[104347] in North American Network Operators' Group
Re: [NANOG] Microsoft.com PMTUD black hole?
daemon@ATHENA.MIT.EDU (Nathan Anderson/FSR)
Wed May 7 17:00:31 2008
Date: Wed, 07 May 2008 14:00:27 -0700
From: Nathan Anderson/FSR <nathana@fsr.com>
To: nanog@merit.edu
In-Reply-To: <70D072392E56884193E3D2DE09C097A9F135@pascal.zaphodb.org>
Errors-To: nanog-bounces@nanog.org
Tomas L. Byrnes wrote:
> I'm not sure what the issue is here.
>
> Just about every modern firewall I've used has an option to enable PMTU
> on interfaces, while blocking all other ICMP.
>
> Is MS not running something manufactured in the last 10 years at their
> perimeter?
Not sure, but you actually entered in here to a subthread of the
original conversation, this one about other possible ways of dealing
with black hole "ICMP-munchers" in a pre-emptive fashion. I had a
brainstorm that I thought would be workable, which is what we were
discussing here. Apparently, it turns out my idea was no good. ;-)
The original discussion about MS blocking ICMP to their own servers,
which is the discussion it sounds like you are looking for, is over
that-a-way... *points*
--
Nathan Anderson
First Step Internet, LLC
nathana@fsr.com
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