RFC 5508 · BEST CURRENT PRACTICE · 2009

NAT Behavioral Requirements for ICMP

Overview

RFC 5508, “NAT Behavioral Requirements for ICMP”, is a Best Current Practice document published in April 2009 by P. Srisuresh, B. Ford, S. Sivakumar, S. Guha. It has since been updated by RFC 7857. The canonical text is published by the RFC Editor.

Abstract

This document specifies the behavioral properties required of the Network Address Translator (NAT) devices in conjunction with the Internet Control Message Protocol (ICMP). The objective of this memo is to make NAT devices more predictable and compatible with diverse application protocols that traverse the devices. Companion documents provide behavioral recommendations specific to TCP, UDP, and other protocols. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.

Abstract as published in the RFC, via rfc-editor.org.

What “Best Current Practice” means

Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.

Read this RFC

The canonical text of RFC 5508 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
Updated by
RFC 7857
Other RFCs from 2009

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