| 1179 | Line printer daemon protocolL. McLaughlin | Informational | August 1990 |
| 1274 | The COSINE and Internet X.500 SchemaP. Barker, S. Kille · obsoleted by RFC 4524 | Proposed Standard | November 1991 |
| 1759 | Printer MIBR. Smith, F. Wright, T. Hastings, S. Zilles, J. Gyllenskog · obsoleted by RFC 3805 | Proposed Standard | March 1995 |
| 1951 | DEFLATE Compressed Data Format Specification version 1.3P. Deutsch | Informational | May 1996 |
| 1952 | GZIP file format specification version 4.3P. Deutsch | Informational | May 1996 |
| 1977 | PPP BSD Compression ProtocolV. Schryver | Informational | August 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 |
| 2079 | Definition of an X.500 Attribute Type and an Object Class to Hold Uniform Resource Identifiers (URIs)M. Smith | Proposed Standard | January 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2246 | The TLS Protocol Version 1.0T. Dierks, C. Allen · obsoleted by RFC 4346 | Historic | January 1999 |
| 2252 | Lightweight Directory Access Protocol (v3): Attribute Syntax DefinitionsM. Wahl, A. Coulbeck, T. Howes, S. Kille · obsoleted by RFC 4510, RFC 4512, RFC 4517, RFC 4523 | Proposed Standard | December 1997 |
| 2277 | IETF Policy on Character Sets and LanguagesH. Alvestrand | Best Current Practice | January 1998 |
| 2279 | UTF-8, a transformation format of ISO 10646F. Yergeau · obsoleted by RFC 3629 | Draft Standard | January 1998 |
| 2396 | Uniform Resource Identifiers (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter · obsoleted by RFC 3986 | Draft Standard | August 1998 |
| 2608 | Service Location Protocol, Version 2E. Guttman, C. Perkins, J. Veizades, M. Day | Proposed Standard | June 1999 |
| 2609 | Service Templates and Service: SchemesE. Guttman, C. Perkins, J. Kempf | Proposed 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 |
| 2717 | Registration Procedures for URL Scheme NamesR. Petke, I. King · obsoleted by RFC 4395 | Best Current Practice | November 1999 |
| 2718 | Guidelines for new URL SchemesL. Masinter, H. Alvestrand, D. Zigmond, R. Petke · obsoleted by RFC 4395 | Informational | November 1999 |
| 2829 | Authentication Methods for LDAPM. Wahl, H. Alvestrand, J. Hodges, R. Morgan · obsoleted by RFC 4510, RFC 4513 | Proposed Standard | May 2000 |
| 2830 | Lightweight Directory Access Protocol (v3): Extension for Transport Layer SecurityJ. Hodges, R. Morgan, M. Wahl · obsoleted by RFC 4510, RFC 4511, RFC 4513 | 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 |
| 2926 | Conversion of LDAP Schemas to and from SLP TemplatesJ. Kempf, R. Moats, P. St. Pierre | Informational | September 2000 |
| 2978 | IANA Charset Registration ProceduresN. Freed, J. Postel | Best Current Practice | October 2000 |
| 3066 | Tags for the Identification of LanguagesH. Alvestrand · obsoleted by RFC 4646, RFC 4647 | Best Current Practice | January 2001 |
| 3377 | Lightweight Directory Access Protocol (v3): Technical SpecificationJ. Hodges, R. Morgan · obsoleted by RFC 4510 | Proposed Standard | September 2002 |
| 3698 | Lightweight Directory Access Protocol (LDAP): Additional Matching RulesK. Zeilenga, Ed. | Proposed Standard | February 2004 |