| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 868 | Time ProtocolJ. Postel, K. Harrenstien | Internet Standard | May 1983 |
| 1071 | Computing the Internet checksumR.T. Braden, D.A. Borman, C. Partridge | Informational | September 1988 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 1141 | Incremental updating of the Internet checksumT. Mallory, A. Kullberg | Informational | January 1990 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2675 | IPv6 JumbogramsD. Borman, S. Deering, R. Hinden | Proposed Standard | August 1999 |
| 2923 | TCP Problems with Path MTU DiscoveryK. Lahey | Informational | September 2000 |
| 3095 | RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressedC. Bormann, C. Burmeister, M. Degermark, H. Fukushima, H. Hannu, L-E. Jonsson, R. Hakenberg, T. Koren, K. Le, Z. Liu, A. Martensson, A. Miyazaki, K. Svanbro, T. Wiebke, T. Yoshimura, H. Zheng | Proposed Standard | July 2001 |
| 3173 | IP Payload Compression Protocol (IPComp)A. Shacham, B. Monsour, R. Pereira, M. Thomas | Proposed Standard | September 2001 |
| 3385 | Internet Protocol Small Computer System Interface (iSCSI) Cyclic Redundancy Check (CRC)/Checksum ConsiderationsD. Sheinwald, J. Satran, P. Thaler, V. Cavanna | Informational | September 2002 |
| 3692 | Assigning Experimental and Testing Numbers Considered UsefulT. Narten | Best Current Practice | January 2004 |
| 3828 | The Lightweight User Datagram Protocol (UDP-Lite)L-A. Larzon, M. Degermark, S. Pink, L-E. Jonsson, Ed., G. Fairhurst, Ed. | Proposed Standard | July 2004 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4340 | Datagram Congestion Control Protocol (DCCP)E. Kohler, M. Handley, S. Floyd | Proposed Standard | March 2006 |
| 4380 | Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)C. Huitema | Proposed Standard | February 2006 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 6081 | Teredo ExtensionsD. Thaler | Proposed Standard | January 2011 |
| 6241 | Network Configuration Protocol (NETCONF)R. Enns, Ed., M. Bjorklund, Ed., J. Schoenwaelder, Ed., A. Bierman, Ed. | Proposed Standard | June 2011 |
| 6864 | Updated Specification of the IPv4 ID FieldJ. Touch | Proposed Standard | February 2013 |
| 6935 | IPv6 and UDP Checksums for Tunneled PacketsM. Eubanks, P. Chimento, M. Westerlund | Proposed Standard | April 2013 |
| 6978 | A TCP Authentication Option Extension for NAT TraversalJ. Touch | Experimental | July 2013 |
| 6994 | Shared Use of Experimental TCP OptionsJ. Touch | Proposed Standard | August 2013 |
| 7011 | Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of Flow InformationB. Claise, Ed., B. Trammell, Ed., P. Aitken | Internet Standard | September 2013 |
| 7323 | TCP Extensions for High PerformanceD. Borman, B. Braden, V. Jacobson, R. Scheffenegger, Ed. | Proposed Standard | September 2014 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7950 | The YANG 1.1 Data Modeling LanguageM. Bjorklund, Ed. | Proposed Standard | August 2016 |
| 8040 | RESTCONF ProtocolA. Bierman, M. Bjorklund, K. Watsen | Proposed Standard | January 2017 |
| 8085 | UDP Usage GuidelinesL. Eggert, G. Fairhurst, G. Shepherd | Best Current Practice | March 2017 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8200 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden | Internet Standard | July 2017 |
| 8201 | Path MTU Discovery for IP version 6J. McCann, S. Deering, J. Mogul, R. Hinden, Ed. | Internet Standard | July 2017 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8504 | IPv6 Node RequirementsT. Chown, J. Loughney, T. Winters | Best Current Practice | January 2019 |
| 8724 | SCHC: Generic Framework for Static Context Header Compression and FragmentationA. Minaburo, L. Toutain, C. Gomez, D. Barthel, JC. Zuniga | Proposed Standard | April 2020 |
| 8899 | Packetization Layer Path MTU Discovery for Datagram TransportsG. Fairhurst, T. Jones, M. Tüxen, I. Rüngeler, T. Völker | Proposed Standard | September 2020 |
| 9040 | TCP Control Block InterdependenceJ. Touch, M. Welzl, S. Islam | Informational | July 2021 |
| 9147 | The Datagram Transport Layer Security (DTLS) Protocol Version 1.3E. Rescorla, H. Tschofenig, N. Modadugu | Proposed Standard | April 2022 |
| 9187 | Sequence Number Extension for Windowed ProtocolsJ. Touch | Informational | January 2022 |
| 9260 | Stream Control Transmission ProtocolR. Stewart, M. Tüxen, K. Nielsen | Proposed Standard | June 2022 |
| 9293 | Transmission Control Protocol (TCP)W. Eddy, Ed. | Internet Standard | August 2022 |
| 9298 | Proxying UDP in HTTPD. Schinazi | Proposed Standard | August 2022 |
| 9648 | YANG Data Model for TCPM. Scharf, M. Jethanandani, V. Murgai | Proposed Standard | October 2024 |
| 9869 | Datagram Packetization Layer Path MTU Discovery (DPLPMTUD) for UDP OptionsG. Fairhurst, T. Jones | Proposed Standard | October 2025 |
| 9870 | Export of UDP Options Information in IP Flow Information Export (IPFIX)M. Boucadair, T. Reddy.K | Proposed Standard | October 2025 |