RFC 4640 - Problem Statement for bootstrapping Mobile IPv6 (MIPv6)
RFC 4639 - Cable Device Management Information Base for Data-Over-Cable Service Interface Specification (DOCSIS) Compliant Cable Modems and Cable Modem Termination Systems
RFC 4638 - Accommodating a Maximum Transit Unit/Maximum Receive Unit (MTU/MRU) Greater Than 1492 in the Point-to-Point Protocol over Ethernet (PPPoE)
RFC 4636 - Foreign Agent Error Extension for Mobile IPv4
RFC 4634 - US Secure Hash Algorithms (SHA and HMAC-SHA)
RFC 4633 - Experiment in Long-Term Suspensions From Internet Engineering Task Force (IETF) Mailing Lists
RFC 4632 - Classless Inter-domain Routing (CIDR): The Internet Address Assignment and Aggregation Plan
RFC 4631 - Link Management Protocol (LMP) Management Information Base (MIB)
RFC 4630 - Update to DirectoryString Processing in the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
RFC 4623 - Pseudowire Emulation Edge-to-Edge (PWE3) Fragmentation and Reassembly
RFC 4622 - Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)
RFC 4621 - Design of the IKEv2 Mobility and Multihoming (MOBIKE) Protocol
RFC 4619 - Encapsulation Methods for Transport of Frame Relay over Multiprotocol Label Switching (MPLS) Networks
RFC 4618 - Encapsulation Methods for Transport of PPP/High-Level Data Link Control (HDLC) over MPLS Networks
RFC 4617 - A Uniform Resource Name (URN) Formal Namespace for the Latvian National Government Integration Project
RFC 4616 - The PLAIN Simple Authentication and Security Layer (SASL) Mechanism
RFC 4615 - The Advanced Encryption Standard-Cipher-based Message Authentication Code-Pseudo-Random Function-128 (AES-CMAC-PRF-128) Algorithm for the Internet Key Exchange Protocol (IKE)
RFC 4614 - A Roadmap for Transmission Control Protocol (TCP) Specification Documents
RFC 4613 - Media Type Registrations for Downloadable Sounds for Musical Instrument Digital Interface (MIDI)
RFC 4606 - Generalized Multi-Protocol Label Switching (GMPLS) Extensions for Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH) Control
RFC 4605 - Internet Group Management Protocol (IGMP) / Multicast Listener Discovery (MLD)-Based Multicast Forwarding ("IGMP/MLD Proxying")
RFC 4604 - Using Internet Group Management Protocol Version 3 (IGMPv3) and Multicast Listener Discovery Protocol Version 2 (MLDv2) for Source-Specific Multicast
RFC 4603 - Additional Values for the NAS-Port-Type Attribute
RFC 4565 - Evaluation of Candidate Control and Provisioning of Wireless Access Points (CAPWAP) Protocols
RFC 4564 - Objectives for Control and Provisioning of Wireless Access Points (CAPWAP)
RFC 4563 - The Key ID Information Type for the General Extension Payload in Multimedia Internet KEYing (MIKEY)
RFC 4562 - MAC-Forced Forwarding: A Method for Subscriber Separation on an Ethernet Access Network
RFC 4561 - Definition of a Record Route Object (RRO) Node-Id Sub-Object
RFC 4560 - Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Operations
RFC 4559 - SPNEGO-based Kerberos and NTLM HTTP Authentication in Microsoft Windows
RFC 4558 - Node-ID Based Resource Reservation Protocol (RSVP) Hello: A Clarification Statement
RFC 4557 - Online Certificate Status Protocol (OCSP) Support for Public Key Cryptography for Initial Authentication in Kerberos (PKINIT)
RFC 4556 - Public Key Cryptography for Initial Authentication in Kerberos (PKINIT)
RFC 4555 - IKEv2 Mobility and Multihoming Protocol (MOBIKE)
RFC 4554 - Use of VLANs for IPv4-IPv6 Coexistence in Enterprise Networks
RFC 4553 - Structure-Agnostic Time Division Multiplexing (TDM) over Packet (SAToP)
RFC 4552 - Authentication/Confidentiality for OSPFv3
RFC 4551 - IMAP Extension for Conditional STORE Operation or Quick Flag Changes Resynchronization
RFC 4550 - Internet Email to Support Diverse Service Environments (Lemonade) Profile
RFC 4549 - Synchronization Operations for Disconnected IMAP4 Clients
RFC 4548 - Internet Code Point (ICP) Assignments for NSAP Addresses
RFC 4547 - Event Notification Management Information Base for Data over Cable Service Interface Specifications (DOCSIS)-Compliant Cable Modems and Cable Modem Termination Systems
RFC 4546 - Radio Frequency (RF) Interface Management Information Base for Data over Cable Service Interface Specifications (DOCSIS) 2.0 Compliant RF Interfaces
RFC 4545 - Definitions of Managed Objects for IP Storage User Identity Authorization
RFC 4544 - Definitions of Managed Objects for Internet Small Computer System Interface (iSCSI)
RFC 4543 - The Use of Galois Message Authentication Code (GMAC) in IPsec ESP and AH
RFC 4542 - Implementing an Emergency Telecommunications Service (ETS) for Real-Time Services in the Internet Protocol Suite
RFC 4541 - Considerations for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping Switches
RFC 4492 - Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS)
RFC 4491 - Using the GOST R 34.10-94, GOST R 34.10-2001, and GOST R 34.11-94 Algorithms with the Internet X.509 Public Key Infrastructure Certificate and CRL Profile
RFC 4490 - Using the GOST 28147-89, GOST R 34.11-94, GOST R 34.10-94, and GOST R 34.10-2001 Algorithms with Cryptographic Message Syntax (CMS)
RFC 4489 - A Method for Generating Link-Scoped IPv6 Multicast Addresses
RFC 4405 - SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
RFC 4404 - Definitions of Managed Objects for Fibre Channel Over TCP/IP (FCIP)
RFC 4403 - Lightweight Directory Access Protocol (LDAP) Schema for Universal Description, Discovery, and Integration version 3 (UDDIv3)
RFC 4402 - A Pseudo-Random Function (PRF) for the Kerberos V Generic Security Service Application Program Interface (GSS-API) Mechanism
RFC 4401 - A Pseudo-Random Function (PRF) API Extension for the Generic Security Service Application Program Interface (GSS-API)
RFC 4398 - Storing Certificates in the Domain Name System (DNS)
RFC 4397 - A Lexicography for the Interpretation of Generalized Multiprotocol Label Switching (GMPLS) Terminology within the Context of the ITU-T's Automatically Switched Optical Network (ASON) Architecture
RFC 4396 - RTP Payload Format for 3rd Generation Partnership Project (3GPP) Timed Text
RFC 4395 - Guidelines and Registration Procedures for New URI Schemes
RFC 4394 - A Transport Network View of the Link Management Protocol (LMP)
RFC 4393 - MIME Type Registrations for 3GPP2 Multimedia Files
RFC 4392 - IP over InfiniBand (IPoIB) Architecture
RFC 4391 - Transmission of IP over InfiniBand (IPoIB)
RFC 4390 - Dynamic Host Configuration Protocol (DHCP) over InfiniBand
RFC 4359 - The Use of RSA/SHA-1 Signatures within Encapsulating Security Payload (ESP) and Authentication Header (AH)
RFC 4358 - A Uniform Resource Name (URN) Namespace for the Open Mobile Alliance (OMA)
RFC 4357 - Additional Cryptographic Algorithms for Use with GOST 28147-89, GOST R 34.10-94, GOST R 34.10-2001, and GOST R 34.11-94 Algorithms
RFC 4356 - Mapping Between the Multimedia Messaging Service (MMS) and Internet Mail
RFC 4355 - IANA Registration for Enumservices email, fax, mms, ems, and sms
RFC 4354 - A Session Initiation Protocol (SIP) Event Package and Data Format for Various Settings in Support for the Push-to-Talk over Cellular (PoC) Service
RFC 4353 - A Framework for Conferencing with the Session Initiation Protocol (SIP)
RFC 4352 - RTP Payload Format for the Extended Adaptive Multi-Rate Wideband (AMR-WB+) Audio Codec
RFC 4351 - Real-Time Transport Protocol (RTP) Payload for Text Conversation Interleaved in an Audio Stream
RFC 4350 - A Uniform Resource Name (URN) Formal Namespace for the New Zealand Government
RFC 4349 - High-Level Data Link Control (HDLC) Frames over Layer 2 Tunneling Protocol, Version 3 (L2TPv3)
RFC 4348 - Real-Time Transport Protocol (RTP) Payload Format for the Variable-Rate Multimode Wideband (VMR-WB) Audio Codec
RFC 4323 - Data Over Cable System Interface Specification Quality of Service Management Information Base (DOCSIS-QoS MIB)
RFC 4322 - Opportunistic Encryption using the Internet Key Exchange (IKE)
RFC 4321 - Problems Identified Associated with the Session Initiation Protocol's (SIP) Non-INVITE Transaction
RFC 4320 - Actions Addressing Identified Issues with the Session Initiation Protocol's (SIP) Non-INVITE Transaction
RFC 4319 - Definitions of Managed Objects for High Bit-Rate DSL - 2nd generation (HDSL2) and Single-Pair High-Speed Digital Subscriber Line (SHDSL) Lines
RFC 4318 - Definitions of Managed Objects for Bridges with Rapid Spanning Tree Protocol
RFC 4314 - IMAP4 Access Control List (ACL) Extension
RFC 4313 - Requirements for Distributed Control of Automatic Speech Recognition (ASR), Speaker Identification/Speaker Verification (SI/SV), and Text-to-Speech (TTS) Resources
RFC 4312 - The Camellia Cipher Algorithm and Its Use With IPsec
RFC 4304 - Extended Sequence Number (ESN) Addendum to IPsec Domain of Interpretation (DOI) for Internet Security Association and Key Management Protocol (ISAKMP)
RFC 4303 - IP Encapsulating Security Payload (ESP)
RFC 4263 - Media Subtype Registration for Media Type text/troff
RFC 4262 - X.509 Certificate Extension for Secure/Multipurpose Internet Mail Extensions (S/MIME) Capabilities
RFC 4261 - Common Open Policy Service (COPS) Over Transport Layer Security (TLS)
RFC 4260 - Mobile IPv6 Fast Handovers for 802.11 Networks
RFC 4259 - A Framework for Transmission of IP Datagrams over MPEG-2 Networks
RFC 4258 - Requirements for Generalized Multi-Protocol Label Switching (GMPLS) Routing for the Automatically Switched Optical Network (ASON)
RFC 4257 - Framework for Generalized Multi-Protocol Label Switching (GMPLS)-based Control of Synchronous Digital Hierarchy/Synchronous Optical Networking (SDH/SONET) Networks
RFC 4256 - Generic Message Exchange Authentication for the Secure Shell Protocol (SSH)
RFC 4255 - Using DNS to Securely Publish Secure Shell (SSH) Key Fingerprints
RFC 4254 - The Secure Shell (SSH) Connection Protocol
RFC 4253 - The Secure Shell (SSH) Transport Layer Protocol
RFC 4252 - The Secure Shell (SSH) Authentication Protocol
RFC 4251 - The Secure Shell (SSH) Protocol Architecture
RFC 4250 - The Secure Shell (SSH) Protocol Assigned Numbers
RFC 4249 - Implementer-Friendly Specification of Message and MIME-Part Header Fields and Field Components
RFC 4145 - TCP-Based Media Transport in the Session Description Protocol (SDP)
RFC 4144 - How to Gain Prominence and Influence in Standards Organizations
RFC 4143 - Facsimile Using Internet Mail (IFAX) Service of ENUM
RFC 4142 - Full-mode Fax Profile for Internet Mail (FFPIM)
RFC 4141 - SMTP and MIME Extensions for Content Conversion
RFC 4140 - Hierarchical Mobile IPv6 Mobility Management (HMIPv6)
RFC 4139 - Requirements for Generalized MPLS (GMPLS) Signaling Usage and Extensions for Automatically Switched Optical Network (ASON)
RFC 4138 - Forward RTO-Recovery (F-RTO): An Algorithm for Detecting Spurious Retransmission Timeouts with TCP and the Stream Control Transmission Protocol (SCTP)
RFC 4137 - State Machines for Extensible Authentication Protocol (EAP) Peer and Authenticator
RFC 4136 - OSPF Refresh and Flooding Reduction in Stable Topologies
RFC 4135 - Goals of Detecting Network Attachment in IPv6
RFC 4132 - Addition of Camellia Cipher Suites to Transport Layer Security (TLS)
RFC 4131 - Management Information Base for Data Over Cable Service Interface Specification (DOCSIS) Cable Modems and Cable Modem Termination Systems for Baseline Privacy Plus
RFC 4130 - MIME-Based Secure Peer-to-Peer Business Data Interchange Using HTTP, Applicability Statement 2 (AS2)
RFC 4129 - Digital Private Network Signaling System (DPNSS)/Digital Access Signaling System 2 (DASS 2) Extensions to the IUA Protocol
RFC 4071 - Structure of the IETF Administrative Support Activity (IASA)
RFC 4070 - Definitions of Managed Object Extensions for Very High Speed Digital Subscriber Lines (VDSL) Using Multiple Carrier Modulation (MCM) Line Coding
RFC 4069 - Definitions of Managed Object Extensions for Very High Speed Digital Subscriber Lines (VDSL) Using Single Carrier Modulation (SCM) Line Coding
RFC 4065 - Instructions for Seamoby and Experimental Mobility Protocol IANA Allocations
RFC 4064 - Experimental Message, Extensions, and Error Codes for Mobile IPv4
RFC 4063 - Considerations When Using Basic OSPF Convergence Benchmarks
RFC 4062 - OSPF Benchmarking Terminology and Concepts
RFC 4061 - Benchmarking Basic OSPF Single Router Control Plane Convergence
RFC 4060 - RTP Payload Formats for European Telecommunications Standards Institute (ETSI) European Standard ES 202 050, ES 202 211, and ES 202 212 Distributed Speech Recognition Encoding
RFC 4059 - Internet X.509 Public Key Infrastructure Warranty Certificate Extension
RFC 4058 - Protocol for Carrying Authentication for Network Access (PANA) Requirements
RFC 4056 - Use of the RSASSA-PSS Signature Algorithm in Cryptographic Message Syntax (CMS)
RFC 4055 - Additional Algorithms and Identifiers for RSA Cryptography for use in the Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
RFC 4054 - Impairments and Other Constraints on Optical Layer Routing
RFC 4053 - Procedures for Handling Liaison Statements to and from the IETF
RFC 4052 - IAB Processes for Management of IETF Liaison Relationships
RFC 4051 - Additional XML Security Uniform Resource Identifiers (URIs)
RFC 4050 - Using the Elliptic Curve Signature Algorithm (ECDSA) for XML Digital Signatures
RFC 4049 - BinaryTime: An Alternate Format for Representing Date and Time in ASN.1
RFC 4036 - Management Information Base for Data Over Cable Service Interface Specification (DOCSIS) Cable Modem Termination Systems for Subscriber Management
RFC 4035 - Protocol Modifications for the DNS Security Extensions
RFC 4034 - Resource Records for the DNS Security Extensions
RFC 4033 - DNS Security Introduction and Requirements
RFC 4032 - Update to the Session Initiation Protocol (SIP) Preconditions Framework
RFC 4031 - Service Requirements for Layer 3 Provider Provisioned Virtual Private Networks (PPVPNs)
RFC 4030 - The Authentication Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option
RFC 4029 - Scenarios and Analysis for Introducing IPv6 into ISP Networks
RFC 4028 - Session Timers in the Session Initiation Protocol (SIP)
RFC 4014 - Remote Authentication Dial-In User Service (RADIUS) Attributes Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Information Option
RFC 4013 - SASLprep: Stringprep Profile for User Names and Passwords
RFC 4012 - Routing Policy Specification Language next generation (RPSLng)
RFC 3969 - The Internet Assigned Number Authority (IANA) Uniform Resource Identifier (URI) Parameter Registry for the Session Initiation Protocol (SIP)
RFC 3968 - The Internet Assigned Number Authority (IANA) Header Field Parameter Registry for the Session Initiation Protocol (SIP)
RFC 3967 - Clarifying when Standards Track Documents may Refer Normatively to Documents at a Lower Level
