| 1661 | The Point-to-Point Protocol (PPP)W. Simpson, Ed. | Internet Standard | July 1994 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2663 | IP Network Address Translator (NAT) Terminology and ConsiderationsP. Srisuresh, M. Holdrege | Informational | August 1999 |
| 3022 | Traditional IP Network Address Translator (Traditional NAT)P. Srisuresh, K. Egevang | Informational | January 2001 |
| 3303 | Middlebox communication architecture and frameworkP. Srisuresh, J. Kuthan, J. Rosenberg, A. Molitor, A. Rayhan | Informational | August 2002 |
| 3304 | Middlebox Communications (midcom) Protocol RequirementsR. P. Swale, P. A. Mart, P. Sijben, S. Brim, M. Shore | Informational | August 2002 |
| 3411 | An Architecture for Describing Simple Network Management Protocol (SNMP) Management FrameworksD. Harrington, R. Presuhn, B. Wijnen | Internet Standard | December 2002 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 4005 | Diameter Network Access Server ApplicationP. Calhoun, G. Zorn, D. Spence, D. Mitton · obsoleted by RFC 7155 | Proposed Standard | August 2005 |
| 4097 | Middlebox Communications (MIDCOM) Protocol EvaluationM. Barnes, Ed. | Informational | June 2005 |
| 4675 | RADIUS Attributes for Virtual LAN and Priority SupportP. Congdon, M. Sanchez, B. Aboba | Proposed Standard | September 2006 |
| 5189 | Middlebox Communication (MIDCOM) Protocol SemanticsM. Stiemerling, J. Quittek, T. Taylor | Proposed Standard | March 2008 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5777 | Traffic Classification and Quality of Service (QoS) Attributes for DiameterJ. Korhonen, H. Tschofenig, M. Arumaithurai, M. Jones, Ed., A. Lior | Proposed Standard | February 2010 |
| 6145 | IP/ICMP Translation AlgorithmX. Li, C. Bao, F. Baker · obsoleted by RFC 7915 | Proposed Standard | April 2011 |
| 6146 | Stateful NAT64: Network Address and Protocol Translation from IPv6 Clients to IPv4 ServersM. Bagnulo, P. Matthews, I. van Beijnum | Proposed Standard | April 2011 |
| 6241 | Network Configuration Protocol (NETCONF)R. Enns, Ed., M. Bjorklund, Ed., J. Schoenwaelder, Ed., A. Bierman, Ed. | Proposed Standard | June 2011 |
| 6733 | Diameter Base ProtocolV. Fajardo, Ed., J. Arkko, J. Loughney, G. Zorn, Ed. | Proposed Standard | October 2012 |