| RFC
| Description
| Author(s)
| Status
| Obsoleted by
| Updated by
|
| 5201
| Host Identity Protocol
| R. Moskowitz, P. Nikander, P. Jokela, Ed., T. Henderson
| Experimental
|
RFC 7401
|
RFC 6253
|
| 5202
| Using the Encapsulating Security Payload (ESP) Transport Format with the Host Identity Protocol (HIP)
| P. Jokela, R. Moskowitz, P. Nikander
| Experimental
|
RFC 7402
|
|
| 5203
| Host Identity Protocol (HIP) Registration Extension
| J. Laganier, T. Koponen, L. Eggert
| Experimental
|
RFC 8003
|
|
| 5204
| Host Identity Protocol (HIP) Rendezvous Extension
| J. Laganier, L. Eggert
| Experimental
|
RFC 8004
|
|
| 5205
| Host Identity Protocol (HIP) Domain Name System (DNS) Extensions
| P. Nikander, J. Laganier
| Experimental
|
RFC 8005
|
|
| 5206
| End-Host Mobility and Multihoming with the Host Identity Protocol
| P. Nikander, T. Henderson, Ed., C. Vogt, J. Arkko
| Experimental
|
RFC 8046
|
|
| 5207
| NAT and Firewall Traversal Issues of Host Identity Protocol (HIP) Communication
| M. Stiemerling, J. Quittek, L. Eggert
| Informational
|
|
|
| 5208
| Public-Key Cryptography Standards (PKCS) #8: Private-Key Information Syntax Specification Version 1.2
| B. Kaliski
| Informational
|
RFC 5958
|
|
| 5209
| Network Endpoint Assessment (NEA): Overview and Requirements
| P. Sangster, H. Khosravi, M. Mani, K. Narayan, J. Tardo
| Informational
|
|
|
| 5210
| A Source Address Validation Architecture (SAVA) Testbed and Deployment Experience
| J. Wu, J. Bi, X. Li, G. Ren, K. Xu, M. Williams
| Experimental
|
|
|
| 5211
| An Internet Transition Plan
| J. Curran
| Informational
|
|
|
| 5212
| Requirements for GMPLS-Based Multi-Region and Multi-Layer Networks (MRN/MLN)
| K. Shiomoto, D. Papadimitriou, JL. Le Roux, M. Vigoureux, D. Brungard
| Informational
|
|
|
| 5213
| Proxy Mobile IPv6
| S. Gundavelli, Ed., K. Leung, V. Devarapalli, K. Chowdhury, B. Patil
| Proposed standard
|
|
RFC 6543, RFC 7864
|
| 5214
| Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)
| F. Templin, T. Gleeson, D. Thaler
| Informational
|
|
|
| 5215
| RTP Payload Format for Vorbis Encoded Audio
| L. Barbato
| Proposed standard
|
|
|
| 5216
| The EAP-TLS Authentication Protocol
| D. Simon, B. Aboba, R. Hurst
| Proposed standard
|
|
RFC 8996, RFC 9190
|
| 5217
| Memorandum for Multi-Domain Public Key Infrastructure Interoperability
| M. Shimaoka, Ed., N. Hastings, R. Nielsen
| Informational
|
|
|
| 5218
| What Makes for a Successful Protocol?
| D. Thaler, B. Aboba
| Informational
|
|
|
| 5219
| A More Loss-Tolerant RTP Payload Format for MP3 Audio
| R. Finlayson
| Proposed standard
|
|
|
| 5220
| Problem Statement for Default Address Selection in Multi-Prefix Environments: Operational Issues of RFC 3484 Default Rules
| A. Matsumoto, T. Fujisaki, R. Hiromi, K. Kanayama
| Informational
|
|
|
| 5221
| Requirements for Address Selection Mechanisms
| A. Matsumoto, T. Fujisaki, R. Hiromi, K. Kanayama
| Informational
|
|
|
| 5222
| LoST: A Location-to-Service Translation Protocol
| T. Hardie, A. Newton, H. Schulzrinne, H. Tschofenig
| Proposed standard
|
|
RFC 6848, RFC 8917, RFC 9036
|
| 5223
| Discovering Location-to-Service Translation (LoST) Servers Using the Dynamic Host Configuration Protocol (DHCP)
| H. Schulzrinne, J. Polk, H. Tschofenig
| Proposed standard
|
|
|
| 5224
| Diameter Policy Processing Application
| M. Brenner
| Informational
|
|
|
| 5225
| RObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, IP, ESP and UDP-Lite
| G. Pelletier, K. Sandlund
| Proposed standard
|
|
|
| 5226
| Guidelines for Writing an IANA Considerations Section in RFCs
| T. Narten, H. Alvestrand
| Best current practice
|
RFC 8126
|
|
| 5227
| IPv4 Address Conflict Detection
| S. Cheshire
| Proposed standard
|
|
|
| 5228
| Sieve: An Email Filtering Language
| P. Guenther, Ed., T. Showalter, Ed.
| Proposed standard
|
|
RFC 5229, RFC 5429, RFC 6785, RFC 9042
|
| 5229
| Sieve Email Filtering: Variables Extension
| K. Homme
| Proposed standard
|
|
RFC 5173
|
| 5230
| Sieve Email Filtering: Vacation Extension
| T. Showalter, N. Freed, Ed.
| Proposed standard
|
|
RFC 8580
|
| 5231
| Sieve Email Filtering: Relational Extension
| W. Segmuller, B. Leiba
| Proposed standard
|
|
|
| 5232
| Sieve Email Filtering: Imap4flags Extension
| A. Melnikov
| Proposed standard
|
|
|
| 5233
| Sieve Email Filtering: Subaddress Extension
| K. Murchison
| Proposed standard
|
|
|
| 5234
| Augmented BNF for Syntax Specifications: ABNF
| D. Crocker, Ed., P. Overell
| Internet standard
|
|
RFC 7405
|
| 5235
| Sieve Email Filtering: Spamtest and Virustest Extensions
| C. Daboo
| Proposed standard
|
|
|
| 5236
| Improved Packet Reordering Metrics
| A. Jayasumana, N. Piratla, T. Banka, A. Bare, R. Whitner
| Informational
|
|
|
| 5237
| IANA Allocation Guidelines for the Protocol Field
| J. Arkko, S. Bradner
| Best current practice
|
|
|
| 5238
| Datagram Transport Layer Security (DTLS) over the Datagram Congestion Control Protocol (DCCP)
| T. Phelan
| Proposed standard
|
|
RFC 8996
|
| 5239
| A Framework for Centralized Conferencing
| M. Barnes, C. Boulton, O. Levin
| Proposed standard
|
|
|
| 5240
| Protocol Independent Multicast (PIM) Bootstrap Router MIB
| B. Joshi, R. Bijlani
| Proposed standard
|
|
|
| 5241
| Naming Rights in IETF Protocols
| A. Falk, S. Bradner
| Informational
|
|
|
| 5242
| A Generalized Unified Character Code: Western European and CJK Sections
| J. Klensin, H. Alvestrand
| Informational
|
|
|
| 5243
| OSPF Database Exchange Summary List Optimization
| R. Ogier
| Informational
|
|
RFC 9454
|
| 5244
| Definition of Events for Channel-Oriented Telephony Signalling
| H. Schulzrinne, T. Taylor
| Proposed standard
|
|
|
| 5245
| Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
| J. Rosenberg
| Proposed standard
|
RFC 8445, RFC 8839
|
RFC 6336
|
| 5246
| The Transport Layer Security (TLS) Protocol Version 1.2
| T. Dierks, E. Rescorla
| Proposed standard
|
RFC 8446
|
RFC 5746, RFC 5878, RFC 6176, RFC 7465, RFC 7507, RFC 7568, RFC 7627, RFC 7685, RFC 7905, RFC 7919, RFC 8447, RFC 9155
|
| 5247
| Extensible Authentication Protocol (EAP) Key Management Framework
| B. Aboba, D. Simon, P. Eronen
| Proposed standard
|
|
RFC 8940
|
| 5248
| A Registry for SMTP Enhanced Mail System Status Codes
| T. Hansen, J. Klensin
| Best current practice
|
|
|
| 5249
| Templates for Internet-Drafts Containing MIB Modules
| D. Harrington, Ed.
| Best current practice
|
|
|
| 5250
| The OSPF Opaque LSA Option
| L. Berger, I. Bryskin, A. Zinin, R. Coltun
| Proposed standard
|
|
|
| 5251
| Layer 1 VPN Basic Mode
| D. Fedyk, Ed., Y. Rekhter, Ed., D. Papadimitriou, R. Rabbat, L. Berger
| Proposed standard
|
|
|
| 5252
| OSPF-Based Layer 1 VPN Auto-Discovery
| I. Bryskin, L. Berger
| Proposed standard
|
|
|
| 5253
| Applicability Statement for Layer 1 Virtual Private Network (L1VPN) Basic Mode
| T. Takeda, Ed.
| Informational
|
|
|
| 5254
| Requirements for Multi-Segment Pseudowire Emulation Edge-to-Edge (PWE3)
| N. Bitar, Ed., M. Bocci, Ed., L. Martini, Ed.
| Informational
|
|
|
| 5255
| Internet Message Access Protocol Internationalization
| C. Newman, A. Gulbrandsen, A. Melnikov
| Proposed standard
|
|
|
| 5256
| Internet Message Access Protocol - SORT and THREAD Extensions
| M. Crispin, K. Murchison
| Proposed standard
|
|
RFC 5957
|
| 5257
| Internet Message Access Protocol - ANNOTATE Extension
| C. Daboo, R. Gellens
| Experimental
|
|
|
| 5258
| Internet Message Access Protocol version 4 - LIST Command Extensions
| B. Leiba, A. Melnikov
| Proposed standard
|
|
|
| 5259
| Internet Message Access Protocol - CONVERT Extension
| A. Melnikov, Ed., P. Coates, Ed.
| Proposed standard
|
|
|
| 5260
| Sieve Email Filtering: Date and Index Extensions
| N. Freed
| Proposed standard
|
|
|
| 5261
| An Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors
| J. Urpalainen
| Proposed standard
|
|
|
| 5262
| Presence Information Data Format (PIDF) Extension for Partial Presence
| M. Lonnfors, E. Leppanen, H. Khartabil, J. Urpalainen
| Proposed standard
|
|
|
| 5263
| Session Initiation Protocol (SIP) Extension for Partial Notification of Presence Information
| M. Lonnfors, J. Costa-Requena, E. Leppanen, H. Khartabil
| Proposed standard
|
|
RFC 8996
|
| 5264
| Publication of Partial Presence Information
| A. Niemi, M. Lonnfors, E. Leppanen
| Proposed standard
|
|
|
| 5265
| Mobile IPv4 Traversal across IPsec-Based VPN Gateways
| S. Vaarala, E. Klovning
| Proposed standard
|
|
|
| 5266
| Secure Connectivity and Mobility Using Mobile IPv4 and IKEv2 Mobility and Multihoming (MOBIKE)
| V. Devarapalli, P. Eronen
| Best current practice
|
|
|
| 5267
| Contexts for IMAP4
| D. Cridland, C. King
| Proposed standard
|
|
RFC 5465, RFC 9394
|
| 5268
| Mobile IPv6 Fast Handovers
| R. Koodli, Ed.
| Proposed standard
|
RFC 5568
|
|
| 5269
| Distributing a Symmetric Fast Mobile IPv6 (FMIPv6) Handover Key Using SEcure Neighbor Discovery (SEND)
| J. Kempf, R. Koodli
| Proposed standard
|
|
|
| 5270
| Mobile IPv6 Fast Handovers over IEEE 802.16e Networks
| H. Jang, J. Jee, Y. Han, S. Park, J. Cha
| Informational
|
|
|
| 5271
| Mobile IPv6 Fast Handovers for 3G CDMA Networks
| H. Yokota, G. Dommety
| Informational
|
|
|
| 5272
| Certificate Management over CMS (CMC)
| J. Schaad, M. Myers
| Proposed standard
|
|
RFC 6402
|
| 5273
| Certificate Management over CMS (CMC): Transport Protocols
| J. Schaad, M. Myers
| Proposed standard
|
|
RFC 6402
|
| 5274
| Certificate Management Messages over CMS (CMC): Compliance Requirements
| J. Schaad, M. Myers
| Proposed standard
|
|
RFC 6402
|
| 5275
| CMS Symmetric Key Management and Distribution
| S. Turner
| Proposed standard
|
|
|
| 5276
| Using the Server-Based Certificate Validation Protocol (SCVP) to Convey Long-Term Evidence Records
| C. Wallace
| Proposed standard
|
|
|
| 5277
| NETCONF Event Notifications
| S. Chisholm, H. Trevino
| Proposed standard
|
|
|
| 5278
| IANA Registration of Enumservices for Voice and Video Messaging
| J. Livingood, D. Troshynski
| Proposed standard
|
|
RFC 6118
|
| 5279
| A Uniform Resource Name (URN) Namespace for the 3rd Generation Partnership Project (3GPP)
| A. Monrad, S. Loreto
| Informational
|
|
|
| 5280
| Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
| D. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk
| Proposed standard
|
|
RFC 6818, RFC 8398, RFC 8399, RFC 9549, RFC 9598, RFC 9608, RFC 9618
|
| 5281
| Extensible Authentication Protocol Tunneled Transport Layer Security Authenticated Protocol Version 0 (EAP-TTLSv0)
| P. Funk, S. Blake-Wilson
| Informational
|
|
RFC 8996, RFC 9427
|
| 5282
| Using Authenticated Encryption Algorithms with the Encrypted Payload of the Internet Key Exchange version 2 (IKEv2) Protocol
| D. Black, D. McGrew
| Proposed standard
|
|
|
| 5283
| LDP Extension for Inter-Area Label Switched Paths (LSPs)
| B. Decraene, JL. Le Roux, I. Minei
| Proposed standard
|
|
|
| 5284
| User-Defined Errors for RSVP
| G. Swallow, A. Farrel
| Proposed standard
|
|
|
| 5285
| A General Mechanism for RTP Header Extensions
| D. Singer, H. Desineni
| Proposed standard
|
RFC 8285
|
|
| 5286
| Basic Specification for IP Fast Reroute: Loop-Free Alternates
| A. Atlas, Ed., A. Zinin, Ed.
| Proposed standard
|
|
RFC 8518
|
| 5287
| Control Protocol Extensions for the Setup of Time-Division Multiplexing (TDM) Pseudowires in MPLS Networks
| A. Vainshtein, Y(J). Stein
| Proposed standard
|
|
|
| 5288
| AES Galois Counter Mode (GCM) Cipher Suites for TLS
| J. Salowey, A. Choudhury, D. McGrew
| Proposed standard
|
|
RFC 9325
|
| 5289
| TLS Elliptic Curve Cipher Suites with SHA-256/384 and AES Galois Counter Mode (GCM)
| E. Rescorla
| Proposed standard
|
|
|
| 5290
| Comments on the Usefulness of Simple Best-Effort Traffic
| S. Floyd, M. Allman
| Informational
|
|
|
| 5291
| Outbound Route Filtering Capability for BGP-4
| E. Chen, Y. Rekhter
| Proposed standard
|
|
|
| 5292
| Address-Prefix-Based Outbound Route Filter for BGP-4
| E. Chen, S. Sangli
| Proposed standard
|
|
|
| 5293
| Sieve Email Filtering: Editheader Extension
| J. Degener, P. Guenther
| Proposed standard
|
|
|
| 5294
| Host Threats to Protocol Independent Multicast (PIM)
| P. Savola, J. Lingard
| Informational
|
|
|
| 5295
| Specification for the Derivation of Root Keys from an Extended Master Session Key (EMSK)
| J. Salowey, L. Dondeti, V. Narayanan, M. Nakhjiri
| Proposed standard
|
|
|
| 5296
| EAP Extensions for EAP Re-authentication Protocol (ERP)
| V. Narayanan, L. Dondeti
| Proposed standard
|
RFC 6696
|
|
| 5297
| Synthetic Initialization Vector (SIV) Authenticated Encryption Using the Advanced Encryption Standard (AES)
| D. Harkins
| Informational
|
|
|
| 5298
| Analysis of Inter-Domain Label Switched Path (LSP) Recovery
| T. Takeda, Ed., A. Farrel, Ed., Y. Ikejiri, JP. Vasseur
| Informational
|
|
|
