| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1918 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. J. de Groot, E. Lear | Best Current Practice | February 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2473 | Generic Packet Tunneling in IPv6 SpecificationA. Conta, S. Deering | Proposed Standard | December 1998 |
| 2474 | Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 HeadersK. Nichols, S. Blake, F. Baker, D. Black | Proposed Standard | December 1998 |
| 2663 | IP Network Address Translator (NAT) Terminology and ConsiderationsP. Srisuresh, M. Holdrege | Informational | August 1999 |
| 2993 | Architectural Implications of NATT. Hain | Informational | November 2000 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4213 | Basic Transition Mechanisms for IPv6 Hosts and RoutersE. Nordmark, R. Gilligan | Proposed Standard | October 2005 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 4987 | TCP SYN Flooding Attacks and Common MitigationsW. Eddy | Informational | August 2007 |
| 5320 | The Subnetwork Encapsulation and Adaptation Layer (SEAL)F. Templin, Ed. | Experimental | February 2010 |
| 5382 | NAT Behavioral Requirements for TCPS. Guha, Ed., K. Biswas, B. Ford, S. Sivakumar, P. Srisuresh | Best Current Practice | October 2008 |
| 5508 | NAT Behavioral Requirements for ICMPP. Srisuresh, B. Ford, S. Sivakumar, S. Guha | Best Current Practice | April 2009 |
| 5571 | Softwire Hub and Spoke Deployment Framework with Layer Two Tunneling Protocol Version 2 (L2TPv2)B. Storer, C. Pignataro, Ed., M. Dos Santos, B. Stevant, Ed., L. Toutain, J. Tremblay | Proposed Standard | June 2009 |
| 5625 | DNS Proxy Implementation GuidelinesR. Bellis | Best Current Practice | August 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 6269 | Issues with IP Address SharingM. Ford, Ed., M. Boucadair, A. Durand, P. Levis, P. Roberts | Informational | June 2011 |
| 6302 | Logging Recommendations for Internet-Facing ServersA. Durand, I. Gashinsky, D. Lee, S. Sheppard | Best Current Practice | June 2011 |
| 6334 | Dynamic Host Configuration Protocol for IPv6 (DHCPv6) Option for Dual-Stack LiteD. Hankins, T. Mrugalski | Proposed Standard | August 2011 |