RFC 7857: Updates to Network Address Translation (NAT) Behavioral Requirements

This document clarifies and updates several requirements of RFCs 4787, 5382, and 5508 based on operational and development experience. The focus of this…

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Outgoing relationships (15 related RFCs)

Updates, Normative reference — RFC 4787: Network Address Translation (NAT) Behavioral Requirements for Unicast UDP
Updates, Normative reference — RFC 5382: NAT Behavioral Requirements for TCP
Updates, Normative reference — RFC 5508: NAT Behavioral Requirements for ICMP
Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 6146: Stateful NAT64: Network Address and Protocol Translation from IPv6 Clients to IPv4 Servers
Normative reference — RFC 6056: Recommendations for Transport-Protocol Port Randomization
Normative reference — RFC 6864: Updated Specification of the IPv4 ID Field
Informative reference — RFC 5389: Session Traversal Utilities for NAT (STUN)
Informative reference — RFC 3022: Traditional IP Network Address Translator (Traditional NAT)
Informative reference — RFC 7296: Internet Key Exchange Protocol Version 2 (IKEv2)
Informative reference — RFC 2663: IP Network Address Translator (NAT) Terminology and Considerations
Informative reference — RFC 6887: Port Control Protocol (PCP)
Informative reference — RFC 6269: Issues with IP Address Sharing
Informative reference — RFC 6888: Common Requirements for Carrier-Grade NATs (CGNs)
Informative reference — RFC 7753: Port Control Protocol (PCP) Extension for Port-Set Allocation

Incoming relationships (2 related RFCs)

Informatively referenced by — RFC 9099: Operational Security Considerations for IPv6 Networks
Informatively referenced by — RFC 8764: Apple's DNS Long-Lived Queries Protocol