Request For Comments storage

List of RFC 4201-4500

RFC4201: Link Bundling in MPLS Traffic Engineering (TE)
RFC4202: Routing Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)
RFC4203: OSPF Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)
RFC4204: Link Management Protocol (LMP)
RFC4205: Intermediate System to Intermediate System (IS-IS) Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)
RFC4206: Label Switched Paths (LSP) Hierarchy with Generalized Multi-Protocol Label Switching (GMPLS) Traffic Engineering (TE)
RFC4207: Synchronous Optical Network (SONET)/Synchronous Digital Hierarchy (SDH) Encoding for Link Management Protocol (LMP) Test Messages
RFC4208: Generalized Multiprotocol Label Switching (GMPLS) User-Network Interface (UNI): Resource ReserVation Protocol-Traffic Engineering (RSVP-TE) Support for the Overlay Model
RFC4209: Link Management Protocol (LMP) for Dense Wavelength Division Multiplexing (DWDM) Optical Line Systems
RFC4210: Internet X.509 Public Key Infrastructure Certificate Management Protocol (CMP)
RFC4211: Internet X.509 Public Key Infrastructure Certificate Request Message Format (CRMF)
RFC4212: Alternative Certificate Formats for the Public-Key Infrastructure Using X.509 (PKIX) Certificate Management Protocols
RFC4213: Basic Transition Mechanisms for IPv6 Hosts and Routers
RFC4214: Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)
RFC4215: Analysis on IPv6 Transition in Third Generation Partnership Project (3GPP) Networks
RFC4216: MPLS Inter-Autonomous System (AS) Traffic Engineering (TE) Requirements
RFC4217: Securing FTP with TLS
RFC4218: Threats Relating to IPv6 Multihoming Solutions
RFC4219: Things Multihoming in IPv6 (MULTI6) Developers Should Think About
RFC4220: Traffic Engineering Link Management Information Base
RFC4221: Multiprotocol Label Switching (MPLS) Management Overview
RFC4222: Prioritized Treatment of Specific OSPF Version 2 Packets and Congestion Avoidance
RFC4223: Reclassification of RFC 1863 to Historic
RFC4224: RObust Header Compression (ROHC): ROHC over Channels That Can Reorder Packets
RFC4225: Mobile IP Version 6 Route Optimization Security Design Background
RFC4226: HOTP: An HMAC-Based One-Time Password Algorithm
RFC4227: Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP)
RFC4228: Requirements for an IETF Draft Submission Toolset
RFC4229: HTTP Header Field Registrations
RFC4230: RSVP Security Properties
RFC4231: Identifiers and Test Vectors for HMAC-SHA-224, HMAC-SHA-256, HMAC-SHA-384, and HMAC-SHA-512
RFC4233: Integrated Services Digital Network (ISDN) Q.921-User Adaptation Layer
RFC4234: Augmented BNF for Syntax Specifications: ABNF
RFC4235: An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)
RFC4236: HTTP Adaptation with Open Pluggable Edge Services (OPES)
RFC4237: Voice Messaging Directory Service
RFC4238: Voice Message Routing Service
RFC4239: Internet Voice Messaging (IVM)
RFC4240: Basic Network Media Services with SIP
RFC4241: A Model of IPv6/IPv4 Dual Stack Internet Access Service
RFC4242: Information Refresh Time Option for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
RFC4243: Vendor-Specific Information Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option
RFC4244: An Extension to the Session Initiation Protocol (SIP) for Request History Information
RFC4245: High-Level Requirements for Tightly Coupled SIP Conferencing
RFC4246: International Standard Audiovisual Number (ISAN) URN Definition
RFC4247: Requirements for Header Compression over MPLS
RFC4248: The telnet URI Scheme
RFC4249: Implementer-Friendly Specification of Message and MIME-Part Header Fields and Field Components
RFC4250: The Secure Shell (SSH) Protocol Assigned Numbers
RFC4251: The Secure Shell (SSH) Protocol Architecture
RFC4252: The Secure Shell (SSH) Authentication Protocol
RFC4253: The Secure Shell (SSH) Transport Layer Protocol
RFC4254: The Secure Shell (SSH) Connection Protocol
RFC4255: Using DNS to Securely Publish Secure Shell (SSH) Key Fingerprints
RFC4256: Generic Message Exchange Authentication for the Secure Shell Protocol (SSH)
RFC4257: Framework for Generalized Multi-Protocol Label Switching (GMPLS)-based Control of Synchronous Digital Hierarchy/Synchronous Optical Networking (SDH/SONET) Networks
RFC4258: Requirements for Generalized Multi-Protocol Label Switching (GMPLS) Routing for the Automatically Switched Optical Network (ASON)
RFC4259: A Framework for Transmission of IP Datagrams over MPEG-2 Networks
RFC4260: Mobile IPv6 Fast Handovers for 802.11 Networks
RFC4261: Common Open Policy Service (COPS) Over Transport Layer Security (TLS)
RFC4262: X.509 Certificate Extension for Secure/Multipurpose Internet Mail Extensions (S/MIME) Capabilities
RFC4263: Media Subtype Registration for Media Type text/troff
RFC4264: BGP Wedgies
RFC4265: Definition of Textual Conventions for Virtual Private Network (VPN) Management
RFC4266: The gopher URI Scheme
RFC4267: The W3C Speech Interface Framework Media Types: application/voicexml+xml, application/ssml+xml, application/srgs, application/srgs+xml, application/ccxml+xml, and application/pls+xml
RFC4268: Entity State MIB
RFC4269: The SEED Encryption Algorithm
RFC4270: Attacks on Cryptographic Hashes in Internet Protocols
RFC4271: A Border Gateway Protocol 4 (BGP-4)
RFC4272: BGP Security Vulnerabilities Analysis
RFC4273: Definitions of Managed Objects for BGP-4
RFC4274: BGP-4 Protocol Analysis
RFC4275: BGP-4 MIB Implementation Survey
RFC4276: BGP-4 Implementation Report
RFC4277: Experience with the BGP-4 Protocol
RFC4278: Standards Maturity Variance Regarding the TCP MD5 Signature Option (RFC 2385) and the BGP-4 Specification
RFC4279: Pre-Shared Key Ciphersuites for Transport Layer Security (TLS)
RFC4280: Dynamic Host Configuration Protocol (DHCP) Options for Broadcast and Multicast Control Servers
RFC4281: The Codecs Parameter for "Bucket" Media Types
RFC4282: The Network Access Identifier
RFC4283: Mobile Node Identifier Option for Mobile IPv6 (MIPv6)
RFC4284: Identity Selection Hints for the Extensible Authentication Protocol (EAP)
RFC4285: Authentication Protocol for Mobile IPv6
RFC4286: Multicast Router Discovery
RFC4287: The Atom Syndication Format
RFC4288: Media Type Specifications and Registration Procedures
RFC4289: Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures
RFC4290: Suggested Practices for Registration of Internationalized Domain Names (IDN)
RFC4291: IP Version 6 Addressing Architecture
RFC4292: IP Forwarding Table MIB
RFC4293: Management Information Base for the Internet Protocol (IP)
RFC4294: IPv6 Node Requirements
RFC4295: Mobile IPv6 Management Information Base
RFC4296: The Architecture of Direct Data Placement (DDP) and Remote Direct Memory Access (RDMA) on Internet Protocols
RFC4297: Remote Direct Memory Access (RDMA) over IP Problem Statement
RFC4298: RTP Payload Format for BroadVoice Speech Codecs
RFC4301: Security Architecture for the Internet Protocol
RFC4302: IP Authentication Header
RFC4303: IP Encapsulating Security Payload (ESP)
RFC4304: Extended Sequence Number (ESN) Addendum to IPsec Domain of Interpretation (DOI) for Internet Security Association and Key Management Protocol (ISAKMP)
RFC4305: Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)
RFC4306: Internet Key Exchange (IKEv2) Protocol
RFC4307: Cryptographic Algorithms for Use in the Internet Key Exchange Version 2 (IKEv2)
RFC4308: Cryptographic Suites for IPsec
RFC4309: Using Advanced Encryption Standard (AES) CCM Mode with IPsec Encapsulating Security Payload (ESP)
RFC4310: Domain Name System (DNS) Security Extensions Mapping for the Extensible Provisioning Protocol (EPP)
RFC4311: IPv6 Host-to-Router Load Sharing
RFC4312: The Camellia Cipher Algorithm and Its Use With IPsec
RFC4313: Requirements for Distributed Control of Automatic Speech Recognition (ASR), Speaker Identification/Speaker Verification (SI/SV), and Text-to-Speech (TTS) Resources
RFC4314: IMAP4 Access Control List (ACL) Extension
RFC4315: Internet Message Access Protocol (IMAP) - UIDPLUS extension
RFC4316: Datatypes for Web Distributed Authoring and Versioning (WebDAV) Properties
RFC4317: Session Description Protocol (SDP) Offer/Answer Examples
RFC4318: Definitions of Managed Objects for Bridges with Rapid Spanning Tree Protocol
RFC4319: Definitions of Managed Objects for High Bit-Rate DSL - 2nd generation (HDSL2) and Single-Pair High-Speed Digital Subscriber Line (SHDSL) Lines
RFC4320: Actions Addressing Identified Issues with the Session Initiation Protocol's (SIP) Non-INVITE Transaction
RFC4321: Problems Identified Associated with the Session Initiation Protocol's (SIP) Non-INVITE Transaction
RFC4322: Opportunistic Encryption using the Internet Key Exchange (IKE)
RFC4323: Data Over Cable System Interface Specification Quality of Service Management Information Base (DOCSIS-QoS MIB)
RFC4324: Calendar Access Protocol (CAP)
RFC4325: Internet X.509 Public Key Infrastructure Authority Information Access Certificate Revocation List (CRL) Extension
RFC4326: Unidirectional Lightweight Encapsulation (ULE) for Transmission of IP Datagrams over an MPEG-2 Transport Stream (TS)
RFC4327: Link Management Protocol (LMP) Management Information Base (MIB)
RFC4328: Generalized Multi-Protocol Label Switching (GMPLS) Signaling Extensions for G.709 Optical Transport Networks Control
RFC4329: Scripting Media Types
RFC4330: Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI
RFC4331: Quota and Size Properties for Distributed Authoring and Versioning (DAV) Collections
RFC4332: Cisco's Mobile IPv4 Host Configuration Extensions
RFC4333: The IETF Administrative Oversight Committee (IAOC) Member Selection Guidelines and Process
RFC4334: Certificate Extensions and Attributes Supporting Authentication in Point-to-Point Protocol (PPP) and Wireless Local Area Networks (WLAN)
RFC4335: The Secure Shell (SSH) Session Channel Break Extension
RFC4336: Problem Statement for the Datagram Congestion Control Protocol (DCCP)
RFC4337: MIME Type Registration for MPEG-4
RFC4338: Transmission of IPv6, IPv4, and Address Resolution Protocol (ARP) Packets over Fibre Channel
RFC4339: IPv6 Host Configuration of DNS Server Information Approaches
RFC4340: Datagram Congestion Control Protocol (DCCP)
RFC4341: Profile for Datagram Congestion Control Protocol (DCCP) Congestion Control ID 2: TCP-like Congestion Control
RFC4342: Profile for Datagram Congestion Control Protocol (DCCP) Congestion Control ID 3: TCP-Friendly Rate Control (TFRC)
RFC4343: Domain Name System (DNS) Case Insensitivity Clarification
RFC4344: The Secure Shell (SSH) Transport Layer Encryption Modes
RFC4345: Improved Arcfour Modes for the Secure Shell (SSH) Transport Layer Protocol
RFC4346: The Transport Layer Security (TLS) Protocol Version 1.1
RFC4347: Datagram Transport Layer Security
RFC4348: Real-Time Transport Protocol (RTP) Payload Format for the Variable-Rate Multimode Wideband (VMR-WB) Audio Codec
RFC4349: High-Level Data Link Control (HDLC) Frames over Layer 2 Tunneling Protocol, Version 3 (L2TPv3)
RFC4350: A Uniform Resource Name (URN) Formal Namespace for the New Zealand Government
RFC4351: Real-Time Transport Protocol (RTP) Payload for Text Conversation Interleaved in an Audio Stream
RFC4352: RTP Payload Format for the Extended Adaptive Multi-Rate Wideband (AMR-WB+) Audio Codec
RFC4353: A Framework for Conferencing with the Session Initiation Protocol (SIP)
RFC4354: A Session Initiation Protocol (SIP) Event Package and Data Format for Various Settings in Support for the Push-to-Talk over Cellular (PoC) Service
RFC4355: IANA Registration for Enumservices email, fax, mms, ems, and sms
RFC4356: Mapping Between the Multimedia Messaging Service (MMS) and Internet Mail
RFC4357: 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
RFC4358: A Uniform Resource Name (URN) Namespace for the Open Mobile Alliance (OMA)
RFC4359: The Use of RSA/SHA-1 Signatures within Encapsulating Security Payload (ESP) and Authentication Header (AH)
RFC4360: BGP Extended Communities Attribute
RFC4361: Node-specific Client Identifiers for Dynamic Host Configuration Protocol Version Four (DHCPv4)
RFC4362: RObust Header Compression (ROHC): A Link-Layer Assisted Profile for IP/UDP/RTP
RFC4363: Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering, and Virtual LAN Extensions
RFC4364: BGP/MPLS IP Virtual Private Networks (VPNs)
RFC4365: Applicability Statement for BGP/MPLS IP Virtual Private Networks (VPNs)
RFC4366: Transport Layer Security (TLS) Extensions
RFC4367: What's in a Name: False Assumptions about DNS Names
RFC4368: Multiprotocol Label Switching (MPLS) Label-Controlled Asynchronous Transfer Mode (ATM) and Frame-Relay Management Interface Definition
RFC4369: Definitions of Managed Objects for Internet Fibre Channel Protocol (iFCP)
RFC4370: Lightweight Directory Access Protocol (LDAP) Proxied Authorization Control
RFC4371: BCP 101 Update for IPR Trust
RFC4372: Chargeable User Identity
RFC4373: Lightweight Directory Access Protocol (LDAP) Bulk Update/Replication Protocol (LBURP)
RFC4374: The application/xv+xml Media Type
RFC4375: Emergency Telecommunications Services (ETS) Requirements for a Single Administrative Domain
RFC4376: Requirements for Floor Control Protocols
RFC4377: Operations and Management (OAM) Requirements for Multi-Protocol Label Switched (MPLS) Networks
RFC4378: A Framework for Multi-Protocol Label Switching (MPLS) Operations and Management (OAM)
RFC4379: Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures
RFC4380: Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)
RFC4381: Analysis of the Security of BGP/MPLS IP Virtual Private Networks (VPNs)
RFC4382: MPLS/BGP Layer 3 Virtual Private Network (VPN) Management Information Base
RFC4383: The Use of Timed Efficient Stream Loss-Tolerant Authentication (TESLA) in the Secure Real-time Transport Protocol (SRTP)
RFC4384: BGP Communities for Data Collection
RFC4385: Pseudowire Emulation Edge-to-Edge (PWE3) Control Word for Use over an MPLS PSN
RFC4386: Internet X.509 Public Key Infrastructure Repository Locator Service
RFC4387: Internet X.509 Public Key Infrastructure Operational Protocols: Certificate Store Access via HTTP
RFC4388: Dynamic Host Configuration Protocol (DHCP) Leasequery
RFC4389: Neighbor Discovery Proxies (ND Proxy)
RFC4390: Dynamic Host Configuration Protocol (DHCP) over InfiniBand
RFC4391: Transmission of IP over InfiniBand (IPoIB)
RFC4392: IP over InfiniBand (IPoIB) Architecture
RFC4393: MIME Type Registrations for 3GPP2 Multimedia Files
RFC4394: A Transport Network View of the Link Management Protocol (LMP)
RFC4395: Guidelines and Registration Procedures for New URI Schemes
RFC4396: RTP Payload Format for 3rd Generation Partnership Project (3GPP) Timed Text
RFC4397: 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
RFC4398: Storing Certificates in the Domain Name System (DNS)
RFC4401: A Pseudo-Random Function (PRF) API Extension for the Generic Security Service Application Program Interface (GSS-API)
RFC4402: A Pseudo-Random Function (PRF) for the Kerberos V Generic Security Service Application Program Interface (GSS-API) Mechanism
RFC4403: Lightweight Directory Access Protocol (LDAP) Schema for Universal Description, Discovery, and Integration version 3 (UDDIv3)
RFC4404: Definitions of Managed Objects for Fibre Channel Over TCP/IP (FCIP)
RFC4405: SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
RFC4406: Sender ID: Authenticating E-Mail
RFC4407: Purported Responsible Address in E-Mail Messages
RFC4408: Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1
RFC4409: Message Submission for Mail
RFC4410: Selectively Reliable Multicast Protocol (SRMP)
RFC4411: Extending the Session Initiation Protocol (SIP) Reason Header for Preemption Events
RFC4412: Communications Resource Priority for the Session Initiation Protocol (SIP)
RFC4413: TCP/IP Field Behavior
RFC4414: An ENUM Registry Type for the Internet Registry Information Service (IRIS)
RFC4415: IANA Registration for Enumservice Voice
RFC4416: Goals for Internet Messaging to Support Diverse Service Environments
RFC4417: Report of the 2004 IAB Messaging Workshop
RFC4418: UMAC: Message Authentication Code using Universal Hashing
RFC4419: Diffie-Hellman Group Exchange for the Secure Shell (SSH) Transport Layer Protocol
RFC4420: Encoding of Attributes for Multiprotocol Label Switching (MPLS) Label Switched Path (LSP) Establishment Using Resource ReserVation Protocol-Traffic Engineering (RSVP-TE)
RFC4421: RTP Payload Format for Uncompressed Video: Additional Colour Sampling Modes
RFC4422: Simple Authentication and Security Layer (SASL)
RFC4423: Host Identity Protocol (HIP) Architecture
RFC4424: Real-Time Transport Protocol (RTP) Payload Format for the Variable-Rate Multimode Wideband (VMR-WB) Extension Audio Codec
RFC4425: RTP Payload Format for Video Codec 1 (VC-1)
RFC4426: Generalized Multi-Protocol Label Switching (GMPLS) Recovery Functional Specification
RFC4427: Recovery (Protection and Restoration) Terminology for Generalized Multi-Protocol Label Switching (GMPLS)
RFC4428: Analysis of Generalized Multi-Protocol Label Switching (GMPLS)-based Recovery Mechanisms (including Protection and Restoration)
RFC4429: Optimistic Duplicate Address Detection (DAD) for IPv6
RFC4430: Kerberized Internet Negotiation of Keys (KINK)
RFC4431: The DNSSEC Lookaside Validation (DLV) DNS Resource Record
RFC4432: RSA Key Exchange for the Secure Shell (SSH) Transport Layer Protocol
RFC4433: Mobile IPv4 Dynamic Home Agent (HA) Assignment
RFC4434: The AES-XCBC-PRF-128 Algorithm for the Internet Key Exchange Protocol (IKE)
RFC4435: A Framework for the Usage of Internet Media Guides (IMGs)
RFC4436: Detecting Network Attachment in IPv4 (DNAv4)
RFC4437: Web Distributed Authoring and Versioning (WebDAV) Redirect Reference Resources
RFC4438: Fibre-Channel Name Server MIB
RFC4439: Fibre Channel Fabric Address Manager MIB
RFC4440: IAB Thoughts on the Role of the Internet Research Task Force (IRTF)
RFC4441: The IEEE 802/IETF Relationship
RFC4442: Bootstrapping Timed Efficient Stream Loss-Tolerant Authentication (TESLA)
RFC4443: Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
RFC4444: Management Information Base for Intermediate System to Intermediate System (IS-IS)
RFC4445: A Proposed Media Delivery Index (MDI)
RFC4446: IANA Allocations for Pseudowire Edge to Edge Emulation (PWE3)
RFC4447: Pseudowire Setup and Maintenance Using the Label Distribution Protocol (LDP)
RFC4448: Encapsulation Methods for Transport of Ethernet over MPLS Networks
RFC4449: Securing Mobile IPv6 Route Optimization Using a Static Shared Key
RFC4450: Getting Rid of the Cruft: Report from an Experiment in Identifying and Reclassifying Obsolete Standards Documents
RFC4451: BGP MULTI_EXIT_DISC (MED) Considerations
RFC4452: The "info" URI Scheme for Information Assets with Identifiers in Public Namespaces
RFC4453: Requirements for Consent-Based Communications in the Session Initiation Protocol (SIP)
RFC4454: Asynchronous Transfer Mode (ATM) over Layer 2 Tunneling Protocol Version 3 (L2TPv3)
RFC4455: Definition of Managed Objects for Small Computer System Interface (SCSI) Entities
RFC4456: BGP Route Reflection: An Alternative to Full Mesh Internal BGP (IBGP)
RFC4457: The Session Initiation Protocol (SIP) P-User-Database Private-Header (P-Header)
RFC4458: Session Initiation Protocol (SIP) URIs for Applications such as Voicemail and Interactive Voice Response (IVR)
RFC4459: MTU and Fragmentation Issues with In-the-Network Tunneling
RFC4460: Stream Control Transmission Protocol (SCTP) Specification Errata and Issues
RFC4461: Signaling Requirements for Point-to-Multipoint Traffic-Engineered MPLS Label Switched Paths (LSPs)
RFC4462: Generic Security Service Application Program Interface (GSS-API) Authentication and Key Exchange for the Secure Shell (SSH) Protocol
RFC4463: A Media Resource Control Protocol (MRCP) Developed by Cisco, Nuance, and Speechworks
RFC4464: Signaling Compression (SigComp) Users' Guide
RFC4465: Signaling Compression (SigComp) Torture Tests
RFC4466: Collected Extensions to IMAP4 ABNF
RFC4467: Internet Message Access Protocol (IMAP) - URLAUTH Extension
RFC4468: Message Submission BURL Extension
RFC4469: Internet Message Access Protocol (IMAP) CATENATE Extension
RFC4470: Minimally Covering NSEC Records and DNSSEC On-line Signing
RFC4471: Derivation of DNS Name Predecessor and Successor
RFC4472: Operational Considerations and Issues with IPv6 DNS
RFC4473: Requirements for Internet Media Guides (IMGs)
RFC4474: Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP)
RFC4475: Session Initiation Protocol (SIP) Torture Test Messages
RFC4476: Attribute Certificate (AC) Policies Extension
RFC4477: Dynamic Host Configuration Protocol (DHCP): IPv4 and IPv6 Dual-Stack Issues
RFC4478: Repeated Authentication in Internet Key Exchange (IKEv2) Protocol
RFC4479: A Data Model for Presence
RFC4480: RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF)
RFC4481: Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Information for Past and Future Time Intervals
RFC4482: CIPID: Contact Information for the Presence Information Data Format
RFC4483: A Mechanism for Content Indirection in Session Initiation Protocol (SIP) Messages
RFC4484: Trait-Based Authorization Requirements for the Session Initiation Protocol (SIP)
RFC4485: Guidelines for Authors of Extensions to the Session Initiation Protocol (SIP)
RFC4486: Subcodes for BGP Cease Notification Message
RFC4487: Mobile IPv6 and Firewalls: Problem Statement
RFC4488: Suppression of Session Initiation Protocol (SIP) REFER Method Implicit Subscription
RFC4489: A Method for Generating Link-Scoped IPv6 Multicast Addresses
RFC4490: 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)
RFC4491: 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
RFC4492: Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS)
RFC4493: The AES-CMAC Algorithm
RFC4494: The AES-CMAC-96 Algorithm and Its Use with IPsec
RFC4495: A Resource Reservation Protocol (RSVP) Extension for the Reduction of Bandwidth of a Reservation Flow
RFC4496: Open Pluggable Edge Services (OPES) SMTP Use Cases
RFC4497: Interworking between the Session Initiation Protocol (SIP) and QSIG
RFC4498: The Managed Object Aggregation MIB


Meanwhile in the world...

Drupal CMS