| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 919 | Broadcasting Internet DatagramsJ.C. Mogul | Internet Standard | October 1984 |
| 1112 | Host extensions for IP multicastingS.E. Deering | Internet Standard | August 1989 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1536 | Common DNS Implementation Errors and Suggested FixesA. Kumar, J. Postel, C. Neuman, P. Danzig, S. Miller | Informational | October 1993 |
| 1546 | Host Anycasting ServiceC. Partridge, T. Mendez, W. Milliken | Informational | November 1993 |
| 1981 | Path MTU Discovery for IP version 6J. McCann, S. Deering, J. Mogul · obsoleted by RFC 8201 | Draft Standard | August 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2309 | Recommendations on Queue Management and Congestion Avoidance in the InternetB. Braden, D. Clark, J. Crowcroft, B. Davie, S. Deering, D. Estrin, S. Floyd, V. Jacobson, G. Minshall, C. Partridge, L. Peterson, K. Ramakrishnan, S. Shenker, J. Wroclawski, L. Zhang · obsoleted by RFC 7567 | Informational | April 1998 |
| 2460 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 8200 | Draft Standard | December 1998 |
| 2475 | An Architecture for Differentiated ServicesS. Blake, D. Black, M. Carlson, E. Davies, Z. Wang, W. Weiss | Informational | December 1998 |
| 2675 | IPv6 JumbogramsD. Borman, S. Deering, R. Hinden | Proposed Standard | August 1999 |
| 2743 | Generic Security Service Application Program Interface Version 2, Update 1J. Linn | Proposed Standard | January 2000 |
| 2887 | The Reliable Multicast Design Space for Bulk Data TransferM. Handley, S. Floyd, B. Whetten, R. Kermode, L. Vicisano, M. Luby | Informational | August 2000 |
| 2914 | Congestion Control PrinciplesS. Floyd | Best Current Practice | September 2000 |
| 2983 | Differentiated Services and TunnelsD. Black | Informational | October 2000 |
| 3048 | Reliable Multicast Transport Building Blocks for One-to-Many Bulk-Data TransferB. Whetten, L. Vicisano, R. Kermode, M. Handley, S. Floyd, M. Luby | Informational | January 2001 |
| 3124 | The Congestion ManagerH. Balakrishnan, S. Seshan | Proposed Standard | June 2001 |
| 3168 | The Addition of Explicit Congestion Notification (ECN) to IPK. Ramakrishnan, S. Floyd, D. Black | Proposed Standard | September 2001 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |
| 3303 | Middlebox communication architecture and frameworkP. Srisuresh, J. Kuthan, J. Rosenberg, A. Molitor, A. Rayhan | Informational | August 2002 |
| 3493 | Basic Socket Interface Extensions for IPv6R. Gilligan, S. Thomson, J. Bound, J. McCann, W. Stevens | Informational | March 2003 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3551 | RTP Profile for Audio and Video Conferences with Minimal ControlH. Schulzrinne, S. Casner | 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 |
| 3819 | Advice for Internet Subnetwork DesignersP. Karn, Ed., C. Bormann, G. Fairhurst, D. Grossman, R. Ludwig, J. Mahdavi, G. Montenegro, J. Touch, L. Wood | Best Current Practice | July 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 |
| 4302 | IP Authentication HeaderS. Kent | Proposed Standard | December 2005 |
| 4303 | IP Encapsulating Security Payload (ESP)S. Kent | Proposed Standard | December 2005 |
| 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 |
| 4380 | Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)C. Huitema | Proposed Standard | February 2006 |
| 4607 | Source-Specific Multicast for IPH. Holbrook, B. Cain | Proposed Standard | August 2006 |
| 4654 | TCP-Friendly Multicast Congestion Control (TFMCC): Protocol SpecificationJ. Widmer, M. Handley | Experimental | August 2006 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 4821 | Packetization Layer Path MTU DiscoveryM. Mathis, J. Heffner | Proposed Standard | March 2007 |
| 4880 | OpenPGP Message FormatJ. Callas, L. Donnerhacke, H. Finney, D. Shaw, R. Thayer · obsoleted by RFC 9580 | Proposed Standard | November 2007 |
| 4890 | Recommendations for Filtering ICMPv6 Messages in FirewallsE. Davies, J. Mohacsi | Informational | May 2007 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 4963 | IPv4 Reassembly Errors at High Data RatesJ. Heffner, M. Mathis, B. Chandler | Informational | July 2007 |
| 4987 | TCP SYN Flooding Attacks and Common MitigationsW. Eddy | Informational | August 2007 |
| 5082 | The Generalized TTL Security Mechanism (GTSM)V. Gill, J. Heasley, D. Meyer, P. Savola, Ed., C. Pignataro | Proposed Standard | October 2007 |
| 5245 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer ProtocolsJ. Rosenberg · obsoleted by RFC 8445, RFC 8839 | Proposed Standard | April 2010 |
| 5348 | TCP Friendly Rate Control (TFRC): Protocol SpecificationS. Floyd, M. Handley, J. Padhye, J. Widmer | Proposed Standard | September 2008 |
| 5405 | Unicast UDP Usage Guidelines for Application DesignersL. Eggert, G. Fairhurst · obsoleted by RFC 8085 | Best Current Practice | November 2008 |
| 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 |
| 5652 | Cryptographic Message Syntax (CMS)R. Housley | Internet Standard | September 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 |
| 5751 | Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message SpecificationB. Ramsdell, S. Turner · obsoleted by RFC 8551 | Proposed Standard | January 2010 |
| 5775 | Asynchronous Layered Coding (ALC) Protocol InstantiationM. Luby, M. Watson, L. Vicisano | Proposed Standard | April 2010 |
| 5971 | GIST: General Internet Signalling TransportH. Schulzrinne, R. Hancock | Experimental | October 2010 |
| 5973 | NAT/Firewall NSIS Signaling Layer Protocol (NSLP)M. Stiemerling, H. Tschofenig, C. Aoun, E. Davies | Experimental | October 2010 |
| 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 |
| 6092 | Recommended Simple Security Capabilities in Customer Premises Equipment (CPE) for Providing Residential IPv6 Internet ServiceJ. Woodyatt, Ed. | Informational | January 2011 |
| 6298 | Computing TCP's Retransmission TimerV. Paxson, M. Allman, J. Chu, M. Sargent | Proposed Standard | June 2011 |
| 6335 | Internet Assigned Numbers Authority (IANA) Procedures for the Management of the Service Name and Transport Protocol Port Number RegistryM. Cotton, L. Eggert, J. Touch, M. Westerlund, S. Cheshire | Best Current Practice | August 2011 |
| 6347 | Datagram Transport Layer Security Version 1.2E. Rescorla, N. Modadugu · obsoleted by RFC 9147 | Proposed Standard | January 2012 |
| 6396 | Multi-Threaded Routing Toolkit (MRT) Routing Information Export FormatL. Blunk, M. Karir, C. Labovitz | Proposed Standard | October 2011 |
| 6437 | IPv6 Flow Label SpecificationS. Amante, B. Carpenter, S. Jiang, J. Rajahalme | Proposed Standard | November 2011 |
| 6438 | Using the IPv6 Flow Label for Equal Cost Multipath Routing and Link Aggregation in TunnelsB. Carpenter, S. Amante | Proposed Standard | November 2011 |
| 6513 | Multicast in MPLS/BGP IP VPNsE. Rosen, Ed., R. Aggarwal, Ed. | Proposed Standard | February 2012 |
| 6679 | Explicit Congestion Notification (ECN) for RTP over UDPM. Westerlund, I. Johansson, C. Perkins, P. O'Hanlon, K. Carlberg | Proposed Standard | August 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 |
| 6807 | Population Count Extensions to Protocol Independent Multicast (PIM)D. Farinacci, G. Shepherd, S. Venaas, Y. Cai | Experimental | December 2012 |
| 6887 | Port Control Protocol (PCP)D. Wing, Ed., S. Cheshire, M. Boucadair, R. Penno, P. Selkirk | Proposed Standard | April 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 |
| 7143 | Internet Small Computer System Interface (iSCSI) Protocol (Consolidated)M. Chadalapaka, J. Satran, K. Meth, D. Black | Proposed Standard | April 2014 |
| 7201 | Options for Securing RTP SessionsM. Westerlund, C. Perkins | Informational | April 2014 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 7450 | Automatic Multicast TunnelingG. Bumgardner | Proposed Standard | February 2015 |
| 7510 | Encapsulating MPLS in UDPX. Xu, N. Sheth, L. Yong, R. Callon, D. Black | 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 |
| 7560 | Problem Statement and Requirements for Increased Accuracy in Explicit Congestion Notification (ECN) FeedbackM. Kuehlewind, Ed., R. Scheffenegger, B. Briscoe | Informational | August 2015 |
| 7567 | IETF Recommendations Regarding Active Queue ManagementF. Baker, Ed., G. Fairhurst, Ed. | Best Current Practice | July 2015 |
| 7605 | Recommendations on Using Assigned Transport Port NumbersJ. Touch | Best Current Practice | August 2015 |
| 7657 | Differentiated Services (Diffserv) and Real-Time CommunicationD. Black, Ed., P. Jones | Informational | November 2015 |
| 7675 | Session Traversal Utilities for NAT (STUN) Usage for Consent FreshnessM. Perumal, D. Wing, R. Ravindranath, T. Reddy, M. Thomson | Proposed Standard | October 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8083 | Multimedia Congestion Control: Circuit Breakers for Unicast RTP SessionsC. Perkins, V. Singh | Proposed Standard | March 2017 |
| 8084 | Network Transport Circuit BreakersG. Fairhurst | Best Current Practice | March 2017 |
| 8086 | GRE-in-UDP EncapsulationL. Yong, Ed., E. Crabbe, X. Xu, T. Herbert | Proposed Standard | March 2017 |
| 8087 | The Benefits of Using Explicit Congestion Notification (ECN)G. Fairhurst, M. Welzl | Informational | March 2017 |