| 1321 | The MD5 Message-Digest AlgorithmR. Rivest | Informational | April 1992 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2865 | Remote Authentication Dial In User Service (RADIUS)C. Rigney, S. Willens, A. Rubens, W. Simpson | Draft Standard | June 2000 |
| 2866 | RADIUS AccountingC. Rigney | Informational | June 2000 |
| 2868 | RADIUS Attributes for Tunnel Protocol SupportG. Zorn, D. Leifer, A. Rubens, J. Shriver, M. Holdrege, I. Goyret | Informational | June 2000 |
| 2869 | RADIUS ExtensionsC. Rigney, W. Willats, P. Calhoun | Informational | June 2000 |
| 3162 | RADIUS and IPv6B. Aboba, G. Zorn, D. Mitton | Proposed Standard | August 2001 |
| 3539 | Authentication, Authorization and Accounting (AAA) Transport ProfileB. Aboba, J. Wood | Proposed Standard | June 2003 |
| 3575 | IANA Considerations for RADIUS (Remote Authentication Dial In User Service)B. Aboba | Proposed Standard | July 2003 |
| 3576 | Dynamic Authorization Extensions to Remote Authentication Dial In User Service (RADIUS)M. Chiba, G. Dommety, M. Eklund, D. Mitton, B. Aboba · obsoleted by RFC 5176 | Informational | July 2003 |
| 3579 | RADIUS (Remote Authentication Dial In User Service) Support For Extensible Authentication Protocol (EAP)B. Aboba, P. Calhoun | Informational | September 2003 |
| 3588 | Diameter Base ProtocolP. Calhoun, J. Loughney, E. Guttman, G. Zorn, J. Arkko · obsoleted by RFC 6733 | Proposed Standard | September 2003 |
| 4282 | The Network Access IdentifierB. Aboba, M. Beadles, J. Arkko, P. Eronen · obsoleted by RFC 7542 | Proposed Standard | December 2005 |
| 4330 | Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSID. Mills · obsoleted by RFC 5905 | Informational | January 2006 |
| 4372 | Chargeable User IdentityF. Adrangi, A. Lior, J. Korhonen, J. Loughney | Proposed Standard | January 2006 |
| 4675 | RADIUS Attributes for Virtual LAN and Priority SupportP. Congdon, M. Sanchez, B. Aboba | Proposed Standard | September 2006 |
| 4818 | RADIUS Delegated-IPv6-Prefix AttributeJ. Salowey, R. Droms | Proposed Standard | April 2007 |
| 4849 | RADIUS Filter Rule AttributeP. Congdon, M. Sanchez, B. Aboba | Proposed Standard | April 2007 |