RFC 4787: Network Address Translation (NAT) Behavioral Requirements for Unicast UDP

This document defines basic terminology for describing different types of Network Address Translation (NAT) behavior when handling Unicast UDP and also…

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Outgoing relationships (21 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 791: Internet Protocol
Normative reference — RFC 768: User Datagram Protocol
Informative reference — RFC 3261: SIP: Session Initiation Protocol
Informative reference — RFC 2460: Internet Protocol, Version 6 (IPv6) Specification
Informative reference — RFC 3550: RTP: A Transport Protocol for Real-Time Applications
Informative reference — RFC 1918: Address Allocation for Private Internets
Informative reference — RFC 1191: Path MTU discovery
Informative reference — RFC 792: Internet Control Message Protocol
Informative reference — RFC 1812: Requirements for IP Version 4 Routers
Informative reference — RFC 3022: Traditional IP Network Address Translator (Traditional NAT)
Informative reference — RFC 2663: IP Network Address Translator (NAT) Terminology and Considerations
Informative reference — RFC 4380: Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)
Informative reference — RFC 3424: IAB Considerations for UNilateral Self-Address Fixing (UNSAF) Across Network Address Translation
Informative reference — RFC 3605: Real Time Control Protocol (RTCP) attribute in Session Description Protocol (SDP)
Informative reference — RFC 3489: STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
Informative reference — RFC 1858: Security Considerations for IP Fragment Filtering
Informative reference — RFC 1435: IESG Advice from Experience with Path MTU Discovery
Informative reference — RFC 3128: Protection Against a Variant of the Tiny Fragment Attack (RFC 1858)
Informative reference — RFC 2623: NFS Version 2 and Version 3 Security Issues and the NFS Protocol's Use of RPCSEC_GSS and Kerberos V5
Informative reference — RFC 3027: Protocol Complications with the IP Network Address Translator

Incoming relationships (49 related RFCs)

Updated by, Normatively referenced by — RFC 6888: Common Requirements for Carrier-Grade NATs (CGNs)
Updated by, Normatively referenced by — RFC 7857: Updates to Network Address Translation (NAT) Behavioral Requirements
Normatively referenced by — RFC 6056: Recommendations for Transport-Protocol Port Randomization
Normatively referenced by — RFC 5405: Unicast UDP Usage Guidelines for Application Designers
Normatively referenced by — RFC 6296: IPv6-to-IPv6 Network Prefix Translation
Normatively referenced by — RFC 6092: Recommended Simple Security Capabilities in Customer Premises Equipment (CPE) for Providing Residential IPv6 Internet Service
Normatively referenced by — RFC 5625: DNS Proxy Implementation Guidelines
Normatively referenced by — RFC 6748: Optional Advanced Deployment Scenarios for the Identifier-Locator Network Protocol (ILNP)
Normatively referenced by — RFC 7596: Lightweight 4over6: An Extension to the Dual-Stack Lite Architecture
Normatively referenced by — RFC 5597: Network Address Translation (NAT) Behavioral Requirements for the Datagram Congestion Control Protocol
Normatively referenced by — RFC 5780: NAT Behavior Discovery Using Session Traversal Utilities for NAT (STUN)
Normatively referenced by — RFC 6889: Analysis of Stateful 64 Translation
Normatively referenced by — RFC 7450: Automatic Multicast Tunneling
Normatively referenced by — RFC 7269: NAT64 Deployment Options and Experience
Normatively referenced by — RFC 7422: Deterministic Address Mapping to Reduce Logging in Carrier-Grade NAT Deployments
Normatively referenced by — RFC 7659: Definitions of Managed Objects for Network Address Translators (NATs)
Normatively referenced by — RFC 8803: 0-RTT TCP Convert Protocol
Normatively referenced by — RFC 5135: IP Multicast Requirements for a Network Address Translator (NAT) and a Network Address Port Translator (NAPT)
Normatively referenced by — RFC 8158: IP Flow Information Export (IPFIX) Information Elements for Logging NAT Events
Normatively referenced by — RFC 7870: Dual-Stack Lite (DS-Lite) Management Information Base (MIB) for Address Family Transition Routers (AFTRs)
Informatively referenced by — RFC 5245: Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
Informatively referenced by — RFC 5766: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)
Informatively referenced by — RFC 6887: Port Control Protocol (PCP)
Informatively referenced by — RFC 6269: Issues with IP Address Sharing
Informatively referenced by — RFC 6169: Security Concerns with IP Tunneling
Informatively referenced by — RFC 7597: Mapping of Address and Port with Encapsulation (MAP-E)
Informatively referenced by — RFC 4961: Symmetric RTP / RTP Control Protocol (RTCP)
Informatively referenced by — RFC 8838: Trickle ICE: Incremental Provisioning of Candidates for the Interactive Connectivity Establishment (ICE) Protocol
Informatively referenced by — RFC 6263: Application Mechanism for Keeping Alive the NAT Mappings Associated with RTP / RTP Control Protocol (RTCP) Flows
Informatively referenced by — RFC 7599: Mapping of Address and Port using Translation (MAP-T)
Informatively referenced by — RFC 8086: GRE-in-UDP Encapsulation
Informatively referenced by — RFC 9298: Proxying UDP in HTTP
Informatively referenced by — RFC 5596: Datagram Congestion Control Protocol (DCCP) Simultaneous-Open Technique to Facilitate NAT/Middlebox Traversal
Informatively referenced by — RFC 6285: Unicast-Based Rapid Acquisition of Multicast RTP Sessions
Informatively referenced by — RFC 6708: Application-Layer Traffic Optimization (ALTO) Requirements
Informatively referenced by — RFC 6940: REsource LOcation And Discovery (RELOAD) Base Protocol
Informatively referenced by — RFC 8404: Effects of Pervasive Encryption on Operators
Informatively referenced by — RFC 6081: Teredo Extensions
Informatively referenced by — RFC 8656: Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)
Informatively referenced by — RFC 5770: Basic Host Identity Protocol (HIP) Extensions for Traversal of Network Address Translators
Informatively referenced by — RFC 6156: Traversal Using Relays around NAT (TURN) Extension for IPv6
Informatively referenced by — RFC 6284: Port Mapping between Unicast and Multicast RTP Sessions
Informatively referenced by — RFC 6619: Scalable Operation of Address Translators with Per-Interface Bindings
Informatively referenced by — RFC 6773: DCCP-UDP: A Datagram Congestion Control Protocol UDP Encapsulation for NAT Traversal
Informatively referenced by — RFC 5677: IEEE 802.21 Mobility Services Framework Design (MSFD)
Informatively referenced by — RFC 9868: Transport Options for UDP
Informatively referenced by — RFC 8764: Apple's DNS Long-Lived Queries Protocol
Informatively referenced by — RFC 9312: Manageability of the QUIC Transport Protocol
Informatively referenced by — RFC 7604: Comparison of Different NAT Traversal Techniques for Media Controlled by the Real-Time Streaming Protocol (RTSP)