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RFC Introduction
All RFCs
Translation Quality
RFC 9161Operational Aspects of Proxy ARP/ND in Ethernet Virtual Private Networks
RFC 9162Certificate Transparency Version 2.0
RFC 9163Expect-CT Extension for HTTP
RFC 9164Concise Binary Object Representation (CBOR) Tags for IPv4 and IPv6 Addresses and Prefixes
RFC 9165Additional Control Operators for the Concise Data Definition Language (CDDL)
RFC 9166A YANG Data Model for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping
RFC 9167Registry Maintenance Notification for the Extensible Provisioning Protocol (EPP)
RFC 9168Path Computation Element Communication Protocol (PCEP) Extension for Flow Specification
RFC 9169New ASN.1 Modules for the Evidence Record Syntax (ERS)
RFC 9170Long-Term Viability of Protocol Extension Mechanisms
RFC 9171Bundle Protocol Version 7
RFC 9172Bundle Protocol Security (BPSec)
RFC 9173Default Security Contexts for Bundle Protocol Security (BPSec)
RFC 9174Delay-Tolerant Networking TCP Convergence-Layer Protocol Version 4
RFC 9175Constrained Application Protocol (CoAP): Echo, Request-Tag, and Token Processing
RFC 9176Constrained RESTful Environments (CoRE) Resource Directory
RFC 9177Constrained Application Protocol (CoAP) Block-Wise Transfer Options Supporting Robust Transmission
RFC 9178Building Power-Efficient Constrained Application Protocol (CoAP) Devices for Cellular Networks
RFC 9179A YANG Grouping for Geographic Locations
RFC 9180Hybrid Public Key Encryption
RFC 9181A Common YANG Data Model for Layer 2 and Layer 3 VPNs
RFC 9182A YANG Network Data Model for Layer 3 VPNs
RFC 9183Single Nickname for an Area Border RBridge in Multilevel Transparent Interconnection of Lots of Links (TRILL)
RFC 9184BGP Extended Community Registries Update
RFC 9185DTLS Tunnel between a Media Distributor and Key Distributor to Facilitate Key Exchange
RFC 9186Fast Failover in Protocol Independent Multicast - Sparse Mode (PIM-SM) Using Bidirectional Forwarding Detection (BFD) for Multipoint Networks
RFC 9187Sequence Number Extension for Windowed Protocols
RFC 9188Generic Multi-Access (GMA) Encapsulation Protocol
RFC 9189GOST Cipher Suites for Transport Layer Security (TLS) Protocol Version 1.2
RFC 9190EAP-TLS 1.3: Using the Extensible Authentication Protocol with TLS 1.3
RFC 9191Handling Large Certificates and Long Certificate Chains in TLS-Based EAP Methods
RFC 9192Network Service Header (NSH) Fixed-Length Context Header Allocation
RFC 9193Sensor Measurement Lists (SenML) Fields for Indicating Data Value Content-Format
RFC 9194A YANG Module for IS-IS Reverse Metric
RFC 9195A File Format for YANG Instance Data
RFC 9196YANG Modules Describing Capabilities for Systems and Datastore Update Notifications
RFC 9197Data Fields for In Situ Operations, Administration, and Maintenance (IOAM)
RFC 9198Advanced Unidirectional Route Assessment (AURA)
RFC 9199Considerations for Large Authoritative DNS Server Operators
RFC 9200Authentication and Authorization for Constrained Environments Using the OAuth 2.0 Framework (ACE-OAuth)
RFC 9201Additional OAuth Parameters for Authentication and Authorization for Constrained Environments (ACE)
RFC 9202Datagram Transport Layer Security (DTLS) Profile for Authentication and Authorization for Constrained Environments (ACE)
RFC 9203The Object Security for Constrained RESTful Environments (OSCORE) Profile of the Authentication and Authorization for Constrained Environments (ACE) Framework
RFC 9204QPACK: Field Compression for HTTP/3
RFC 9205Building Protocols with HTTP
RFC 9206Commercial National Security Algorithm (CNSA) Suite Cryptography for Internet Protocol Security (IPsec)
RFC 9207OAuth 2.0 Authorization Server Issuer Identification
RFC 9208IMAP QUOTA Extension
RFC 9209The Proxy-Status HTTP Response Header Field
RFC 9210BCP: 235 D. Wessels
RFC 9211 - The Cache-Status HTTP Response Header Field
RFC 9212Commercial National Security Algorithm (CNSA) Suite Cryptography for Secure Shell (SSH)
RFC 9213Targeted HTTP Cache Control
RFC 9214OSPFv3 Code Point for MPLS LSP Ping
RFC 9215Using GOST R 34.10-2012 and GOST R 34.11-2012 Algorithms with the Internet X.509 Public Key Infrastructure
RFC 9216S/MIME Example Keys and Certificates
RFC 9217Current Open Questions in Path-Aware Networking
RFC 9218Extensible Prioritization Scheme for HTTP
RFC 9219S/MIME Signature Verification Extension to the JSON Meta Application Protocol (JMAP)
RFC 9220Bootstrapping WebSockets with HTTP/3
RFC 9221An Unreliable Datagram Extension to QUIC
RFC 9222Guidelines for Autonomic Service Agents
RFC 9223Real-Time Transport Object Delivery over Unidirectional Transport (ROUTE)
RFC 9224STD: 95 March 2022
RFC 9225Software Defects Considered Harmful
RFC 9226Bioctal: Hexadecimal 2.0
RFC 9227Using GOST Ciphers in the Encapsulating Security Payload (ESP) and Internet Key Exchange Version 2 (IKEv2) Protocols
RFC 9228Delivered-To Email Header Field
RFC 9229IPv4 Routes with an IPv6 Next Hop in the Babel Routing Protocol
RFC 9230Oblivious DNS over HTTPS
RFC 9231Additional XML Security Uniform Resource Identifiers (URIs)
RFC 9232Network Telemetry Framework
RFC 9233Internationalized Domain Names for Applications 2008 (IDNA2008) and Unicode 12.0.0
RFC 9234Route Leak Prevention and Detection Using Roles in UPDATE and OPEN Messages
RFC 9235TCP Authentication Option (TCP-AO) Test Vectors
RFC 9236Architectural Considerations of Information-Centric Networking (ICN) Using a Name Resolution Service
RFC 9237An Authorization Information Format (AIF) for Authentication and Authorization for Constrained Environments (ACE)
RFC 9238Loading Manufacturer Usage Description (MUD) URLs from QR Codes
RFC 9239Updates to ECMAScript Media Types
RFC 9240An Extension for Application-Layer Traffic Optimization (ALTO): Entity Property Maps
RFC 9241Content Delivery Network Interconnection (CDNI) Footprint and Capabilities Advertisement Using Application-Layer Traffic Optimization (ALTO)
RFC 9242Intermediate Exchange in the Internet Key Exchange Protocol Version 2 (IKEv2)
RFC 9243A YANG Data Model for DHCPv6 Configuration
RFC 9244Distributed Denial-of-Service Open Threat Signaling (DOTS) Telemetry
RFC 9245BCP: 45 S. Harris
RFC 9246URI Signing for Content Delivery Network Interconnection (CDNI)
RFC 9247BGP - Link State (BGP-LS) Extensions for Seamless Bidirectional Forwarding Detection (S-BFD)
RFC 9248Interoperability Profile for Relay User Equipment
RFC 9249A YANG Data Model for NTP
RFC 9250DNS over Dedicated QUIC Connections
RFC 9251Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Proxies for Ethernet VPN (EVPN)
RFC 9252BGP Overlay Services Based on Segment Routing over IPv6 (SRv6)
RFC 9253Support for iCalendar Relationships
RFC 9254Encoding of Data Modeled with YANG in the Concise Binary Object Representation (CBOR)
RFC 9255The 'I' in RPKI Does Not Stand for Identity
RFC 9256Segment Routing Policy Architecture
RFC 9257Guidance for External Pre-Shared Key (PSK) Usage in TLS
RFC 9258Importing External Pre-Shared Keys (PSKs) for TLS 1.3
RFC 9259Operations, Administration, and Maintenance (OAM) in Segment Routing over IPv6 (SRv6)
RFC 9260Stream Control Transmission Protocol
RFC 9261Exported Authenticators in TLS

RFC 9211 - The Cache-Status HTTP Response Header Field
Author's Address

Author's Address

Mark Nottingham
Fastly
Prahran
Australia

Email: [email protected]
URI: https://www.mnot.net/

🔥 Most Popular

RFC 6749 - OAuth 2.0
RFC 9110 - HTTP Semantics
RFC 7519 - JWT
RFC 8446 - TLS 1.3
RFC 3339 - Date and Time
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