| 792 | Internet Control Message ProtocolJ. Postel | Internet Standard | September 1981 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 896 | Congestion Control in IP/TCP InternetworksJ. Nagle · obsoleted by RFC 7805 | Historic | January 1984 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 2018 | TCP Selective Acknowledgment OptionsM. Mathis, J. Mahdavi, S. Floyd, A. Romanow | Proposed Standard | October 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2401 | Security Architecture for the Internet ProtocolS. Kent, R. Atkinson · obsoleted by RFC 4301 | Proposed Standard | November 1998 |
| 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 |
| 3723 | Securing Block Storage Protocols over IPB. Aboba, J. Tseng, J. Walker, V. Rangan, F. Travostino | Proposed Standard | April 2004 |
| 4296 | The Architecture of Direct Data Placement (DDP) and Remote Direct Memory Access (RDMA) on Internet ProtocolsS. Bailey, T. Talpey | Informational | December 2005 |
| 4297 | Remote Direct Memory Access (RDMA) over IP Problem StatementA. Romanow, J. Mogul, T. Talpey, S. Bailey | Informational | December 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 5040 | A Remote Direct Memory Access Protocol SpecificationR. Recio, B. Metzler, P. Culley, J. Hilland, D. Garcia | Proposed Standard | October 2007 |
| 5041 | Direct Data Placement over Reliable TransportsH. Shah, J. Pinkerton, R. Recio, P. Culley | Proposed Standard | October 2007 |
| 5042 | Direct Data Placement Protocol (DDP) / Remote Direct Memory Access Protocol (RDMAP) SecurityJ. Pinkerton, E. Deleganes | Proposed Standard | October 2007 |
| 5045 | Applicability of Remote Direct Memory Access Protocol (RDMA) and Direct Data Placement (DDP)C. Bestler, Ed., L. Coene | Informational | October 2007 |
| 5046 | Internet Small Computer System Interface (iSCSI) Extensions for Remote Direct Memory Access (RDMA)M. Ko, M. Chadalapaka, J. Hufferd, U. Elzur, H. Shah, P. Thaler · obsoleted by RFC 7145 | Proposed Standard | October 2007 |