| 4951 | Fail Over Extensions for Layer 2 Tunneling Protocol (L2TP) "failover"V. Jain, Ed. | Proposed Standard | August 2007 |
| 4952 | Overview and Framework for Internationalized EmailJ. Klensin, Y. Ko · obsoleted by RFC 6530 | Informational | July 2007 |
| 4953 | Defending TCP Against Spoofing AttacksJ. Touch | Informational | July 2007 |
| 4954 | SMTP Service Extension for AuthenticationR. Siemborski, Ed., A. Melnikov, Ed. | Proposed Standard | July 2007 |
| 4955 | DNS Security (DNSSEC) ExperimentsD. Blacka | Proposed Standard | July 2007 |
| 4956 | DNS Security (DNSSEC) Opt-InR. Arends, M. Kosters, D. Blacka | Experimental | July 2007 |
| 4957 | Link-Layer Event Notifications for Detecting Network AttachmentsS. Krishnan, Ed., N. Montavont, E. Njedjou, S. Veerepalli, A. Yegin, Ed. | Informational | August 2007 |
| 4958 | A Framework for Supporting Emergency Telecommunications Services (ETS) within a Single Administrative DomainK. Carlberg | Informational | July 2007 |
| 4959 | IMAP Extension for Simple Authentication and Security Layer (SASL) Initial Client ResponseR. Siemborski, A. Gulbrandsen | Proposed Standard | September 2007 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 4961 | Symmetric RTP / RTP Control Protocol (RTCP)D. Wing | Best Current Practice | July 2007 |
| 4962 | Guidance for Authentication, Authorization, and Accounting (AAA) Key ManagementR. Housley, B. Aboba | Best Current Practice | July 2007 |
| 4963 | IPv4 Reassembly Errors at High Data RatesJ. Heffner, M. Mathis, B. Chandler | Informational | July 2007 |
| 4964 | The P-Answer-State Header Extension to the Session Initiation Protocol for the Open Mobile Alliance Push to Talk over CellularA. Allen, Ed., J. Holm, T. Hallin | Informational | September 2007 |
| 4965 | CableLabs - IETF Standardization CollaborationJ-F. Mule, W. Townsley | Informational | September 2007 |
| 4966 | Reasons to Move the Network Address Translator - Protocol Translator (NAT-PT) to Historic StatusC. Aoun, E. Davies | Informational | July 2007 |
| 4967 | Dial String Parameter for the Session Initiation Protocol Uniform Resource IdentifierB. Rosen | Proposed Standard | July 2007 |
| 4968 | Analysis of IPv6 Link Models for 802.16 Based NetworksS. Madanapalli, Ed. | Informational | August 2007 |
| 4969 | IANA Registration for vCard EnumserviceA. Mayrhofer | Proposed Standard | August 2007 |
| 4970 | Extensions to OSPF for Advertising Optional Router CapabilitiesA. Lindem, Ed., N. Shen, JP. Vasseur, R. Aggarwal, S. Shaffer · obsoleted by RFC 7770 | Proposed Standard | July 2007 |
| 4971 | Intermediate System to Intermediate System (IS-IS) Extensions for Advertising Router InformationJP. Vasseur, Ed., N. Shen, Ed., R. Aggarwal, Ed. · obsoleted by RFC 7981 | Proposed Standard | July 2007 |
| 4972 | Routing Extensions for Discovery of Multiprotocol (MPLS) Label Switch Router (LSR) Traffic Engineering (TE) Mesh MembershipJP. Vasseur, Ed., JL. Leroux, Ed., S. Yasukawa, S. Previdi, P. Psenak, P. Mabbey | Proposed Standard | July 2007 |
| 4973 | OSPF-xTE: Experimental Extension to OSPF for Traffic EngineeringP. Srisuresh, P. Joseph | Experimental | July 2007 |
| 4974 | Generalized MPLS (GMPLS) RSVP-TE Signaling Extensions in Support of CallsD. Papadimitriou, A. Farrel | Proposed Standard | August 2007 |
| 4975 | The Message Session Relay Protocol (MSRP)B. Campbell, Ed., R. Mahy, Ed., C. Jennings, Ed. | Proposed Standard | September 2007 |
| 4976 | Relay Extensions for the Message Sessions Relay Protocol (MSRP)C. Jennings, R. Mahy, A. B. Roach | Proposed Standard | September 2007 |
| 4977 | Problem Statement: Dual Stack MobilityG. Tsirtsis, H. Soliman | Informational | August 2007 |
| 4978 | The IMAP COMPRESS ExtensionA. Gulbrandsen | Proposed Standard | August 2007 |
| 4979 | IANA Registration for Enumservice 'XMPP'A. Mayrhofer | Proposed Standard | August 2007 |
| 4980 | Analysis of Multihoming in Network Mobility SupportC. Ng, T. Ernst, E. Paik, M. Bagnulo | Informational | October 2007 |
| 4981 | Survey of Research towards Robust Peer-to-Peer Networks: Search MethodsJ. Risson, T. Moors | Informational | September 2007 |
| 4982 | Support for Multiple Hash Algorithms in Cryptographically Generated Addresses (CGAs)M. Bagnulo, J. Arkko | Proposed Standard | July 2007 |
| 4983 | Fibre Channel Registered State Change Notification (RSCN) MIBC. DeSanti, H.K. Vivek, K. McCloghrie, S. Gai | Proposed Standard | August 2007 |
| 4984 | Report from the IAB Workshop on Routing and AddressingD. Meyer, Ed., L. Zhang, Ed., K. Fall, Ed. | Informational | September 2007 |
| 4985 | Internet X.509 Public Key Infrastructure Subject Alternative Name for Expression of Service NameS. Santesson | Proposed Standard | August 2007 |
| 4986 | Requirements Related to DNS Security (DNSSEC) Trust Anchor RolloverH. Eland, R. Mundy, S. Crocker, S. Krishnaswamy | Informational | August 2007 |
| 4987 | TCP SYN Flooding Attacks and Common MitigationsW. Eddy | Informational | August 2007 |
| 4988 | Mobile IPv4 Fast HandoversR. Koodli, C. Perkins | Experimental | October 2007 |
| 4990 | Use of Addresses in Generalized Multiprotocol Label Switching (GMPLS) NetworksK. Shiomoto, R. Papneja, R. Rabbat | Informational | September 2007 |
| 4991 | A Common Schema for Internet Registry Information Service Transfer ProtocolsA. Newton | Proposed Standard | August 2007 |
| 4992 | XML Pipelining with Chunks for the Internet Registry Information ServiceA. Newton | Proposed Standard | August 2007 |
| 4993 | A Lightweight UDP Transfer Protocol for the Internet Registry Information ServiceA. Newton | Proposed Standard | August 2007 |
| 4994 | DHCPv6 Relay Agent Echo Request OptionS. Zeng, B. Volz, K. Kinnear, J. Brzozowski | Proposed Standard | September 2007 |
| 4995 | The RObust Header Compression (ROHC) FrameworkL-E. Jonsson, G. Pelletier, K. Sandlund · obsoleted by RFC 5795 | Proposed Standard | July 2007 |
| 4996 | RObust Header Compression (ROHC): A Profile for TCP/IP (ROHC-TCP)G. Pelletier, K. Sandlund, L-E. Jonsson, M. West · obsoleted by RFC 6846 | Proposed Standard | July 2007 |
| 4997 | Formal Notation for RObust Header Compression (ROHC-FN)R. Finking, G. Pelletier | Proposed Standard | July 2007 |
| 4998 | Evidence Record Syntax (ERS)T. Gondrom, R. Brandner, U. Pordesch | Proposed Standard | August 2007 |
| 5000 | Internet Official Protocol StandardsRFC Editor · obsoleted by RFC 7100 | Historic | May 2008 |
| 5001 | DNS Name Server Identifier (NSID) OptionR. Austein | Proposed Standard | August 2007 |
| 5002 | The Session Initiation Protocol (SIP) P-Profile-Key Private Header (P-Header)G. Camarillo, G. Blanco | Informational | August 2007 |
| 5003 | Attachment Individual Identifier (AII) Types for AggregationC. Metz, L. Martini, F. Balus, J. Sugimoto | Proposed Standard | September 2007 |
| 5004 | Avoid BGP Best Path Transitions from One External to AnotherE. Chen, S. Sangli | Proposed Standard | September 2007 |
| 5005 | Feed Paging and ArchivingM. Nottingham | Proposed Standard | September 2007 |
| 5006 | IPv6 Router Advertisement Option for DNS ConfigurationJ. Jeong, Ed., S. Park, L. Beloeil, S. Madanapalli · obsoleted by RFC 6106 | Experimental | September 2007 |
| 5007 | DHCPv6 LeasequeryJ. Brzozowski, K. Kinnear, B. Volz, S. Zeng | Proposed Standard | September 2007 |
| 5008 | Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)R. Housley, J. Solinas · obsoleted by RFC 6318 | Historic | September 2007 |
| 5009 | Private Header (P-Header) Extension to the Session Initiation Protocol (SIP) for Authorization of Early MediaR. Ejzak | Informational | September 2007 |
| 5010 | The Dynamic Host Configuration Protocol Version 4 (DHCPv4) Relay Agent Flags SuboptionK. Kinnear, M. Normoyle, M. Stapp | Proposed Standard | September 2007 |
| 5011 | Automated Updates of DNS Security (DNSSEC) Trust AnchorsM. StJohns | Internet Standard | September 2007 |
| 5012 | Requirements for Emergency Context Resolution with Internet TechnologiesH. Schulzrinne, R. Marshall, Ed. | Informational | January 2008 |
| 5013 | The Dublin Core Metadata Element SetJ. Kunze, T. Baker | Informational | August 2007 |
| 5014 | IPv6 Socket API for Source Address SelectionE. Nordmark, S. Chakrabarti, J. Laganier | Informational | September 2007 |
| 5015 | Bidirectional Protocol Independent Multicast (BIDIR-PIM)M. Handley, I. Kouvelas, T. Speakman, L. Vicisano | Proposed Standard | October 2007 |
| 5016 | Requirements for a DomainKeys Identified Mail (DKIM) Signing Practices ProtocolM. Thomas | Informational | October 2007 |
| 5017 | MIB Textual Conventions for Uniform Resource Identifiers (URIs)D. McWalter, Ed. | Proposed Standard | September 2007 |
| 5018 | Connection Establishment in the Binary Floor Control Protocol (BFCP)G. Camarillo | Proposed Standard | September 2007 |
| 5019 | The Lightweight Online Certificate Status Protocol (OCSP) Profile for High-Volume EnvironmentsA. Deacon, R. Hurst · obsoleted by RFC 9919 | Proposed Standard | September 2007 |
| 5020 | The Lightweight Directory Access Protocol (LDAP) entryDN Operational AttributeK. Zeilenga | Proposed Standard | August 2007 |
| 5021 | Extended Kerberos Version 5 Key Distribution Center (KDC) Exchanges over TCPS. Josefsson | Proposed Standard | August 2007 |
| 5022 | Media Server Control Markup Language (MSCML) and ProtocolJ. Van Dyke, E. Burger, Ed., A. Spitzer | Informational | September 2007 |
| 5023 | The Atom Publishing ProtocolJ. Gregorio, Ed., B. de hOra, Ed. | Proposed Standard | October 2007 |
| 5024 | ODETTE File Transfer Protocol 2.0I. Friend | Informational | November 2007 |
| 5025 | Presence Authorization RulesJ. Rosenberg | Proposed Standard | December 2007 |
| 5026 | Mobile IPv6 Bootstrapping in Split ScenarioG. Giaretta, Ed., J. Kempf, V. Devarapalli, Ed. | Proposed Standard | October 2007 |
| 5027 | Security Preconditions for Session Description Protocol (SDP) Media StreamsF. Andreasen, D. Wing | Proposed Standard | October 2007 |
| 5028 | A Telephone Number Mapping (ENUM) Service Registration for Instant Messaging (IM) ServicesR. Mahy | Proposed Standard | October 2007 |
| 5029 | Definition of an IS-IS Link Attribute Sub-TLVJP. Vasseur, S. Previdi | Proposed Standard | September 2007 |
| 5030 | Mobile IPv4 RADIUS RequirementsM. Nakhjiri, Ed., K. Chowdhury, A. Lior, K. Leung | Informational | October 2007 |
| 5031 | A Uniform Resource Name (URN) for Emergency and Other Well-Known ServicesH. Schulzrinne | Proposed Standard | January 2008 |
| 5032 | WITHIN Search Extension to the IMAP ProtocolE. Burger, Ed. | Proposed Standard | September 2007 |
| 5033 | Specifying New Congestion Control AlgorithmsS. Floyd, M. Allman · obsoleted by RFC 9743 | Best Current Practice | August 2007 |
| 5034 | The Post Office Protocol (POP3) Simple Authentication and Security Layer (SASL) Authentication MechanismR. Siemborski, A. Menon-Sen | Proposed Standard | July 2007 |
| 5035 | Enhanced Security Services (ESS) Update: Adding CertID Algorithm AgilityJ. Schaad | Proposed Standard | August 2007 |
| 5036 | LDP SpecificationL. Andersson, Ed., I. Minei, Ed., B. Thomas, Ed. | Draft Standard | October 2007 |
| 5037 | Experience with the Label Distribution Protocol (LDP)L. Andersson, Ed., I. Minei, Ed., B. Thomas, Ed. | Informational | October 2007 |
| 5038 | The Label Distribution Protocol (LDP) Implementation Survey ResultsB. Thomas, L. Andersson | Informational | October 2007 |
| 5039 | The Session Initiation Protocol (SIP) and SpamJ. Rosenberg, C. Jennings | Informational | January 2008 |
| 5040 | A Remote Direct Memory Access Protocol SpecificationR. Recio, B. Metzler, P. Culley, J. Hilland, D. Garcia | Proposed Standard | October 2007 |
| 5041 | Direct Data Placement over Reliable TransportsH. Shah, J. Pinkerton, R. Recio, P. Culley | Proposed Standard | October 2007 |
| 5042 | Direct Data Placement Protocol (DDP) / Remote Direct Memory Access Protocol (RDMAP) SecurityJ. Pinkerton, E. Deleganes | Proposed Standard | October 2007 |
| 5043 | Stream Control Transmission Protocol (SCTP) Direct Data Placement (DDP) AdaptationC. Bestler, Ed., R. Stewart, Ed. | Proposed Standard | October 2007 |
| 5044 | Marker PDU Aligned Framing for TCP SpecificationP. Culley, U. Elzur, R. Recio, S. Bailey, J. Carrier | Proposed Standard | October 2007 |
| 5045 | Applicability of Remote Direct Memory Access Protocol (RDMA) and Direct Data Placement (DDP)C. Bestler, Ed., L. Coene | Informational | October 2007 |
| 5046 | Internet Small Computer System Interface (iSCSI) Extensions for Remote Direct Memory Access (RDMA)M. Ko, M. Chadalapaka, J. Hufferd, U. Elzur, H. Shah, P. Thaler · obsoleted by RFC 7145 | Proposed Standard | October 2007 |
| 5047 | DA: Datamover Architecture for the Internet Small Computer System Interface (iSCSI)M. Chadalapaka, J. Hufferd, J. Satran, H. Shah | Informational | October 2007 |
| 5048 | Internet Small Computer System Interface (iSCSI) Corrections and ClarificationsM. Chadalapaka, Ed. · obsoleted by RFC 7143 | Proposed Standard | October 2007 |
| 5049 | Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP)C. Bormann, Z. Liu, R. Price, G. Camarillo, Ed. | Proposed Standard | December 2007 |