I-D ACTION:draft-ietf-v6ops-icmpv6-filtering-recs-03.txt

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A New Internet-Draft is available from the on-line Internet-Drafts 
directories.
This draft is a work item of the IPv6 Operations Working Group of the IETF.

	Title		: Recommendations for Filtering ICMPv6 Messages in Firewalls
	Author(s)	: E. Davies, J. Mohacsi
	Filename	: draft-ietf-v6ops-icmpv6-filtering-recs-03.txt
	Pages		: 36
	Date		: 2007-2-14
	
In networks supporting IPv6 the Internet Control Message Protocol
   version 6 (ICMPv6) plays a fundamental role with a large number of
   functions, and a correspondingly large number of message types and
   options.  ICMPv6 is essential to the functioning of IPv6 but there
   are a number of security risks associated with uncontrolled
   forwarding of ICMPv6 messages.  Filtering strategies designed for the
   corresponding protocol, ICMP, in IPv4 networks are not directly
   applicable, because these strategies are intended to accommodate a
   useful auxiliary protocol that may not be required for correct
   functioning.

   This document provides some recommendations for ICMPv6 firewall
   filter configuration that will allow propagation of ICMPv6 messages
   that are needed to maintain the functioning of the network but drop
   messages which are potential security risks.

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