| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 1001 | Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts and methodsNetBIOS Working Group in the Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force | Internet Standard | March 1987 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 1123 | Requirements for Internet Hosts - Application and SupportR. Braden, Ed. | Internet Standard | October 1989 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1332 | The PPP Internet Protocol Control Protocol (IPCP)G. McGregor | Proposed Standard | May 1992 |
| 1350 | The TFTP Protocol (Revision 2)K. Sollins | Internet Standard | July 1992 |
| 1661 | The Point-to-Point Protocol (PPP)W. Simpson, Ed. | Internet Standard | July 1994 |
| 1877 | PPP Internet Protocol Control Protocol Extensions for Name Server AddressesS. Cobb | Informational | December 1995 |
| 1958 | Architectural Principles of the InternetB. Carpenter, Ed. | Informational | June 1996 |
| 1981 | Path MTU Discovery for IP version 6J. McCann, S. Deering, J. Mogul · obsoleted by RFC 8201 | Draft Standard | August 1996 |
| 2131 | Dynamic Host Configuration ProtocolR. Droms | Draft Standard | March 1997 |
| 2608 | Service Location Protocol, Version 2E. Guttman, C. Perkins, J. Veizades, M. Day | Proposed Standard | June 1999 |
| 2923 | TCP Problems with Path MTU DiscoveryK. Lahey | Informational | September 2000 |
| 3118 | Authentication for DHCP MessagesR. Droms, Ed., W. Arbaugh, Ed. | Proposed Standard | June 2001 |
| 3315 | Dynamic Host Configuration Protocol for IPv6 (DHCPv6)R. Droms, Ed., J. Bound, B. Volz, T. Lemon, C. Perkins, M. Carney · obsoleted by RFC 8415 | Proposed Standard | July 2003 |
| 3344 | IP Mobility Support for IPv4C. Perkins, Ed. · obsoleted by RFC 5944 | Proposed Standard | August 2002 |
| 3397 | Dynamic Host Configuration Protocol (DHCP) Domain Search OptionB. Aboba, S. Cheshire | Proposed Standard | November 2002 |
| 3456 | Dynamic Host Configuration Protocol (DHCPv4) Configuration of IPsec Tunnel ModeB. Patel, B. Aboba, S. Kelly, V. Gupta | Proposed Standard | January 2003 |
| 3530 | Network File System (NFS) version 4 ProtocolS. Shepler, B. Callaghan, D. Robinson, R. Thurlow, C. Beame, M. Eisler, D. Noveck · obsoleted by RFC 7530 | Proposed Standard | April 2003 |
| 3720 | Internet Small Computer Systems Interface (iSCSI)J. Satran, K. Meth, C. Sapuntzakis, M. Chadalapaka, E. Zeidner · obsoleted by RFC 7143 | Proposed Standard | April 2004 |
| 3736 | Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6R. Droms · obsoleted by RFC 8415 | Proposed Standard | April 2004 |
| 3748 | Extensible Authentication Protocol (EAP)B. Aboba, L. Blunk, J. Vollbrecht, J. Carlson, H. Levkowetz, Ed. | Proposed Standard | June 2004 |
| 3756 | IPv6 Neighbor Discovery (ND) Trust Models and ThreatsP. Nikander, Ed., J. Kempf, E. Nordmark | Informational | May 2004 |
| 3775 | Mobility Support in IPv6D. Johnson, C. Perkins, J. Arkko · obsoleted by RFC 6275 | Proposed Standard | June 2004 |
| 3818 | IANA Considerations for the Point-to-Point Protocol (PPP)V. Schryver | Best Current Practice | June 2004 |
| 3832 | Remote Service Discovery in the Service Location Protocol (SLP) via DNS SRVW. Zhao, H. Schulzrinne, E. Guttman, C. Bisdikian, W. Jerome | Experimental | July 2004 |
| 3898 | Network Information Service (NIS) Configuration Options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)V. Kalusivalingam | Proposed Standard | October 2004 |
| 3927 | Dynamic Configuration of IPv4 Link-Local AddressesS. Cheshire, B. Aboba, E. Guttman | Proposed Standard | May 2005 |
| 3971 | SEcure Neighbor Discovery (SEND)J. Arkko, Ed., J. Kempf, B. Zill, P. Nikander | Proposed Standard | March 2005 |
| 3972 | Cryptographically Generated Addresses (CGA)T. Aura | Proposed Standard | March 2005 |
| 4171 | Internet Storage Name Service (iSNS)J. Tseng, K. Gibbons, F. Travostino, C. Du Laney, J. Souza | Proposed Standard | September 2005 |
| 4173 | Bootstrapping Clients using the Internet Small Computer System Interface (iSCSI) ProtocolP. Sarkar, D. Missimer, C. Sapuntzakis | Proposed Standard | September 2005 |
| 4174 | The IPv4 Dynamic Host Configuration Protocol (DHCP) Option for the Internet Storage Name ServiceC. Monia, J. Tseng, K. Gibbons | Proposed Standard | September 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4306 | Internet Key Exchange (IKEv2) ProtocolC. Kaufman, Ed. · obsoleted by RFC 5996 | Proposed Standard | December 2005 |
| 4339 | IPv6 Host Configuration of DNS Server Information ApproachesJ. Jeong, Ed. | Informational | February 2006 |
| 4477 | Dynamic Host Configuration Protocol (DHCP): IPv4 and IPv6 Dual-Stack IssuesT. Chown, S. Venaas, C. Strauf | Informational | May 2006 |
| 4578 | Dynamic Host Configuration Protocol (DHCP) Options for the Intel Preboot eXecution Environment (PXE)M. Johnston, S. Venaas, Ed. | Informational | November 2006 |
| 4795 | Link-local Multicast Name Resolution (LLMNR)B. Aboba, D. Thaler, L. Esibov | Informational | January 2007 |
| 4821 | Packetization Layer Path MTU DiscoveryM. Mathis, J. Heffner | Proposed Standard | March 2007 |
| 4862 | IPv6 Stateless Address AutoconfigurationS. Thomson, T. Narten, T. Jinmei | Draft Standard | September 2007 |
| 4941 | Privacy Extensions for Stateless Address Autoconfiguration in IPv6T. Narten, R. Draves, S. Krishnan · obsoleted by RFC 8981 | Draft Standard | September 2007 |
| 5072 | IP Version 6 over PPPS. Varada, Ed., D. Haskins, E. Allen | Draft Standard | September 2007 |
| 5246 | The Transport Layer Security (TLS) Protocol Version 1.2T. Dierks, E. Rescorla · obsoleted by RFC 8446, RFC 9846 | Proposed Standard | August 2008 |