| 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 |
| 4201 | Link Bundling in MPLS Traffic Engineering (TE)K. Kompella, Y. Rekhter, L. Berger | Proposed Standard | October 2005 |
| 4202 | Routing Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)K. Kompella, Ed., Y. Rekhter, Ed. | Proposed Standard | October 2005 |
| 4203 | OSPF Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)K. Kompella, Ed., Y. Rekhter, Ed. | Proposed Standard | October 2005 |
| 4204 | Link Management Protocol (LMP)J. Lang, Ed. | Proposed Standard | October 2005 |
| 4205 | Intermediate System to Intermediate System (IS-IS) Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)K. Kompella, Ed., Y. Rekhter, Ed. · obsoleted by RFC 5307 | Informational | October 2005 |
| 4206 | Label Switched Paths (LSP) Hierarchy with Generalized Multi-Protocol Label Switching (GMPLS) Traffic Engineering (TE)K. Kompella, Y. Rekhter | Proposed Standard | October 2005 |
| 4207 | Synchronous Optical Network (SONET)/Synchronous Digital Hierarchy (SDH) Encoding for Link Management Protocol (LMP) Test MessagesJ. Lang, D. Papadimitriou | Proposed Standard | October 2005 |
| 4208 | Generalized Multiprotocol Label Switching (GMPLS) User-Network Interface (UNI): Resource ReserVation Protocol-Traffic Engineering (RSVP-TE) Support for the Overlay ModelG. Swallow, J. Drake, H. Ishimatsu, Y. Rekhter | Proposed Standard | October 2005 |
| 4209 | Link Management Protocol (LMP) for Dense Wavelength Division Multiplexing (DWDM) Optical Line SystemsA. Fredette, Ed., J. Lang, Ed. | Proposed Standard | October 2005 |
| 4210 | Internet X.509 Public Key Infrastructure Certificate Management Protocol (CMP)C. Adams, S. Farrell, T. Kause, T. Mononen · obsoleted by RFC 9810 | Proposed Standard | September 2005 |
| 4211 | Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)J. Schaad | Proposed Standard | September 2005 |
| 4212 | Alternative Certificate Formats for the Public-Key Infrastructure Using X.509 (PKIX) Certificate Management ProtocolsM. Blinov, C. Adams | Informational | October 2005 |
| 4213 | Basic Transition Mechanisms for IPv6 Hosts and RoutersE. Nordmark, R. Gilligan | Proposed Standard | October 2005 |
| 4214 | Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)F. Templin, T. Gleeson, M. Talwar, D. Thaler · obsoleted by RFC 5214 | Experimental | October 2005 |
| 4215 | Analysis on IPv6 Transition in Third Generation Partnership Project (3GPP) NetworksJ. Wiljakka, Ed. | Informational | October 2005 |
| 4216 | MPLS Inter-Autonomous System (AS) Traffic Engineering (TE) RequirementsR. Zhang, Ed., J.-P. Vasseur, Ed. | Informational | November 2005 |
| 4217 | Securing FTP with TLSP. Ford-Hutchinson | Proposed Standard | October 2005 |
| 4218 | Threats Relating to IPv6 Multihoming SolutionsE. Nordmark, T. Li | Informational | October 2005 |
| 4219 | Things Multihoming in IPv6 (MULTI6) Developers Should Think AboutE. Lear | Informational | October 2005 |
| 4220 | Traffic Engineering Link Management Information BaseM. Dubuc, T. Nadeau, J. Lang | Proposed Standard | November 2005 |
| 4221 | Multiprotocol Label Switching (MPLS) Management OverviewT. Nadeau, C. Srinivasan, A. Farrel | Informational | November 2005 |
| 4222 | Prioritized Treatment of Specific OSPF Version 2 Packets and Congestion AvoidanceG. Choudhury, Ed. | Best Current Practice | October 2005 |
| 4223 | Reclassification of RFC 1863 to HistoricP. Savola | Informational | October 2005 |
| 4224 | RObust Header Compression (ROHC): ROHC over Channels That Can Reorder PacketsG. Pelletier, L-E. Jonsson, K. Sandlund | Informational | January 2006 |
| 4225 | Mobile IP Version 6 Route Optimization Security Design BackgroundP. Nikander, J. Arkko, T. Aura, G. Montenegro, E. Nordmark | Informational | December 2005 |
| 4226 | HOTP: An HMAC-Based One-Time Password AlgorithmD. M'Raihi, M. Bellare, F. Hoornaert, D. Naccache, O. Ranen | Informational | December 2005 |
| 4227 | Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP)E. O'Tuathail, M. Rose | Proposed Standard | January 2006 |
| 4228 | Requirements for an IETF Draft Submission ToolsetA. Rousskov | Informational | December 2005 |
| 4229 | HTTP Header Field RegistrationsM. Nottingham, J. Mogul | Informational | December 2005 |
| 4230 | RSVP Security PropertiesH. Tschofenig, R. Graveman | Informational | December 2005 |
| 4231 | Identifiers and Test Vectors for HMAC-SHA-224, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512M. Nystrom | Proposed Standard | December 2005 |
| 4233 | Integrated Services Digital Network (ISDN) Q.921-User Adaptation LayerK. Morneault, S. Rengasami, M. Kalla, G. Sidebottom | Proposed Standard | January 2006 |
| 4234 | Augmented BNF for Syntax Specifications: ABNFD. Crocker, Ed., P. Overell · obsoleted by RFC 5234 | Draft Standard | October 2005 |
| 4235 | An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, R. Mahy, Ed. | Proposed Standard | November 2005 |
| 4236 | HTTP Adaptation with Open Pluggable Edge Services (OPES)A. Rousskov, M. Stecher | Proposed Standard | November 2005 |
| 4237 | Voice Messaging Directory ServiceG. Vaudreuil | Proposed Standard | October 2005 |
| 4238 | Voice Message Routing ServiceG. Vaudreuil | Proposed Standard | October 2005 |
| 4239 | Internet Voice Messaging (IVM)S. McRae, G. Parsons | Proposed Standard | November 2005 |
| 4240 | Basic Network Media Services with SIPE. Burger, Ed., J. Van Dyke, A. Spitzer | Informational | December 2005 |
| 4241 | A Model of IPv6/IPv4 Dual Stack Internet Access ServiceY. Shirasaki, S. Miyakawa, T. Yamasaki, A. Takenouchi | Informational | December 2005 |
| 4242 | Information Refresh Time Option for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)S. Venaas, T. Chown, B. Volz · obsoleted by RFC 8415 | Proposed Standard | November 2005 |
| 4243 | Vendor-Specific Information Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent OptionM. Stapp, R. Johnson, T. Palaniappan | Proposed Standard | December 2005 |
| 4244 | An Extension to the Session Initiation Protocol (SIP) for Request History InformationM. Barnes, Ed. · obsoleted by RFC 7044 | Proposed Standard | November 2005 |
| 4245 | High-Level Requirements for Tightly Coupled SIP ConferencingO. Levin, R. Even | Informational | November 2005 |
| 4246 | International Standard Audiovisual Number (ISAN) URN DefinitionM. Dolan | Informational | February 2006 |
| 4247 | Requirements for Header Compression over MPLSJ. Ash, B. Goode, J. Hand, R. Zhang | Informational | November 2005 |
| 4248 | The telnet URI SchemeP. Hoffman | Proposed Standard | October 2005 |
| 4249 | Implementer-Friendly Specification of Message and MIME-Part Header Fields and Field ComponentsB. Lilly | Informational | January 2006 |
| 4250 | The Secure Shell (SSH) Protocol Assigned NumbersS. Lehtinen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4251 | The Secure Shell (SSH) Protocol ArchitectureT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4252 | The Secure Shell (SSH) Authentication ProtocolT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4253 | The Secure Shell (SSH) Transport Layer ProtocolT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4254 | The Secure Shell (SSH) Connection ProtocolT. Ylonen, C. Lonvick, Ed. | Proposed Standard | January 2006 |
| 4255 | Using DNS to Securely Publish Secure Shell (SSH) Key FingerprintsJ. Schlyter, W. Griffin | Proposed Standard | January 2006 |
| 4256 | Generic Message Exchange Authentication for the Secure Shell Protocol (SSH)F. Cusack, M. Forssen | Proposed Standard | January 2006 |
| 4257 | Framework for Generalized Multi-Protocol Label Switching (GMPLS)-based Control of Synchronous Digital Hierarchy/Synchronous Optical Networking (SDH/SONET) NetworksG. Bernstein, E. Mannie, V. Sharma, E. Gray | Informational | December 2005 |