| 1994 | PPP Challenge Handshake Authentication Protocol (CHAP)W. Simpson | Draft Standard | August 1996 |
| 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 |
| 3720 | Internet Small Computer Systems Interface (iSCSI)J. Satran, K. Meth, C. Sapuntzakis, M. Chadalapaka, E. Zeidner · obsoleted by RFC 7143 | Proposed Standard | April 2004 |
| 3744 | Web Distributed Authoring and Versioning (WebDAV) Access Control ProtocolG. Clemm, J. Reschke, E. Sedlar, J. Whitehead | Proposed Standard | May 2004 |
| 4171 | Internet Storage Name Service (iSNS)J. Tseng, K. Gibbons, F. Travostino, C. Du Laney, J. Souza | Proposed Standard | September 2005 |
| 4331 | Quota and Size Properties for Distributed Authoring and Versioning (DAV) CollectionsB. Korver, L. Dusseault | Proposed Standard | February 2006 |
| 4838 | Delay-Tolerant Networking ArchitectureV. Cerf, S. Burleigh, A. Hooke, L. Torgerson, R. Durst, K. Scott, K. Fall, H. Weiss | Informational | April 2007 |
| 4918 | HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)L. Dusseault, Ed. | Proposed Standard | June 2007 |
| 5050 | Bundle Protocol SpecificationK. Scott, S. Burleigh | Experimental | November 2007 |
| 5323 | Web Distributed Authoring and Versioning (WebDAV) SEARCHJ. Reschke, Ed., S. Reddy, J. Davis, A. Babich | Proposed Standard | November 2008 |
| 5661 | Network File System (NFS) Version 4 Minor Version 1 ProtocolS. Shepler, Ed., M. Eisler, Ed., D. Noveck, Ed. · obsoleted by RFC 8881 | Proposed Standard | January 2010 |
| 5663 | Parallel NFS (pNFS) Block/Volume LayoutD. Black, S. Fridella, J. Glasgow | Proposed Standard | January 2010 |
| 5664 | Object-Based Parallel NFS (pNFS) OperationsB. Halevy, B. Welch, J. Zelenka | Proposed Standard | January 2010 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5849 | The OAuth 1.0 ProtocolE. Hammer-Lahav, Ed. · obsoleted by RFC 6749 | Informational | April 2010 |