| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGESD. Crocker · obsoleted by RFC 2822 | Internet Standard | August 1982 |
| 1123 | Requirements for Internet Hosts - Application and SupportR. Braden, Ed. | Internet Standard | October 1989 |
| 1179 | Line printer daemon protocolL. McLaughlin | Informational | August 1990 |
| 1738 | Uniform Resource Locators (URL)T. Berners-Lee, L. Masinter, M. McCahill · obsoleted by RFC 4248, RFC 4266 | Proposed Standard | December 1994 |
| 1759 | Printer MIBR. Smith, F. Wright, T. Hastings, S. Zilles, J. Gyllenskog · obsoleted by RFC 3805 | Proposed Standard | March 1995 |
| 1766 | Tags for the Identification of LanguagesH. Alvestrand · obsoleted by RFC 3066, RFC 3282 | Proposed Standard | March 1995 |
| 1808 | Relative Uniform Resource LocatorsR. Fielding · obsoleted by RFC 3986 | Proposed Standard | June 1995 |
| 1903 | Textual Conventions for Version 2 of the Simple Network Management Protocol (SNMPv2)J. Case, K. McCloghrie, M. Rose, S. Waldbusser · obsoleted by RFC 2579 | Draft Standard | January 1996 |
| 2046 | Multipurpose Internet Mail Extensions (MIME) Part Two: Media TypesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2048 | Multipurpose Internet Mail Extensions (MIME) Part Four: Registration ProceduresN. Freed, J. Klensin, J. Postel · obsoleted by RFC 4288, RFC 4289 | Best Current Practice | November 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2184 | MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and ContinuationsN. Freed, K. Moore · obsoleted by RFC 2231 | Proposed Standard | August 1997 |
| 2223 | Instructions to RFC AuthorsJ. Postel, J. Reynolds · obsoleted by RFC 7322 | Informational | October 1997 |
| 2234 | Augmented BNF for Syntax Specifications: ABNFD. Crocker, Ed., P. Overell · obsoleted by RFC 4234 | Proposed Standard | November 1997 |
| 2246 | The TLS Protocol Version 1.0T. Dierks, C. Allen · obsoleted by RFC 4346 | Historic | January 1999 |
| 2396 | Uniform Resource Identifiers (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter · obsoleted by RFC 3986 | Draft Standard | August 1998 |
| 2434 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 5226 | Best Current Practice | October 1998 |
| 2565 | Internet Printing Protocol/1.0: Encoding and TransportR. Herriot, Ed., S. Butler, P. Moore, R. Turner · obsoleted by RFC 2910 | Experimental | April 1999 |
| 2566 | Internet Printing Protocol/1.0: Model and SemanticsR. deBry, T. Hastings, R. Herriot, S. Isaacson, P. Powell · obsoleted by RFC 2911 | Experimental | April 1999 |
| 2567 | Design Goals for an Internet Printing ProtocolF. Wright | Experimental | April 1999 |
| 2568 | Rationale for the Structure of the Model and Protocol for the Internet Printing ProtocolS. Zilles | Experimental | April 1999 |
| 2569 | Mapping between LPD and IPP ProtocolsR. Herriot, Ed., T. Hastings, N. Jacobs, J. Martin | Experimental | April 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 |
| 2617 | HTTP Authentication: Basic and Digest Access AuthenticationJ. Franks, P. Hallam-Baker, J. Hostetler, S. Lawrence, P. Leach, A. Luotonen, L. Stewart · obsoleted by RFC 7235, RFC 7615, RFC 7616, RFC 7617 | Draft Standard | June 1999 |
| 2817 | Upgrading to TLS Within HTTP/1.1R. Khare, S. Lawrence | Proposed Standard | May 2000 |
| 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 |