| 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 |
| 2404 | The Use of HMAC-SHA-1-96 within ESP and AHC. Madson, R. Glenn | Proposed Standard | November 1998 |
| 2406 | IP Encapsulating Security Payload (ESP)S. Kent, R. Atkinson · obsoleted by RFC 4303, RFC 4305 | Proposed Standard | November 1998 |
| 2407 | The Internet IP Security Domain of Interpretation for ISAKMPD. Piper · obsoleted by RFC 4306 | Historic | November 1998 |
| 2409 | The Internet Key Exchange (IKE)D. Harkins, D. Carrel · obsoleted by RFC 4306 | Historic | November 1998 |
| 2410 | The NULL Encryption Algorithm and Its Use With IPsecR. Glenn, S. Kent | Proposed Standard | November 1998 |
| 2451 | The ESP CBC-Mode Cipher AlgorithmsR. Pereira, R. Adams | Proposed Standard | November 1998 |
| 3566 | The AES-XCBC-MAC-96 Algorithm and Its Use With IPsecS. Frankel, H. Herbert | Proposed Standard | September 2003 |
| 3602 | The AES-CBC Cipher Algorithm and Its Use with IPsecS. Frankel, R. Glenn, S. Kelly | Proposed Standard | September 2003 |
| 3686 | Using Advanced Encryption Standard (AES) Counter Mode With IPsec Encapsulating Security Payload (ESP)R. Housley | Proposed Standard | January 2004 |
| 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 |
| 3721 | Internet Small Computer Systems Interface (iSCSI) Naming and DiscoveryM. Bakke, J. Hafner, J. Hufferd, K. Voruganti, M. Krueger | Informational | April 2004 |
| 3723 | Securing Block Storage Protocols over IPB. Aboba, J. Tseng, J. Walker, V. Rangan, F. Travostino | Proposed Standard | April 2004 |
| 3821 | Fibre Channel Over TCP/IP (FCIP)M. Rajagopal, E. Rodriguez, R. Weber | Proposed Standard | July 2004 |
| 3822 | Finding Fibre Channel over TCP/IP (FCIP) Entities Using Service Location Protocol version 2 (SLPv2)D. Peterson | Proposed Standard | July 2004 |
| 3947 | Negotiation of NAT-Traversal in the IKET. Kivinen, B. Swander, A. Huttunen, V. Volpe | Proposed Standard | January 2005 |
| 4018 | Finding Internet Small Computer Systems Interface (iSCSI) Targets and Name Servers by Using Service Location Protocol version 2 (SLPv2)M. Bakke, J. Hufferd, K. Voruganti, M. Krueger, T. Sperry | Proposed Standard | May 2005 |
| 4106 | The Use of Galois/Counter Mode (GCM) in IPsec Encapsulating Security Payload (ESP)J. Viega, D. McGrew | Proposed Standard | June 2005 |
| 4109 | Algorithms for Internet Key Exchange version 1 (IKEv1)P. Hoffman | Proposed Standard | May 2005 |
| 4172 | iFCP - A Protocol for Internet Fibre Channel Storage NetworkingC. Monia, R. Mullendore, F. Travostino, W. Jeong, M. Edwards | 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 |
| 4303 | IP Encapsulating Security Payload (ESP)S. Kent | Proposed Standard | December 2005 |
| 4304 | Extended Sequence Number (ESN) Addendum to IPsec Domain of Interpretation (DOI) for Internet Security Association and Key Management Protocol (ISAKMP)S. Kent | Proposed Standard | December 2005 |
| 4307 | Cryptographic Algorithms for Use in the Internet Key Exchange Version 2 (IKEv2)J. Schiller · obsoleted by RFC 8247 | Proposed Standard | December 2005 |
| 4543 | The Use of Galois Message Authentication Code (GMAC) in IPsec ESP and AHD. McGrew, J. Viega | Proposed Standard | May 2006 |
| 4806 | Online Certificate Status Protocol (OCSP) Extensions to IKEv2M. Myers, H. Tschofenig | Proposed Standard | February 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 |
| 5043 | Stream Control Transmission Protocol (SCTP) Direct Data Placement (DDP) AdaptationC. Bestler, Ed., R. Stewart, Ed. | Proposed Standard | October 2007 |
| 5044 | Marker PDU Aligned Framing for TCP SpecificationP. Culley, U. Elzur, R. Recio, S. Bailey, J. Carrier | 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 |
| 5047 | DA: Datamover Architecture for the Internet Small Computer System Interface (iSCSI)M. Chadalapaka, J. Hufferd, J. Satran, H. Shah | Informational | October 2007 |
| 5048 | Internet Small Computer System Interface (iSCSI) Corrections and ClarificationsM. Chadalapaka, Ed. · obsoleted by RFC 7143 | Proposed Standard | October 2007 |
| 5282 | Using Authenticated Encryption Algorithms with the Encrypted Payload of the Internet Key Exchange version 2 (IKEv2) ProtocolD. Black, D. McGrew | Proposed Standard | August 2008 |
| 5387 | Problem and Applicability Statement for Better-Than-Nothing Security (BTNS)J. Touch, D. Black, Y. Wang | Informational | November 2008 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5996 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen · obsoleted by RFC 7296 | Proposed Standard | September 2010 |
| 6960 | X.509 Internet Public Key Infrastructure Online Certificate Status Protocol - OCSPS. Santesson, M. Myers, R. Ankney, A. Malpani, S. Galperin, C. Adams | Proposed Standard | June 2013 |
| 7143 | Internet Small Computer System Interface (iSCSI) Protocol (Consolidated)M. Chadalapaka, J. Satran, K. Meth, D. Black | Proposed Standard | April 2014 |
| 7145 | Internet Small Computer System Interface (iSCSI) Extensions for the Remote Direct Memory Access (RDMA) SpecificationM. Ko, A. Nezhinsky | Proposed Standard | April 2014 |