Schwartz, D. Williams, W. Beck · obsoleted by RFC 5090 | Proposed Standard | July 2006 |
| 4572 | Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)J. Lennox · obsoleted by RFC 8122 | Proposed Standard | July 2006 |
| 4559 | SPNEGO-based Kerberos and NTLM HTTP Authentication in Microsoft WindowsK. Jaganathan, L. Zhu, J. Brezak | Informational | June 2006 |
| 4412 | Communications Resource Priority for the Session Initiation Protocol (SIP)H. Schulzrinne, J. Polk | Proposed Standard | February 2006 |
| 4229 | HTTP Header Field RegistrationsM. Nottingham, J. Mogul | Informational | December 2005 |
| 4189 | Requirements for End-to-Middle Security for the Session Initiation Protocol (SIP)K. Ono, S. Tachimoto | Informational | October 2005 |
| 4169 | Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA) Version-2V. Torvinen, J. Arkko, M. Naslund | Informational | November 2005 |
| 3944 | H.350 Directory ServicesT. Johnson, S. Okubo, S. Campos | Informational | December 2004 |
| 3911 | The Session Initiation Protocol (SIP) "Join" HeaderR. Mahy, D. Petrie | Proposed Standard | October 2004 |
| 3891 | The Session Initiation Protocol (SIP) "Replaces" HeaderR. Mahy, B. Biggs, R. Dean | Proposed Standard | September 2004 |
| 3875 | The Common Gateway Interface (CGI) Version 1.1D. Robinson, K. Coar | Informational | October 2004 |
| 3864 | Registration Procedures for Message Header FieldsG. Klyne, M. Nottingham, J. Mogul | Best Current Practice | September 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 |
| 3744 | Web Distributed Authoring and Versioning (WebDAV) Access Control ProtocolG. Clemm, J. Reschke, E. Sedlar, J. Whitehead | Proposed Standard | May 2004 |
| 3712 | Lightweight Directory Access Protocol (LDAP): Schema for Printer ServicesP. Fleming, I. McDonald · obsoleted by RFC 7612 | Informational | February 2004 |
| 3666 | Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call FlowsA. Johnston, S. Donovan, R. Sparks, C. Cunningham, K. Summers | Best Current Practice | January 2004 |
| 3665 | Session Initiation Protocol (SIP) Basic Call Flow ExamplesA. Johnston, S. Donovan, R. Sparks, C. Cunningham, K. Summers | Best Current Practice | January 2004 |
| 3507 | Internet Content Adaptation Protocol (ICAP)J. Elson, A. Cerpa | Informational | April 2003 |
| 3485 | The Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Static Dictionary for Signaling Compression (SigComp)M. Garcia-Martin, C. Bormann, J. Ott, R. Price, A. B. Roach | Proposed Standard | March 2003 |
| 3329 | Security Mechanism Agreement for the Session Initiation Protocol (SIP)J. Arkko, V. Torvinen, G. Camarillo, A. Niemi, T. Haukka | Proposed Standard | January 2003 |
| 3310 | Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA)A. Niemi, J. Arkko, V. Torvinen | Informational | September 2002 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |
| 3230 | Instance Digests in HTTPJ. Mogul, A. Van Hoff · obsoleted by RFC 9530 | Proposed Standard | January 2002 |
| 3229 | Delta encoding in HTTPJ. Mogul, B. Krishnamurthy, F. Douglis, A. Feldmann, Y. Goland, A. van Hoff, D. Hellerstein | Proposed Standard | January 2002 |
| 3205 | On the use of HTTP as a SubstrateK. Moore · obsoleted by RFC 9205 | Best Current Practice | February 2002 |
| 3117 | On the Design of Application ProtocolsM. Rose | Informational | November 2001 |
| 2911 | Internet Printing Protocol/1.1: Model and SemanticsT. Hastings, Ed., R. Herriot, R. deBry, S. Isaacson, P. Powell · obsoleted by RFC 8011 | Proposed Standard | September 2000 |
| 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 |
| 2831 | Using Digest Authentication as a SASL MechanismP. Leach, C. Newman · obsoleted by RFC 6331 | Historic | May 2000 |
| 2660 | The Secure HyperText Transfer ProtocolE. Rescorla, A. Schiffman | Historic | August 1999 |
| 2653 | CIP Transport ProtocolsJ. Allen, P. Leach, R. Hedberg | Proposed Standard | August 1999 |