| 9233 | Internationalized Domain Names for Applications 2008 (IDNA2008) and Unicode 12.0.0P. Fältström | Proposed Standard | March 2022 |
| 8881 | Network File System (NFS) Version 4 Minor Version 1 ProtocolD. Noveck, Ed., C. Lever | Proposed Standard | August 2020 |
| 8753 | Internationalized Domain Names for Applications (IDNA) Review for New Unicode VersionsJ. Klensin, P. Fältström | Proposed Standard | April 2020 |
| 8489 | Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D. Wing, R. Mahy, P. Matthews | Proposed Standard | February 2020 |
| 8265 | Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and PasswordsP. Saint-Andre, A. Melnikov | Proposed Standard | October 2017 |
| 8264 | PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application ProtocolsP. Saint-Andre, M. Blanchet | Proposed Standard | October 2017 |
| 8146 | Adding Support for Salted Password Databases to EAP-pwdD. Harkins | Informational | April 2017 |
| 7790 | Mapping Characters for Classes of the Preparation, Enforcement, and Comparison of Internationalized Strings (PRECIS)Y. Yoneya, T. Nemoto | Informational | February 2016 |
| 7622 | Extensible Messaging and Presence Protocol (XMPP): Address FormatP. Saint-Andre | Proposed Standard | September 2015 |
| 7613 | Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and PasswordsP. Saint-Andre, A. Melnikov · obsoleted by RFC 8265 | Proposed Standard | August 2015 |
| 7564 | PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application ProtocolsP. Saint-Andre, M. Blanchet · obsoleted by RFC 8264 | Proposed Standard | May 2015 |
| 7247 | Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Architecture, Addresses, and Error HandlingP. Saint-Andre, A. Houri, J. Hildebrand | Proposed Standard | May 2014 |
| 7155 | Diameter Network Access Server ApplicationG. Zorn, Ed. | Proposed Standard | April 2014 |
| 7143 | Internet Small Computer System Interface (iSCSI) Protocol (Consolidated)M. Chadalapaka, J. Satran, K. Meth, D. Black | Proposed Standard | April 2014 |
| 6885 | Stringprep Revision and Problem Statement for the Preparation and Comparison of Internationalized Strings (PRECIS)M. Blanchet, A. Sullivan | Informational | March 2013 |
| 6856 | Post Office Protocol Version 3 (POP3) Support for UTF-8R. Gellens, C. Newman, J. Yao, K. Fujiwara | Proposed Standard | March 2013 |
| 6631 | Password Authenticated Connection Establishment with the Internet Key Exchange Protocol version 2 (IKEv2)D. Kuegler, Y. Sheffer | Experimental | June 2012 |
| 6628 | Efficient Augmented Password-Only Authentication and Key Exchange for IKEv2S. Shin, K. Kobara | Experimental | June 2012 |
| 6617 | Secure Pre-Shared Key (PSK) Authentication for the Internet Key Exchange Protocol (IKE)D. Harkins | Experimental | June 2012 |
| 6365 | Terminology Used in Internationalization in the IETFP. Hoffman, J. Klensin | Best Current Practice | September 2011 |
| 6124 | An EAP Authentication Method Based on the Encrypted Key Exchange (EKE) ProtocolY. Sheffer, G. Zorn, H. Tschofenig, S. Fluhrer | Informational | February 2011 |
| 6122 | Extensible Messaging and Presence Protocol (XMPP): Address FormatP. Saint-Andre · obsoleted by RFC 7622 | Proposed Standard | March 2011 |
| 5931 | Extensible Authentication Protocol (EAP) Authentication Using Only a PasswordD. Harkins, G. Zorn | Informational | August 2010 |
| 5894 | Internationalized Domain Names for Applications (IDNA): Background, Explanation, and RationaleJ. Klensin | Informational | August 2010 |
| 5893 | Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)H. Alvestrand, Ed., C. Karp | Proposed Standard | August 2010 |
| 5892 | The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)P. Faltstrom, Ed. | Proposed Standard | August 2010 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 5804 | A Protocol for Remotely Managing Sieve ScriptsA. Melnikov, Ed., T. Martin | Proposed Standard | July 2010 |
| 5802 | Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API MechanismsC. Newman, A. Menon-Sen, A. Melnikov, N. Williams | Proposed Standard | July 2010 |
| 5661 | Network File System (NFS) Version 4 Minor Version 1 ProtocolS. Shepler, Ed., M. Eisler, Ed., D. Noveck, Ed. · obsoleted by RFC 8881 | Proposed Standard | January 2010 |
| 5456 | IAX: Inter-Asterisk eXchange Version 2M. Spencer, B. Capouch, E. Guy, Ed., F. Miller, K. Shumard | Informational | February 2010 |
| 5280 | Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileD. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk | Proposed Standard | May 2008 |
| 5198 | Unicode Format for Network InterchangeJ. Klensin, M. Padlipsky | Proposed Standard | March 2008 |
| 5122 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre | Proposed Standard | February 2008 |
| 5054 | Using the Secure Remote Password (SRP) Protocol for TLS AuthenticationD. Taylor, T. Wu, N. Mavrogiannopoulos, T. Perrin | Informational | November 2007 |
| 5034 | The Post Office Protocol (POP3) Simple Authentication and Security Layer (SASL) Authentication MechanismR. Siemborski, A. Menon-Sen | Proposed Standard | July 2007 |
| 4954 | SMTP Service Extension for AuthenticationR. Siemborski, Ed., A. Melnikov, Ed. | Proposed Standard | July 2007 |
| 4790 | Internet Application Protocol Collation RegistryC. Newman, M. Duerst, A. Gulbrandsen | Proposed Standard | March 2007 |
| 4690 | Review and Recommendations for Internationalized Domain Names (IDNs)J. Klensin, P. Faltstrom, C. Karp, IAB | Informational | September 2006 |
| 4683 | Internet X.509 Public Key Infrastructure Subject Identification Method (SIM)J. Park, J. Lee, H. Lee, S. Park, T. Polk | Proposed Standard | October 2006 |
| 4643 | Network News Transfer Protocol (NNTP) Extension for AuthenticationJ. Vinocur, K. Murchison | Proposed Standard | October 2006 |
| 4622 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre · obsoleted by RFC 5122 | Proposed Standard | August 2006 |
| 4616 | The PLAIN Simple Authentication and Security Layer (SASL) MechanismK. Zeilenga, Ed. | Proposed Standard | August 2006 |
| 4518 | Lightweight Directory Access Protocol (LDAP): Internationalized String PreparationK. Zeilenga | Proposed Standard | June 2006 |
| 4513 | Lightweight Directory Access Protocol (LDAP): Authentication Methods and Security MechanismsR. Harrison, Ed. | Proposed Standard | June 2006 |
| 4511 | Lightweight Directory Access Protocol (LDAP): The ProtocolJ. Sermersheim, Ed. | Proposed Standard | June 2006 |
| 4505 | Anonymous Simple Authentication and Security Layer (SASL) MechanismK. Zeilenga | Proposed Standard | June 2006 |
| 4422 | Simple Authentication and Security Layer (SASL)A. Melnikov, Ed., K. Zeilenga, Ed. | Proposed Standard | June 2006 |
| 4343 | Domain Name System (DNS) Case Insensitivity ClarificationD. Eastlake 3rd | Proposed Standard | January 2006 |
| 4314 | IMAP4 Access Control List (ACL) ExtensionA. Melnikov | Proposed Standard | December 2005 |
| 4279 | Pre-Shared Key Ciphersuites for Transport Layer Security (TLS)P. Eronen, Ed., H. Tschofenig, Ed. | Proposed Standard | December 2005 |
| 4185 | National and Local Characters for DNS Top Level Domain (TLD) NamesJ. Klensin | Informational | October 2005 |
| 4013 | SASLprep: Stringprep Profile for User Names and PasswordsK. Zeilenga · obsoleted by RFC 7613 | Proposed Standard | March 2005 |
| 4011 | Policy Based Management MIBS. Waldbusser, J. Saperia, T. Hongal | Proposed Standard | March 2005 |
| 3922 | Mapping the Extensible Messaging and Presence Protocol (XMPP) to Common Presence and Instant Messaging (CPIM)P. Saint-Andre | Proposed Standard | October 2004 |
| 3920 | Extensible Messaging and Presence Protocol (XMPP): CoreP. Saint-Andre, Ed. · obsoleted by RFC 6120 | Proposed Standard | October 2004 |
| 3748 | Extensible Authentication Protocol (EAP)B. Aboba, L. Blunk, J. Vollbrecht, J. Carlson, H. Levkowetz, Ed. | Proposed Standard | June 2004 |
| 3743 | Joint Engineering Team (JET) Guidelines for Internationalized Domain Names (IDN) Registration and Administration for Chinese, Japanese, and KoreanK. Konishi, K. Huang, H. Qian, Y. Ko | Informational | April 2004 |
| 3722 | String Profile for Internet Small Computer Systems Interface (iSCSI) NamesM. Bakke | Proposed Standard | April 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 |
| 3553 | An IETF URN Sub-namespace for Registered Protocol ParametersM. Mealling, L. Masinter, T. Hardie, G. Klyne | Best Current Practice | June 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 |
| 3491 | Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN)P. Hoffman, M. Blanchet · obsoleted by RFC 5891 | Proposed Standard | March 2003 |
| 3490 | Internationalizing Domain Names in Applications (IDNA)P. Faltstrom, P. Hoffman, A. Costello · obsoleted by RFC 5890, RFC 5891 | Proposed Standard | March 2003 |
| 3467 | Role of the Domain Name System (DNS)J. Klensin | Informational | March 2003 |