[104363] in North American Network Operators' Group
Re: [NANOG] Microsoft.com PMTUD black hole?
daemon@ATHENA.MIT.EDU (Joel Jaeggli)
Thu May 8 03:54:04 2008
Date: Thu, 08 May 2008 00:53:23 -0700
From: Joel Jaeggli <joelja@bogus.com>
To: =?ISO-8859-1?Q?Bj=F8rn_Mork?= <bjorn@mork.no>
In-Reply-To: <87iqxp2scc.fsf@obelix.mork.no>
Cc: nanog@merit.edu
Errors-To: nanog-bounces@nanog.org
Bj=F8rn Mork wrote:
> Iljitsch van Beijnum <iljitsch@muada.com> writes:
<snip>
> After all, Microsoft must have a reason to block all icmp. Or?
> =
>> However, in that case the only workable course of action would be TO =
>> DISABLE PATH MTU DISCOVERY!
>>
>> You can't have your cake and eat it too.
> =
> But maybe the death of icmp is worth some sort of ceremony? Cake or
> not. =
Oddly enough there is a draft on the subject of icmp filtering =
recomendations is making the rounds.
http://tools.ietf.org/wg/opsec/draft-gont-opsec-icmp-filtering-00.txt
The opsec working group (opsec@ietf.org) and the authors would =
appreciate feedback from operators on the subject.
thanks
joelja
> Bj=F8rn
> =
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