| 4101 | Writing Protocol ModelsE. Rescorla, IAB | Informational | June 2005 |
| 4102 | Registration of the text/red MIME Sub-TypeP. Jones | Proposed Standard | June 2005 |
| 4103 | RTP Payload for Text ConversationG. Hellstrom, P. Jones | Proposed Standard | June 2005 |
| 4104 | Policy Core Extension Lightweight Directory Access Protocol Schema (PCELS)M. Pana, Ed., A. Reyes, A. Barba, D. Moron, M. Brunner | Proposed Standard | June 2005 |
| 4105 | Requirements for Inter-Area MPLS Traffic EngineeringJ.-L. Le Roux, Ed., J.-P. Vasseur, Ed., J. Boyle, Ed. | Informational | June 2005 |
| 4106 | The Use of Galois/Counter Mode (GCM) in IPsec Encapsulating Security Payload (ESP)J. Viega, D. McGrew | Proposed Standard | June 2005 |
| 4107 | Guidelines for Cryptographic Key ManagementS. Bellovin, R. Housley | Best Current Practice | June 2005 |
| 4108 | Using Cryptographic Message Syntax (CMS) to Protect Firmware PackagesR. Housley | Proposed Standard | August 2005 |
| 4109 | Algorithms for Internet Key Exchange version 1 (IKEv1)P. Hoffman | Proposed Standard | May 2005 |
| 4110 | A Framework for Layer 3 Provider-Provisioned Virtual Private Networks (PPVPNs)R. Callon, M. Suzuki | Informational | July 2005 |
| 4111 | Security Framework for Provider-Provisioned Virtual Private Networks (PPVPNs)L. Fang, Ed. | Informational | July 2005 |
| 4112 | Electronic Commerce Modeling Language (ECML) Version 2 SpecificationD. Eastlake 3rd | Proposed Standard | June 2005 |
| 4113 | Management Information Base for the User Datagram Protocol (UDP)B. Fenner, J. Flick | Proposed Standard | June 2005 |
| 4114 | E.164 Number Mapping for the Extensible Provisioning Protocol (EPP)S. Hollenbeck | Proposed Standard | June 2005 |
| 4115 | A Differentiated Service Two-Rate, Three-Color Marker with Efficient Handling of in-Profile TrafficO. Aboul-Magd, S. Rabie | Informational | July 2005 |
| 4116 | IPv4 Multihoming Practices and LimitationsJ. Abley, K. Lindqvist, E. Davies, B. Black, V. Gill | Informational | July 2005 |
| 4117 | Transcoding Services Invocation in the Session Initiation Protocol (SIP) Using Third Party Call Control (3pcc)G. Camarillo, E. Burger, H. Schulzrinne, A. van Wijk | Informational | June 2005 |
| 4118 | Architecture Taxonomy for Control and Provisioning of Wireless Access Points (CAPWAP)L. Yang, P. Zerfos, E. Sadot | Informational | June 2005 |
| 4119 | A Presence-based GEOPRIV Location Object FormatJ. Peterson | Proposed Standard | December 2005 |
| 4120 | The Kerberos Network Authentication Service (V5)C. Neuman, T. Yu, S. Hartman, K. Raeburn | Proposed Standard | July 2005 |
| 4121 | The Kerberos Version 5 Generic Security Service Application Program Interface (GSS-API) Mechanism: Version 2L. Zhu, K. Jaganathan, S. Hartman | Proposed Standard | July 2005 |
| 4122 | A Universally Unique IDentifier (UUID) URN NamespaceP. Leach, M. Mealling, R. Salz · obsoleted by RFC 9562 | Proposed Standard | July 2005 |
| 4123 | Session Initiation Protocol (SIP)-H.323 Interworking RequirementsH. Schulzrinne, C. Agboh | Informational | July 2005 |
| 4124 | Protocol Extensions for Support of Diffserv-aware MPLS Traffic EngineeringF. Le Faucheur, Ed. | Proposed Standard | June 2005 |
| 4125 | Maximum Allocation Bandwidth Constraints Model for Diffserv-aware MPLS Traffic EngineeringF. Le Faucheur, W. Lai | Experimental | June 2005 |
| 4126 | Max Allocation with Reservation Bandwidth Constraints Model for Diffserv-aware MPLS Traffic Engineering & Performance ComparisonsJ. Ash | Experimental | June 2005 |
| 4127 | Russian Dolls Bandwidth Constraints Model for Diffserv-aware MPLS Traffic EngineeringF. Le Faucheur, Ed. | Experimental | June 2005 |
| 4128 | Bandwidth Constraints Models for Differentiated Services (Diffserv)-aware MPLS Traffic Engineering: Performance EvaluationW. Lai | Informational | June 2005 |
| 4129 | Digital Private Network Signaling System (DPNSS)/Digital Access Signaling System 2 (DASS 2) Extensions to the IUA ProtocolR. Mukundan, K. Morneault, N. Mangalpally | Proposed Standard | September 2005 |
| 4130 | MIME-Based Secure Peer-to-Peer Business Data Interchange Using HTTP, Applicability Statement 2 (AS2)D. Moberg, R. Drummond | Proposed Standard | July 2005 |
| 4131 | Management Information Base for Data Over Cable Service Interface Specification (DOCSIS) Cable Modems and Cable Modem Termination Systems for Baseline Privacy PlusS. Green, K. Ozawa, E. Cardona, Ed., A. Katsnelson | Proposed Standard | September 2005 |
| 4132 | Addition of Camellia Cipher Suites to Transport Layer Security (TLS)S. Moriai, A. Kato, M. Kanda · obsoleted by RFC 5932 | Proposed Standard | July 2005 |
| 4133 | Entity MIB (Version 3)A. Bierman, K. McCloghrie · obsoleted by RFC 6933 | Proposed Standard | August 2005 |
| 4134 | Examples of S/MIME MessagesP. Hoffman, Ed. | Informational | July 2005 |
| 4135 | Goals of Detecting Network Attachment in IPv6JH. Choi, G. Daley | Informational | August 2005 |
| 4136 | OSPF Refresh and Flooding Reduction in Stable TopologiesP. Pillay-Esnault | Informational | July 2005 |
| 4137 | State Machines for Extensible Authentication Protocol (EAP) Peer and AuthenticatorJ. Vollbrecht, P. Eronen, N. Petroni, Y. Ohba | Informational | August 2005 |
| 4138 | Forward RTO-Recovery (F-RTO): An Algorithm for Detecting Spurious Retransmission Timeouts with TCP and the Stream Control Transmission Protocol (SCTP)P. Sarolahti, M. Kojo | Experimental | August 2005 |
| 4139 | Requirements for Generalized MPLS (GMPLS) Signaling Usage and Extensions for Automatically Switched Optical Network (ASON)D. Papadimitriou, J. Drake, J. Ash, A. Farrel, L. Ong | Informational | July 2005 |
| 4140 | Hierarchical Mobile IPv6 Mobility Management (HMIPv6)H. Soliman, C. Castelluccia, K. El Malki, L. Bellier · obsoleted by RFC 5380 | Experimental | August 2005 |
| 4141 | SMTP and MIME Extensions for Content ConversionK. Toyoda, D. Crocker | Proposed Standard | November 2005 |
| 4142 | Full-mode Fax Profile for Internet Mail (FFPIM)D. Crocker, G. Klyne | Proposed Standard | November 2005 |
| 4143 | Facsimile Using Internet Mail (IFAX) Service of ENUMK. Toyoda, D. Crocker | Proposed Standard | November 2005 |
| 4144 | How to Gain Prominence and Influence in Standards OrganizationsD. Eastlake 3rd | Informational | September 2005 |
| 4145 | TCP-Based Media Transport in the Session Description Protocol (SDP)D. Yon, G. Camarillo | Proposed Standard | September 2005 |
| 4146 | Simple New Mail NotificationR. Gellens | Informational | August 2005 |
| 4147 | Proposed Changes to the Format of the IANA IPv6 RegistryG. Huston | Informational | August 2005 |
| 4148 | IP Performance Metrics (IPPM) Metrics RegistryE. Stephan · obsoleted by RFC 6248 | Best Current Practice | August 2005 |
| 4149 | Definition of Managed Objects for Synthetic Sources for Performance Monitoring AlgorithmsC. Kalbfleisch, R. Cole, D. Romascanu | Proposed Standard | August 2005 |
| 4150 | Transport Performance Metrics MIBR. Dietz, R. Cole | Proposed Standard | August 2005 |
| 4151 | The 'tag' URI SchemeT. Kindberg, S. Hawke | Informational | October 2005 |
| 4152 | A Uniform Resource Name (URN) Namespace for the Common Language Equipment Identifier (CLEI) CodeK. Tesink, R. Fox | Informational | August 2005 |
| 4153 | XML Voucher: Generic Voucher LanguageK. Fujimura, M. Terada, D. Eastlake 3rd | Informational | September 2005 |
| 4154 | Voucher Trading System Application Programming Interface (VTS-API)M. Terada, K. Fujimura | Informational | September 2005 |
| 4155 | The application/mbox Media TypeE. Hall | Informational | September 2005 |
| 4156 | The wais URI SchemeP. Hoffman | Historic | August 2005 |
| 4157 | The prospero URI SchemeP. Hoffman | Historic | August 2005 |
| 4158 | Internet X.509 Public Key Infrastructure: Certification Path BuildingM. Cooper, Y. Dzambasow, P. Hesse, S. Joseph, R. Nicholas | Informational | September 2005 |
| 4159 | Deprecation of "ip6.int"G. Huston | Best Current Practice | August 2005 |
| 4160 | Internet Fax Gateway RequirementsK. Mimura, K. Yokoyama, T. Satoh, C. Kanaide, C. Allocchio | Informational | September 2005 |
| 4161 | Guidelines for Optional Services for Internet Fax GatewaysK. Mimura, K. Yokoyama, T. Satoh, K. Watanabe, C. Kanaide | Informational | September 2005 |
| 4162 | Addition of SEED Cipher Suites to Transport Layer Security (TLS)H.J. Lee, J.H. Yoon, J.I. Lee | Proposed Standard | September 2005 |
| 4163 | RObust Header Compression (ROHC): Requirements on TCP/IP Header CompressionL-E. Jonsson | Informational | August 2005 |
| 4164 | RObust Header Compression (ROHC): Context Replication for ROHC ProfilesG. Pelletier | Proposed Standard | September 2005 |
| 4165 | Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Peer-to-Peer Adaptation Layer (M2PA)T. George, B. Bidulock, R. Dantu, H. Schwarzbauer, K. Morneault | Proposed Standard | September 2005 |
| 4166 | Telephony Signalling Transport over Stream Control Transmission Protocol (SCTP) Applicability StatementL. Coene, J. Pastor-Balbas | Informational | February 2006 |
| 4167 | Graceful OSPF Restart Implementation ReportA. Lindem | Informational | October 2005 |
| 4168 | The Stream Control Transmission Protocol (SCTP) as a Transport for the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, G. Camarillo | Proposed Standard | October 2005 |
| 4169 | Hypertext Transfer Protocol (HTTP) Digest Authentication Using Authentication and Key Agreement (AKA) Version-2V. Torvinen, J. Arkko, M. Naslund | Informational | November 2005 |
| 4170 | Tunneling Multiplexed Compressed RTP (TCRTP)B. Thompson, T. Koren, D. Wing | Best Current Practice | November 2005 |
| 4171 | Internet Storage Name Service (iSNS)J. Tseng, K. Gibbons, F. Travostino, C. Du Laney, J. Souza | Proposed Standard | September 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 |
| 4175 | RTP Payload Format for Uncompressed VideoL. Gharai, C. Perkins | Proposed Standard | September 2005 |
| 4176 | Framework for Layer 3 Virtual Private Networks (L3VPN) Operations and ManagementY. El Mghazli, Ed., T. Nadeau, M. Boucadair, K. Chan, A. Gonguet | Informational | October 2005 |
| 4177 | Architectural Approaches to Multi-homing for IPv6G. Huston | Informational | September 2005 |
| 4178 | The Simple and Protected Generic Security Service Application Program Interface (GSS-API) Negotiation MechanismL. Zhu, P. Leach, K. Jaganathan, W. Ingersoll | Proposed Standard | October 2005 |
| 4179 | Using Universal Content Identifier (UCI) as Uniform Resource Names (URN)S. Kang | Informational | October 2005 |
| 4180 | Common Format and MIME Type for Comma-Separated Values (CSV) FilesY. Shafranovich | Informational | October 2005 |
| 4181 | Guidelines for Authors and Reviewers of MIB DocumentsC. Heard, Ed. | Best Current Practice | September 2005 |
| 4182 | Removing a Restriction on the use of MPLS Explicit NULLE. Rosen | Proposed Standard | September 2005 |
| 4183 | A Suggested Scheme for DNS Resolution of Networks and GatewaysE. Warnicke | Informational | September 2005 |
| 4184 | RTP Payload Format for AC-3 AudioB. Link, T. Hager, J. Flaks | Proposed Standard | October 2005 |
| 4185 | National and Local Characters for DNS Top Level Domain (TLD) NamesJ. Klensin | Informational | October 2005 |
| 4186 | Extensible Authentication Protocol Method for Global System for Mobile Communications (GSM) Subscriber Identity Modules (EAP-SIM)H. Haverinen, Ed., J. Salowey, Ed. | Informational | January 2006 |
| 4187 | Extensible Authentication Protocol Method for 3rd Generation Authentication and Key Agreement (EAP-AKA)J. Arkko, H. Haverinen | Informational | January 2006 |
| 4188 | Definitions of Managed Objects for BridgesK. Norseth, Ed., E. Bell, Ed. | Proposed Standard | September 2005 |
| 4189 | Requirements for End-to-Middle Security for the Session Initiation Protocol (SIP)K. Ono, S. Tachimoto | Informational | October 2005 |
| 4190 | Framework for Supporting Emergency Telecommunications Service (ETS) in IP TelephonyK. Carlberg, I. Brown, C. Beard | Informational | November 2005 |
| 4191 | Default Router Preferences and More-Specific RoutesR. Draves, D. Thaler | Proposed Standard | November 2005 |
| 4192 | Procedures for Renumbering an IPv6 Network without a Flag DayF. Baker, E. Lear, R. Droms | Informational | September 2005 |
| 4193 | Unique Local IPv6 Unicast AddressesR. Hinden, B. Haberman | Proposed Standard | October 2005 |
| 4194 | The S Hexdump FormatJ. Strombergson, L. Walleij, P. Faltstrom | Proposed Standard | October 2005 |
| 4195 | A Uniform Resource Name (URN) Namespace for the TV-Anytime ForumW. Kameyama | Informational | October 2005 |
| 4196 | The SEED Cipher Algorithm and Its Use with IPsecH.J. Lee, J.H. Yoon, S.L. Lee, J.I. Lee | Proposed Standard | October 2005 |
| 4197 | Requirements for Edge-to-Edge Emulation of Time Division Multiplexed (TDM) Circuits over Packet Switching NetworksM. Riegel, Ed. | Informational | October 2005 |
| 4198 | A Uniform Resource Name (URN) Namespace for Federated ContentD. Tessman | Informational | November 2005 |