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IPv6 filtering
- Subject: IPv6 filtering
- From: sethm at rollernet.us (Seth Mattinen)
- Date: Tue, 25 Jan 2011 21:20:20 -0800
- In-reply-to: <[email protected]>
- References: <32507261.286.1296018229100.JavaMail.franck@franck-martins-macbook-pro.local> <[email protected]>
On 1/25/11 9:13 PM, Roland Dobbins wrote:
>
> On Jan 26, 2011, at 12:03 PM, Franck Martin wrote:
>
>> Ok filtering ipv6 and ipv6-icmp is understood, it is like ipv4.
>
> Be advised, ICMPv6 is *not* like ICMP in IPv4, and knowing what can be filtered, what to filter, and where to filter it is considerably more complex than in IPv4 - which, given the prevalence of broken PMTU-D alone, is apparently not well-understood in many quarters, heh.
>
Also, try to resist popular opinion in outright blocking of ICMP - it's
not really that evil.
~Seth