| 3961 | Encryption and Checksum Specifications for Kerberos 5K. Raeburn | Proposed Standard | February 2005 |
| 3962 | Advanced Encryption Standard (AES) Encryption for Kerberos 5K. Raeburn | Proposed Standard | February 2005 |
| 3963 | Network Mobility (NEMO) Basic Support ProtocolV. Devarapalli, R. Wakikawa, A. Petrescu, P. Thubert | Proposed Standard | January 2005 |
| 3964 | Security Considerations for 6to4P. Savola, C. Patel | Informational | December 2004 |
| 3965 | A Simple Mode of Facsimile Using Internet MailK. Toyoda, H. Ohno, J. Murai, D. Wing | Draft Standard | December 2004 |
| 3966 | The tel URI for Telephone NumbersH. Schulzrinne | Proposed Standard | December 2004 |
| 3967 | Clarifying when Standards Track Documents may Refer Normatively to Documents at a Lower LevelR. Bush, T. Narten | Best Current Practice | January 2005 |
| 3968 | The Internet Assigned Number Authority (IANA) Header Field Parameter Registry for the Session Initiation Protocol (SIP)G. Camarillo | Best Current Practice | December 2004 |
| 3969 | The Internet Assigned Number Authority (IANA) Uniform Resource Identifier (URI) Parameter Registry for the Session Initiation Protocol (SIP)G. Camarillo | Best Current Practice | December 2004 |
| 3970 | A Traffic Engineering (TE) MIBK. Kompella | Proposed Standard | January 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 |
| 3973 | Protocol Independent Multicast - Dense Mode (PIM-DM): Protocol Specification (Revised)A. Adams, J. Nicholas, W. Siadak | Experimental | January 2005 |
| 3974 | SMTP Operational Experience in Mixed IPv4/v6 EnvironmentsM. Nakamura, J. Hagino | Informational | January 2005 |
| 3975 | OMA-IETF Standardization CollaborationG. Huston, Ed., I. Leuca, Ed. | Informational | February 2005 |
| 3976 | Interworking SIP and Intelligent Network (IN) ApplicationsV. K. Gurbani, F. Haerens, V. Rastogi | Informational | January 2005 |
| 3977 | Network News Transfer Protocol (NNTP)C. Feather | Proposed Standard | October 2006 |
| 3978 | IETF Rights in ContributionsS. Bradner, Ed. · obsoleted by RFC 5378 | Best Current Practice | March 2005 |
| 3979 | Intellectual Property Rights in IETF TechnologyS. Bradner, Ed. · obsoleted by RFC 8179 | Best Current Practice | March 2005 |
| 3980 | T11 Network Address Authority (NAA) Naming Format for iSCSI Node NamesM. Krueger, M. Chadalapaka, R. Elliott · obsoleted by RFC 7143 | Proposed Standard | February 2005 |
| 3981 | IRIS: The Internet Registry Information Service (IRIS) Core ProtocolA. Newton, M. Sanz | Proposed Standard | January 2005 |
| 3982 | IRIS: A Domain Registry (dreg) Type for the Internet Registry Information Service (IRIS)A. Newton, M. Sanz | Proposed Standard | January 2005 |
| 3983 | Using the Internet Registry Information Service (IRIS) over the Blocks Extensible Exchange Protocol (BEEP)A. Newton, M. Sanz | Proposed Standard | January 2005 |
| 3984 | RTP Payload Format for H.264 VideoS. Wenger, M.M. Hannuksela, T. Stockhammer, M. Westerlund, D. Singer · obsoleted by RFC 6184 | Proposed Standard | February 2005 |
| 3985 | Pseudo Wire Emulation Edge-to-Edge (PWE3) ArchitectureS. Bryant, Ed., P. Pate, Ed. | Informational | March 2005 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 3987 | Internationalized Resource Identifiers (IRIs)M. Duerst, M. Suignard | Proposed Standard | January 2005 |
| 3988 | Maximum Transmission Unit Signalling Extensions for the Label Distribution ProtocolB. Black, K. Kompella | Experimental | February 2005 |
| 3989 | Middlebox Communications (MIDCOM) Protocol SemanticsM. Stiemerling, J. Quittek, T. Taylor · obsoleted by RFC 5189 | Informational | February 2005 |
| 3990 | Configuration and Provisioning for Wireless Access Points (CAPWAP) Problem StatementB. O'Hara, P. Calhoun, J. Kempf | Informational | February 2005 |
| 3991 | Media Gateway Control Protocol (MGCP) Redirect and Reset PackageB. Foster, F. Andreasen | Informational | February 2005 |
| 3992 | Media Gateway Control Protocol (MGCP) Lockstep State Reporting MechanismB. Foster, F. Andreasen | Informational | February 2005 |
| 3993 | Subscriber-ID Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent OptionR. Johnson, T. Palaniappan, M. Stapp | Proposed Standard | March 2005 |
| 3994 | Indication of Message Composition for Instant MessagingH. Schulzrinne | Proposed Standard | February 2005 |
| 3995 | Internet Printing Protocol (IPP): Event Notifications and SubscriptionsR. Herriot, T. Hastings | Proposed Standard | March 2005 |
| 3996 | Internet Printing Protocol (IPP): The 'ippget' Delivery Method for Event NotificationsR. Herriot, T. Hastings, H. Lewis | Proposed Standard | March 2005 |
| 3997 | Internet Printing Protocol (IPP): Requirements for IPP NotificationsT. Hastings, Ed., R. K. deBry, H. Lewis | Informational | March 2005 |
| 3998 | Internet Printing Protocol (IPP): Job and Printer Administrative OperationsC. Kugler, H. Lewis, T. Hastings, Ed. | Proposed Standard | March 2005 |
| 4001 | Textual Conventions for Internet Network AddressesM. Daniele, B. Haberman, S. Routhier, J. Schoenwaelder | Proposed Standard | March 2005 |
| 4002 | IANA Registration for Enumservice 'web' and 'ft'R. Brandner, L. Conroy, R. Stastny | Proposed Standard | February 2005 |
| 4003 | GMPLS Signaling Procedure for Egress ControlL. Berger | Proposed Standard | February 2005 |
| 4004 | Diameter Mobile IPv4 ApplicationP. Calhoun, T. Johansson, C. Perkins, T. Hiller, Ed., P. McCann | Proposed Standard | August 2005 |
| 4005 | Diameter Network Access Server ApplicationP. Calhoun, G. Zorn, D. Spence, D. Mitton · obsoleted by RFC 7155 | Proposed Standard | August 2005 |
| 4006 | Diameter Credit-Control ApplicationH. Hakala, L. Mattila, J-P. Koskinen, M. Stura, J. Loughney · obsoleted by RFC 8506 | Proposed Standard | August 2005 |
| 4007 | IPv6 Scoped Address ArchitectureS. Deering, B. Haberman, T. Jinmei, E. Nordmark, B. Zill | Proposed Standard | March 2005 |
| 4008 | Definitions of Managed Objects for Network Address Translators (NAT)R. Rohit, P. Srisuresh, R. Raghunarayan, N. Pai, C. Wang · obsoleted by RFC 7658 | Proposed Standard | March 2005 |
| 4009 | The SEED Encryption AlgorithmJ. Park, S. Lee, J. Kim, J. Lee · obsoleted by RFC 4269 | Informational | February 2005 |
| 4010 | Use of the SEED Encryption Algorithm in Cryptographic Message Syntax (CMS)J. Park, S. Lee, J. Kim, J. Lee | Proposed Standard | February 2005 |
| 4011 | Policy Based Management MIBS. Waldbusser, J. Saperia, T. Hongal | Proposed Standard | March 2005 |
| 4012 | Routing Policy Specification Language next generation (RPSLng)L. Blunk, J. Damas, F. Parent, A. Robachevsky | Proposed Standard | March 2005 |
| 4013 | SASLprep: Stringprep Profile for User Names and PasswordsK. Zeilenga · obsoleted by RFC 7613 | Proposed Standard | March 2005 |
| 4014 | Remote Authentication Dial-In User Service (RADIUS) Attributes Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Information OptionR. Droms, J. Schnizlein | Proposed Standard | February 2005 |
| 4015 | The Eifel Response Algorithm for TCPR. Ludwig, A. Gurtov | Proposed Standard | February 2005 |
| 4016 | Protocol for Carrying Authentication and Network Access (PANA) Threat Analysis and Security RequirementsM. Parthasarathy | Informational | March 2005 |
| 4017 | Extensible Authentication Protocol (EAP) Method Requirements for Wireless LANsD. Stanley, J. Walker, B. Aboba | Informational | March 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 |
| 4019 | RObust Header Compression (ROHC): Profiles for User Datagram Protocol (UDP) LiteG. Pelletier | Proposed Standard | April 2005 |
| 4020 | Early IANA Allocation of Standards Track Code PointsK. Kompella, A. Zinin · obsoleted by RFC 7120 | Best Current Practice | March 2005 |
| 4021 | Registration of Mail and MIME Header FieldsG. Klyne, J. Palme | Proposed Standard | March 2005 |
| 4022 | Management Information Base for the Transmission Control Protocol (TCP)R. Raghunarayan, Ed. | Proposed Standard | March 2005 |
| 4023 | Encapsulating MPLS in IP or Generic Routing Encapsulation (GRE)T. Worster, Y. Rekhter, E. Rosen, Ed. | Proposed Standard | March 2005 |
| 4024 | Voice Messaging Client BehaviourG. Parsons, J. Maruszak | Informational | July 2005 |
| 4025 | A Method for Storing IPsec Keying Material in DNSM. Richardson | Proposed Standard | March 2005 |
| 4026 | Provider Provisioned Virtual Private Network (VPN) TerminologyL. Andersson, T. Madsen | Informational | March 2005 |
| 4027 | Domain Name System Media TypesS. Josefsson | Informational | May 2005 |
| 4028 | Session Timers in the Session Initiation Protocol (SIP)S. Donovan, J. Rosenberg | Proposed Standard | May 2005 |
| 4029 | Scenarios and Analysis for Introducing IPv6 into ISP NetworksM. Lind, V. Ksinant, S. Park, A. Baudot, P. Savola | Informational | March 2005 |
| 4030 | The Authentication Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent OptionM. Stapp, T. Lemon | Proposed Standard | April 2005 |
| 4031 | Service Requirements for Layer 3 Provider Provisioned Virtual Private Networks (PPVPNs)M. Carugi, Ed., D. McDysan, Ed. | Informational | April 2005 |
| 4032 | Update to the Session Initiation Protocol (SIP) Preconditions FrameworkG. Camarillo, P. Kyzivat | Proposed Standard | March 2005 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4034 | Resource Records for the DNS Security ExtensionsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4035 | Protocol Modifications for the DNS Security ExtensionsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4036 | Management Information Base for Data Over Cable Service Interface Specification (DOCSIS) Cable Modem Termination Systems for Subscriber ManagementW. Sawyer | Proposed Standard | April 2005 |
| 4037 | Open Pluggable Edge Services (OPES) Callout Protocol (OCP) CoreA. Rousskov | Proposed Standard | March 2005 |
| 4038 | Application Aspects of IPv6 TransitionM-K. Shin, Ed., Y-G. Hong, J. Hagino, P. Savola, E. M. Castro | Informational | March 2005 |
| 4039 | Rapid Commit Option for the Dynamic Host Configuration Protocol version 4 (DHCPv4)S. Park, P. Kim, B. Volz | Proposed Standard | March 2005 |
| 4040 | RTP Payload Format for a 64 kbit/s Transparent CallR. Kreuter | Proposed Standard | April 2005 |
| 4041 | Requirements for Morality Sections in Routing Area DraftsA. Farrel | Informational | 1 April 2005 |
| 4042 | UTF-9 and UTF-18 Efficient Transformation Formats of UnicodeM. Crispin | Informational | 1 April 2005 |
| 4043 | Internet X.509 Public Key Infrastructure Permanent IdentifierD. Pinkas, T. Gindin | Proposed Standard | May 2005 |
| 4044 | Fibre Channel Management MIBK. McCloghrie | Proposed Standard | May 2005 |
| 4045 | Extensions to Support Efficient Carrying of Multicast Traffic in Layer-2 Tunneling Protocol (L2TP)G. Bourdon | Experimental | April 2005 |
| 4046 | Multicast Security (MSEC) Group Key Management ArchitectureM. Baugher, R. Canetti, L. Dondeti, F. Lindholm | Informational | May 2005 |
| 4047 | MIME Sub-type Registrations for Flexible Image Transport System (FITS)S. Allen, D. Wells | Informational | April 2005 |
| 4048 | RFC 1888 Is ObsoleteB. Carpenter | Informational | April 2005 |
| 4049 | BinaryTime: An Alternate Format for Representing Date and Time in ASN.1R. Housley · obsoleted by RFC 6019 | Experimental | April 2005 |
| 4050 | Using the Elliptic Curve Signature Algorithm (ECDSA) for XML Digital SignaturesS. Blake-Wilson, G. Karlinger, T. Kobayashi, Y. Wang | Informational | April 2005 |
| 4051 | Additional XML Security Uniform Resource Identifiers (URIs)D. Eastlake 3rd · obsoleted by RFC 6931 | Proposed Standard | April 2005 |
| 4052 | IAB Processes for Management of IETF Liaison RelationshipsL. Daigle, Ed., Internet Architecture Board | Best Current Practice | April 2005 |
| 4053 | Procedures for Handling Liaison Statements to and from the IETFS. Trowbridge, S. Bradner, F. Baker | Best Current Practice | April 2005 |
| 4054 | Impairments and Other Constraints on Optical Layer RoutingJ. Strand, Ed., A. Chiu, Ed. | Informational | May 2005 |
| 4055 | Additional Algorithms and Identifiers for RSA Cryptography for use in the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) ProfileJ. Schaad, B. Kaliski, R. Housley | Proposed Standard | June 2005 |
| 4056 | Use of the RSASSA-PSS Signature Algorithm in Cryptographic Message Syntax (CMS)J. Schaad | Proposed Standard | June 2005 |
| 4057 | IPv6 Enterprise Network ScenariosJ. Bound, Ed. | Informational | June 2005 |
| 4058 | Protocol for Carrying Authentication for Network Access (PANA) RequirementsA. Yegin, Ed., Y. Ohba, R. Penno, G. Tsirtsis, C. Wang | Informational | May 2005 |
| 4059 | Internet X.509 Public Key Infrastructure Warranty Certificate ExtensionD. Linsenbardt, S. Pontius, A. Sturgeon | Informational | May 2005 |