Recommendations for filtering ICMP messages

Document Type Expired Internet-Draft (opsec WG)
Last updated 2014-01-04 (latest revision 2013-07-03)
Replaces draft-gont-opsec-icmp-filtering
Stream IETF
Intended RFC status (None)
Expired & archived
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Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document document provides advice on the filtering of ICMPv4 and ICMPv6 messages. Additionaly, it discusses the operational and interoperability implications of such filtering.


Fernando Gont (
Guillermo Gont (
Carlos Pignataro (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)