| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 792 | Internet Control Message ProtocolJ. Postel | Internet Standard | September 1981 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2460 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 8200 | Draft 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 |
| 2784 | Generic Routing Encapsulation (GRE)D. Farinacci, T. Li, S. Hanks, D. Meyer, P. Traina | Proposed Standard | March 2000 |
| 2890 | Key and Sequence Number Extensions to GREG. Dommety | Proposed Standard | September 2000 |
| 2914 | Congestion Control PrinciplesS. Floyd | Best Current Practice | September 2000 |
| 2983 | Differentiated Services and TunnelsD. Black | Informational | October 2000 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 6040 | Tunnelling of Explicit Congestion NotificationB. Briscoe | Proposed Standard | November 2010 |
| 6056 | Recommendations for Transport-Protocol Port RandomizationM. Larsen, F. Gont | Best Current Practice | January 2011 |
| 6347 | Datagram Transport Layer Security Version 1.2E. Rescorla, N. Modadugu · obsoleted by RFC 9147 | Proposed Standard | January 2012 |
| 6438 | Using the IPv6 Flow Label for Equal Cost Multipath Routing and Link Aggregation in TunnelsB. Carpenter, S. Amante | Proposed Standard | November 2011 |
| 6935 | IPv6 and UDP Checksums for Tunneled PacketsM. Eubanks, P. Chimento, M. Westerlund | Proposed Standard | April 2013 |
| 6936 | Applicability Statement for the Use of IPv6 UDP Datagrams with Zero ChecksumsG. Fairhurst, M. Westerlund | Proposed Standard | April 2013 |
| 7042 | IANA Considerations and IETF Protocol and Documentation Usage for IEEE 802 ParametersD. Eastlake 3rd, J. Abley · obsoleted by RFC 9542 | Best Current Practice | October 2013 |
| 7637 | NVGRE: Network Virtualization Using Generic Routing EncapsulationP. Garg, Ed., Y. Wang, Ed. | Informational | September 2015 |
| 7676 | IPv6 Support for Generic Routing Encapsulation (GRE)C. Pignataro, R. Bonica, S. Krishnan | Proposed Standard | October 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8085 | UDP Usage GuidelinesL. Eggert, G. Fairhurst, G. Shepherd | Best Current Practice | March 2017 |