| 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 |
| 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 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1812 | Requirements for IP Version 4 RoutersF. Baker, Ed. | Proposed Standard | June 1995 |
| 1981 | Path MTU Discovery for IP version 6J. McCann, S. Deering, J. Mogul · obsoleted by RFC 8201 | Draft Standard | August 1996 |
| 2018 | TCP Selective Acknowledgment OptionsM. Mathis, J. Mahdavi, S. Floyd, A. Romanow | Proposed Standard | October 1996 |
| 2045 | Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message BodiesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2460 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 8200 | Draft Standard | December 1998 |
| 2710 | Multicast Listener Discovery (MLD) for IPv6S. Deering, W. Fenner, B. Haberman | Proposed Standard | October 1999 |
| 2736 | Guidelines for Writers of RTP Payload Format SpecificationsM. Handley, C. Perkins | Best Current Practice | December 1999 |
| 3168 | The Addition of Explicit Congestion Notification (ECN) to IPK. Ramakrishnan, S. Floyd, D. Black | Proposed Standard | September 2001 |
| 3205 | On the use of HTTP as a SubstrateK. Moore · obsoleted by RFC 9205 | Best Current Practice | February 2002 |
| 3260 | New Terminology and Clarifications for DiffservD. Grossman | Informational | April 2002 |
| 3436 | Transport Layer Security over Stream Control Transmission ProtocolA. Jungmaier, E. Rescorla, M. Tuexen | Proposed Standard | December 2002 |
| 3450 | Asynchronous Layered Coding (ALC) Protocol InstantiationM. Luby, J. Gemmell, L. Vicisano, L. Rizzo, J. Crowcroft · obsoleted by RFC 5775 | Experimental | December 2002 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3738 | Wave and Equation Based Rate Control (WEBRC) Building BlockM. Luby, V. Goyal | Experimental | April 2004 |
| 3758 | Stream Control Transmission Protocol (SCTP) Partial Reliability ExtensionR. Stewart, M. Ramalho, Q. Xie, M. Tuexen, P. Conrad | Proposed Standard | May 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 |
| 3926 | FLUTE - File Delivery over Unidirectional TransportT. Paila, M. Luby, R. Lehtonen, V. Roca, R. Walsh · obsoleted by RFC 6726 | Experimental | October 2004 |
| 3971 | SEcure Neighbor Discovery (SEND)J. Arkko, Ed., J. Kempf, B. Zill, P. Nikander | Proposed Standard | March 2005 |
| 4336 | Problem Statement for the Datagram Congestion Control Protocol (DCCP)S. Floyd, M. Handley, E. Kohler | Informational | March 2006 |
| 4340 | Datagram Congestion Control Protocol (DCCP)E. Kohler, M. Handley, S. Floyd | Proposed Standard | March 2006 |
| 4341 | Profile for Datagram Congestion Control Protocol (DCCP) Congestion Control ID 2: TCP-like Congestion ControlS. Floyd, E. Kohler | Proposed Standard | March 2006 |
| 4342 | Profile for Datagram Congestion Control Protocol (DCCP) Congestion Control ID 3: TCP-Friendly Rate Control (TFRC)S. Floyd, E. Kohler, J. Padhye | Proposed Standard | April 2006 |
| 4443 | Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) SpecificationA. Conta, S. Deering, M. Gupta, Ed. | Internet Standard | March 2006 |
| 4654 | TCP-Friendly Multicast Congestion Control (TFMCC): Protocol SpecificationJ. Widmer, M. Handley | Experimental | August 2006 |
| 4820 | Padding Chunk and Parameter for the Stream Control Transmission Protocol (SCTP)M. Tuexen, R. Stewart, P. Lei | Proposed Standard | March 2007 |
| 4821 | Packetization Layer Path MTU DiscoveryM. Mathis, J. Heffner | Proposed Standard | March 2007 |
| 4828 | TCP Friendly Rate Control (TFRC): The Small-Packet (SP) VariantS. Floyd, E. Kohler | Experimental | April 2007 |
| 4861 | Neighbor Discovery for IP version 6 (IPv6)T. Narten, E. Nordmark, W. Simpson, H. Soliman | Draft Standard | September 2007 |
| 4895 | Authenticated Chunks for the Stream Control Transmission Protocol (SCTP)M. Tuexen, R. Stewart, P. Lei, E. Rescorla | Proposed Standard | August 2007 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 5052 | Forward Error Correction (FEC) Building BlockM. Watson, M. Luby, L. Vicisano | Proposed Standard | August 2007 |
| 5061 | Stream Control Transmission Protocol (SCTP) Dynamic Address ReconfigurationR. Stewart, Q. Xie, M. Tuexen, S. Maruyama, M. Kozuka | Proposed Standard | September 2007 |
| 5097 | MIB for the UDP-Lite protocolG. Renker, G. Fairhurst | Proposed Standard | January 2008 |
| 5238 | Datagram Transport Layer Security (DTLS) over the Datagram Congestion Control Protocol (DCCP)T. Phelan | Proposed Standard | May 2008 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |
| 5348 | TCP Friendly Rate Control (TFRC): Protocol SpecificationS. Floyd, M. Handley, J. Padhye, J. Widmer | Proposed Standard | September 2008 |
| 5461 | TCP's Reaction to Soft ErrorsF. Gont | Informational | February 2009 |
| 5595 | The Datagram Congestion Control Protocol (DCCP) Service CodesG. Fairhurst | Proposed Standard | September 2009 |
| 5596 | Datagram Congestion Control Protocol (DCCP) Simultaneous-Open Technique to Facilitate NAT/Middlebox TraversalG. Fairhurst | Proposed Standard | September 2009 |
| 5622 | Profile for Datagram Congestion Control Protocol (DCCP) Congestion ID 4: TCP-Friendly Rate Control for Small Packets (TFRC-SP)S. Floyd, E. Kohler | Experimental | August 2009 |
| 5651 | Layered Coding Transport (LCT) Building BlockM. Luby, M. Watson, L. Vicisano | Proposed Standard | October 2009 |
| 5681 | TCP Congestion ControlM. Allman, V. Paxson, E. Blanton | Draft Standard | September 2009 |
| 5740 | NACK-Oriented Reliable Multicast (NORM) Transport ProtocolB. Adamson, C. Bormann, M. Handley, J. Macker | Proposed Standard | November 2009 |
| 5762 | RTP and the Datagram Congestion Control Protocol (DCCP)C. Perkins | Proposed Standard | April 2010 |
| 5775 | Asynchronous Layered Coding (ALC) Protocol InstantiationM. Luby, M. Watson, L. Vicisano | Proposed Standard | April 2010 |
| 6056 | Recommendations for Transport-Protocol Port RandomizationM. Larsen, F. Gont | Best Current Practice | January 2011 |
| 6083 | Datagram Transport Layer Security (DTLS) for Stream Control Transmission Protocol (SCTP)M. Tuexen, R. Seggelmann, E. Rescorla | Proposed Standard | January 2011 |
| 6093 | On the Implementation of the TCP Urgent MechanismF. Gont, A. Yourtchenko · obsoleted by RFC 9293 | Proposed Standard | January 2011 |
| 6101 | The Secure Sockets Layer (SSL) Protocol Version 3.0A. Freier, P. Karlton, P. Kocher | Historic | August 2011 |
| 6347 | Datagram Transport Layer Security Version 1.2E. Rescorla, N. Modadugu · obsoleted by RFC 9147 | Proposed Standard | January 2012 |
| 6356 | Coupled Congestion Control for Multipath Transport ProtocolsC. Raiciu, M. Handley, D. Wischik | Experimental | October 2011 |
| 6363 | Forward Error Correction (FEC) FrameworkM. Watson, A. Begen, V. Roca | Proposed Standard | October 2011 |
| 6458 | Sockets API Extensions for the Stream Control Transmission Protocol (SCTP)R. Stewart, M. Tuexen, K. Poon, P. Lei, V. Yasevich | Informational | December 2011 |
| 6525 | Stream Control Transmission Protocol (SCTP) Stream ReconfigurationR. Stewart, M. Tuexen, P. Lei | Proposed Standard | March 2012 |
| 6582 | The NewReno Modification to TCP's Fast Recovery AlgorithmT. Henderson, S. Floyd, A. Gurtov, Y. Nishida | Proposed Standard | April 2012 |
| 6584 | Simple Authentication Schemes for the Asynchronous Layered Coding (ALC) and NACK-Oriented Reliable Multicast (NORM) ProtocolsV. Roca | Proposed Standard | April 2012 |
| 6726 | FLUTE - File Delivery over Unidirectional TransportT. Paila, R. Walsh, M. Luby, V. Roca, R. Lehtonen | Proposed Standard | November 2012 |
| 6773 | DCCP-UDP: A Datagram Congestion Control Protocol UDP Encapsulation for NAT TraversalT. Phelan, G. Fairhurst, C. Perkins | Proposed Standard | November 2012 |
| 6817 | Low Extra Delay Background Transport (LEDBAT)S. Shalunov, G. Hazel, J. Iyengar, M. Kuehlewind | Experimental | December 2012 |
| 6824 | TCP Extensions for Multipath Operation with Multiple AddressesA. Ford, C. Raiciu, M. Handley, O. Bonaventure · obsoleted by RFC 8684 | Experimental | January 2013 |
| 6897 | Multipath TCP (MPTCP) Application Interface ConsiderationsM. Scharf, A. Ford | Informational | March 2013 |
| 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 |
| 6951 | UDP Encapsulation of Stream Control Transmission Protocol (SCTP) Packets for End-Host to End-Host CommunicationM. Tuexen, R. Stewart | Proposed Standard | May 2013 |
| 7053 | SACK-IMMEDIATELY Extension for the Stream Control Transmission ProtocolM. Tuexen, I. Ruengeler, R. Stewart · obsoleted by RFC 9260 | Proposed Standard | November 2013 |
| 7202 | Securing the RTP Framework: Why RTP Does Not Mandate a Single Media Security SolutionC. Perkins, M. Westerlund | Informational | April 2014 |
| 7230 | Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and RoutingR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110, RFC 9112 | Proposed Standard | June 2014 |
| 7231 | Hypertext Transfer Protocol (HTTP/1.1): Semantics and ContentR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7232 | Hypertext Transfer Protocol (HTTP/1.1): Conditional RequestsR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7233 | Hypertext Transfer Protocol (HTTP/1.1): Range RequestsR. Fielding, Ed., Y. Lafon, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7234 | Hypertext Transfer Protocol (HTTP/1.1): CachingR. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. · obsoleted by RFC 9111 | Proposed Standard | June 2014 |
| 7235 | Hypertext Transfer Protocol (HTTP/1.1): AuthenticationR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7301 | Transport Layer Security (TLS) Application-Layer Protocol Negotiation ExtensionS. Friedl, A. Popov, A. Langley, E. Stephan | Proposed Standard | July 2014 |
| 7323 | TCP Extensions for High PerformanceD. Borman, B. Braden, V. Jacobson, R. Scheffenegger, Ed. | Proposed Standard | September 2014 |
| 7414 | A Roadmap for Transmission Control Protocol (TCP) Specification DocumentsM. Duke, R. Braden, W. Eddy, E. Blanton, A. Zimmermann | Informational | February 2015 |
| 7457 | Summarizing Known Attacks on Transport Layer Security (TLS) and Datagram TLS (DTLS)Y. Sheffer, R. Holz, P. Saint-Andre | Informational | February 2015 |
| 7496 | Additional Policies for the Partially Reliable Stream Control Transmission Protocol ExtensionM. Tuexen, R. Seggelmann, R. Stewart, S. Loreto | Proposed Standard | April 2015 |
| 7525 | Recommendations for Secure Use of Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)Y. Sheffer, R. Holz, P. Saint-Andre · obsoleted by RFC 9325 | Best Current Practice | May 2015 |
| 7540 | Hypertext Transfer Protocol Version 2 (HTTP/2)M. Belshe, R. Peon, M. Thomson, Ed. · obsoleted by RFC 9113 | Proposed Standard | May 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 |