| 3501 | INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1M. Crispin · obsoleted by RFC 9051 | Proposed Standard | March 2003 |
| 3502 | Internet Message Access Protocol (IMAP) - MULTIAPPEND ExtensionM. Crispin | Proposed Standard | March 2003 |
| 3503 | Message Disposition Notification (MDN) profile for Internet Message Access Protocol (IMAP)A. Melnikov | Proposed Standard | March 2003 |
| 3504 | Internet Open Trading Protocol (IOTP) Version 1, ErrataD. Eastlake | Informational | March 2003 |
| 3505 | Electronic Commerce Modeling Language (ECML): Version 2 RequirementsD. Eastlake | Informational | March 2003 |
| 3506 | Requirements and Design for Voucher Trading System (VTS)K. Fujimura, D. Eastlake | Informational | March 2003 |
| 3507 | Internet Content Adaptation Protocol (ICAP)J. Elson, A. Cerpa | Informational | April 2003 |
| 3508 | H.323 Uniform Resource Locator (URL) Scheme RegistrationO. Levin | Informational | April 2003 |
| 3509 | Alternative Implementations of OSPF Area Border RoutersA. Zinin, A. Lindem, D. Yeung | Informational | April 2003 |
| 3510 | Internet Printing Protocol/1.1: IPP URL SchemeR. Herriot, I. McDonald | Proposed Standard | April 2003 |
| 3511 | Benchmarking Methodology for Firewall PerformanceB. Hickman, D. Newman, S. Tadjudin, T. Martin · obsoleted by RFC 9411 | Informational | April 2003 |
| 3512 | Configuring Networks and Devices with Simple Network Management Protocol (SNMP)M. MacFaden, D. Partain, J. Saperia, W. Tackabury | Informational | April 2003 |
| 3513 | Internet Protocol Version 6 (IPv6) Addressing ArchitectureR. Hinden, S. Deering · obsoleted by RFC 4291 | Proposed Standard | April 2003 |
| 3514 | The Security Flag in the IPv4 HeaderS. Bellovin | Informational | 1 April 2003 |
| 3515 | The Session Initiation Protocol (SIP) Refer MethodR. Sparks | Proposed Standard | April 2003 |
| 3516 | IMAP4 Binary Content ExtensionL. Nerenberg | Proposed Standard | April 2003 |
| 3517 | A Conservative Selective Acknowledgment (SACK)-based Loss Recovery Algorithm for TCPE. Blanton, M. Allman, K. Fall, L. Wang · obsoleted by RFC 6675 | Proposed Standard | April 2003 |
| 3518 | Point-to-Point Protocol (PPP) Bridging Control Protocol (BCP)M. Higashiyama, F. Baker, T. Liao | Proposed Standard | April 2003 |
| 3519 | Mobile IP Traversal of Network Address Translation (NAT) DevicesH. Levkowetz, S. Vaarala | Proposed Standard | May 2003 |
| 3520 | Session Authorization Policy ElementL-N. Hamer, B. Gage, B. Kosinski, H. Shieh | Proposed Standard | April 2003 |
| 3521 | Framework for Session Set-up with Media AuthorizationL-N. Hamer, B. Gage, H. Shieh | Informational | April 2003 |
| 3522 | The Eifel Detection Algorithm for TCPR. Ludwig, M. Meyer | Experimental | April 2003 |
| 3523 | Internet Emergency Preparedness (IEPREP) Telephony Topology TerminologyJ. Polk | Informational | April 2003 |
| 3524 | Mapping of Media Streams to Resource Reservation FlowsG. Camarillo, A. Monrad | Proposed Standard | April 2003 |
| 3525 | Gateway Control Protocol Version 1C. Groves, Ed., M. Pantaleo, Ed., T. Anderson, Ed., T. Taylor, Ed. · obsoleted by RFC 5125 | Historic | June 2003 |
| 3526 | More Modular Exponential (MODP) Diffie-Hellman groups for Internet Key Exchange (IKE)T. Kivinen, M. Kojo | Proposed Standard | May 2003 |
| 3527 | Link Selection sub-option for the Relay Agent Information Option for DHCPv4K. Kinnear, M. Stapp, R. Johnson, J. Kumarasamy | Proposed Standard | April 2003 |
| 3528 | Mesh-enhanced Service Location Protocol (mSLP)W. Zhao, H. Schulzrinne, E. Guttman | Experimental | May 2003 |
| 3529 | Using Extensible Markup Language-Remote Procedure Calling (XML-RPC) in Blocks Extensible Exchange Protocol (BEEP)W. Harold | Experimental | April 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 |
| 3531 | A Flexible Method for Managing the Assignment of Bits of an IPv6 Address BlockM. Blanchet | Informational | April 2003 |
| 3532 | Requirements for the Dynamic Partitioning of Switching ElementsT. Anderson, J. Buerkle | Informational | May 2003 |
| 3533 | The Ogg Encapsulation Format Version 0S. Pfeiffer | Informational | May 2003 |
| 3534 | The application/ogg Media TypeL. Walleij · obsoleted by RFC 5334 | Proposed Standard | May 2003 |
| 3535 | Overview of the 2002 IAB Network Management WorkshopJ. Schoenwaelder | Informational | May 2003 |
| 3536 | Terminology Used in Internationalization in the IETFP. Hoffman · obsoleted by RFC 6365 | Informational | May 2003 |
| 3537 | Wrapping a Hashed Message Authentication Code (HMAC) key with a Triple-Data Encryption Standard (DES) Key or an Advanced Encryption Standard (AES) KeyJ. Schaad, R. Housley | Proposed Standard | May 2003 |
| 3538 | Secure Electronic Transaction (SET) Supplement for the v1.0 Internet Open Trading Protocol (IOTP)Y. Kawatsura | Informational | June 2003 |
| 3539 | Authentication, Authorization and Accounting (AAA) Transport ProfileB. Aboba, J. Wood | Proposed Standard | June 2003 |
| 3540 | Robust Explicit Congestion Notification (ECN) Signaling with NoncesN. Spring, D. Wetherall, D. Ely | Historic | June 2003 |
| 3541 | A Uniform Resource Name (URN) Namespace for the Web3D Consortium (Web3D)A. Walsh | Informational | May 2003 |
| 3542 | Advanced Sockets Application Program Interface (API) for IPv6W. Stevens, M. Thomas, E. Nordmark, T. Jinmei | Informational | June 2003 |
| 3543 | Registration Revocation in Mobile IPv4S. Glass, M. Chandra | Proposed Standard | August 2003 |
| 3544 | IP Header Compression over PPPT. Koren, S. Casner, C. Bormann | Proposed Standard | July 2003 |
| 3545 | Enhanced Compressed RTP (CRTP) for Links with High Delay, Packet Loss and ReorderingT. Koren, S. Casner, J. Geevarghese, B. Thompson, P. Ruddy | Proposed Standard | July 2003 |
| 3546 | Transport Layer Security (TLS) ExtensionsS. Blake-Wilson, M. Nystrom, D. Hopwood, J. Mikkelsen, T. Wright · obsoleted by RFC 4366 | Proposed Standard | June 2003 |
| 3547 | The Group Domain of InterpretationM. Baugher, B. Weis, T. Hardjono, H. Harney · obsoleted by RFC 6407 | Proposed Standard | July 2003 |
| 3548 | The Base16, Base32, and Base64 Data EncodingsS. Josefsson, Ed. · obsoleted by RFC 4648 | Informational | July 2003 |
| 3549 | Linux Netlink as an IP Services ProtocolJ. Salim, H. Khosravi, A. Kleen, A. Kuznetsov | Informational | July 2003 |
| 3550 | RTP: A Transport Protocol for Real-Time ApplicationsH. Schulzrinne, S. Casner, R. Frederick, V. Jacobson | Internet Standard | July 2003 |
| 3551 | RTP Profile for Audio and Video Conferences with Minimal ControlH. Schulzrinne, S. Casner | Internet Standard | July 2003 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 3553 | An IETF URN Sub-namespace for Registered Protocol ParametersM. Mealling, L. Masinter, T. Hardie, G. Klyne | Best Current Practice | June 2003 |
| 3554 | On the Use of Stream Control Transmission Protocol (SCTP) with IPsecS. Bellovin, J. Ioannidis, A. Keromytis, R. Stewart | Proposed Standard | July 2003 |
| 3555 | MIME Type Registration of RTP Payload FormatsS. Casner, P. Hoschka · obsoleted by RFC 4855, RFC 4856 | Proposed Standard | July 2003 |
| 3556 | Session Description Protocol (SDP) Bandwidth Modifiers for RTP Control Protocol (RTCP) BandwidthS. Casner | Proposed Standard | July 2003 |
| 3557 | RTP Payload Format for European Telecommunications Standards Institute (ETSI) European Standard ES 201 108 Distributed Speech Recognition EncodingQ. Xie, Ed. | Proposed Standard | July 2003 |
| 3558 | RTP Payload Format for Enhanced Variable Rate Codecs (EVRC) and Selectable Mode Vocoders (SMV)A. Li | Proposed Standard | July 2003 |
| 3559 | Multicast Address Allocation MIBD. Thaler | Proposed Standard | June 2003 |
| 3560 | Use of the RSAES-OAEP Key Transport Algorithm in Cryptographic Message Syntax (CMS)R. Housley | Proposed Standard | July 2003 |
| 3561 | Ad hoc On-Demand Distance Vector (AODV) RoutingC. Perkins, E. Belding-Royer, S. Das | Experimental | July 2003 |
| 3562 | Key Management Considerations for the TCP MD5 Signature OptionM. Leech | Informational | July 2003 |
| 3563 | Cooperative Agreement Between the ISOC/IETF and ISO/IEC Joint Technical Committee 1/Sub Committee 6 (JTC1/SC6) on IS-IS Routing Protocol DevelopmentA. Zinin | Informational | July 2003 |
| 3564 | Requirements for Support of Differentiated Services-aware MPLS Traffic EngineeringF. Le Faucheur, W. Lai | Informational | July 2003 |
| 3565 | Use of the Advanced Encryption Standard (AES) Encryption Algorithm in Cryptographic Message Syntax (CMS)J. Schaad | Proposed Standard | July 2003 |
| 3566 | The AES-XCBC-MAC-96 Algorithm and Its Use With IPsecS. Frankel, H. Herbert | Proposed Standard | September 2003 |
| 3567 | Intermediate System to Intermediate System (IS-IS) Cryptographic AuthenticationT. Li, R. Atkinson · obsoleted by RFC 5304 | Informational | July 2003 |
| 3568 | Known Content Network (CN) Request-Routing MechanismsA. Barbir, B. Cain, R. Nair, O. Spatscheck | Informational | July 2003 |
| 3569 | An Overview of Source-Specific Multicast (SSM)S. Bhattacharyya, Ed. | Informational | July 2003 |
| 3570 | Content Internetworking (CDI) ScenariosP. Rzewski, M. Day, D. Gilletti · obsoleted by RFC 6770 | Informational | July 2003 |
| 3571 | Framework Policy Information Base for Usage FeedbackD. Rawlins, A. Kulkarni, K. Ho Chan, M. Bokaemper, D. Dutt | Historic | August 2003 |
| 3572 | Internet Protocol Version 6 over MAPOS (Multiple Access Protocol Over SONET/SDH)T. Ogura, M. Maruyama, T. Yoshida | Informational | July 2003 |
| 3573 | Signalling of Modem-On-Hold status in Layer 2 Tunneling Protocol (L2TP)I. Goyret | Proposed Standard | July 2003 |
| 3574 | Transition Scenarios for 3GPP NetworksJ. Soininen, Ed. | Informational | August 2003 |
| 3575 | IANA Considerations for RADIUS (Remote Authentication Dial In User Service)B. Aboba | Proposed Standard | July 2003 |
| 3576 | Dynamic Authorization Extensions to Remote Authentication Dial In User Service (RADIUS)M. Chiba, G. Dommety, M. Eklund, D. Mitton, B. Aboba · obsoleted by RFC 5176 | Informational | July 2003 |
| 3577 | Introduction to the Remote Monitoring (RMON) Family of MIB ModulesS. Waldbusser, R. Cole, C. Kalbfleisch, D. Romascanu | Informational | August 2003 |
| 3578 | Mapping of Integrated Services Digital Network (ISDN) User Part (ISUP) Overlap Signalling to the Session Initiation Protocol (SIP)G. Camarillo, A. B. Roach, J. Peterson, L. Ong | Proposed Standard | August 2003 |
| 3579 | RADIUS (Remote Authentication Dial In User Service) Support For Extensible Authentication Protocol (EAP)B. Aboba, P. Calhoun | Informational | September 2003 |
| 3580 | IEEE 802.1X Remote Authentication Dial In User Service (RADIUS) Usage GuidelinesP. Congdon, B. Aboba, A. Smith, G. Zorn, J. Roese | Informational | September 2003 |
| 3581 | An Extension to the Session Initiation Protocol (SIP) for Symmetric Response RoutingJ. Rosenberg, H. Schulzrinne | Proposed Standard | August 2003 |
| 3582 | Goals for IPv6 Site-Multihoming ArchitecturesJ. Abley, B. Black, V. Gill | Informational | August 2003 |
| 3583 | Requirements of a Quality of Service (QoS) Solution for Mobile IPH. Chaskar, Ed. | Informational | September 2003 |
| 3584 | Coexistence between Version 1, Version 2, and Version 3 of the Internet-standard Network Management FrameworkR. Frye, D. Levi, S. Routhier, B. Wijnen | Best Current Practice | August 2003 |
| 3585 | IPsec Configuration Policy Information ModelJ. Jason, L. Rafalow, E. Vyncke | Proposed Standard | August 2003 |
| 3586 | IP Security Policy (IPSP) RequirementsM. Blaze, A. Keromytis, M. Richardson, L. Sanchez | Proposed Standard | August 2003 |
| 3587 | IPv6 Global Unicast Address FormatR. Hinden, S. Deering, E. Nordmark | Informational | August 2003 |
| 3588 | Diameter Base ProtocolP. Calhoun, J. Loughney, E. Guttman, G. Zorn, J. Arkko · obsoleted by RFC 6733 | Proposed Standard | September 2003 |
| 3589 | Diameter Command Codes for Third Generation Partnership Project (3GPP) Release 5J. Loughney | Informational | September 2003 |
| 3590 | Source Address Selection for the Multicast Listener Discovery (MLD) ProtocolB. Haberman | Proposed Standard | September 2003 |
| 3591 | Definitions of Managed Objects for the Optical Interface TypeH-K. Lam, M. Stewart, A. Huynh | Proposed Standard | September 2003 |
| 3592 | Definitions of Managed Objects for the Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Interface TypeK. Tesink | Draft Standard | September 2003 |
| 3593 | Textual Conventions for MIB Modules Using Performance History Based on 15 Minute IntervalsK. Tesink, Ed. | Draft Standard | September 2003 |
| 3594 | PacketCable Security Ticket Control Sub-Option for the DHCP CableLabs Client Configuration (CCC) OptionP. Duffy | Proposed Standard | September 2003 |
| 3595 | Textual Conventions for IPv6 Flow LabelB. Wijnen | Proposed Standard | September 2003 |
| 3596 | DNS Extensions to Support IP Version 6S. Thomson, C. Huitema, V. Ksinant, M. Souissi | Internet Standard | October 2003 |
| 3597 | Handling of Unknown DNS Resource Record (RR) TypesA. Gustafsson | Proposed Standard | September 2003 |
| 3598 | Sieve Email Filtering -- Subaddress ExtensionK. Murchison · obsoleted by RFC 5233 | Proposed Standard | September 2003 |
| 3599 | Request for Comments Summary RFC Numbers 3500-3599S. Ginoza | Informational | December 2003 |