[104356] in North American Network Operators' Group
Re: [NANOG] Microsoft.com PMTUD black hole?
daemon@ATHENA.MIT.EDU (Tomas L. Byrnes)
Wed May 7 17:46:19 2008
Date: Wed, 7 May 2008 14:45:51 -0700
In-Reply-To: <3B6C6D35-226C-47EA-A5DE-EC2B16AC82E9@muada.com>
From: "Tomas L. Byrnes" <tomb@byrneit.net>
To: "Iljitsch van Beijnum" <iljitsch@muada.com>
Cc: nanog@merit.edu
Errors-To: nanog-bounces@nanog.org
Sorry if I misunderstood what you were saying. I thought you said that
they couldn't have their cake and eat it too, as in protect against Ping
of death, AND do PMTUD.
As for those flames, well, that was a long time ago, in a valley not too
far from here ;-).
Can we have the 'net before the endless September back?
> -----Original Message-----
> From: Iljitsch van Beijnum [mailto:iljitsch@muada.com]
> Sent: Wednesday, May 07, 2008 2:40 PM
> To: Tomas L. Byrnes
> Cc: nanog@merit.edu
> Subject: Re: [NANOG] Microsoft.com PMTUD black hole?
>
> On 7 mei 2008, at 23:20, Tomas L. Byrnes wrote:
>
> > I was responding to his post that blocking or disabling
> PMTUD was the
> > way to avoid the ping of death, which is False, nothing
> more, nothing
> > less.
>
> I never said that disabling PMTUD will get rid of the ping of
> death, what I said was that if your system is susceptible to
> a ping of death you may be tempted to filter ICMP but if you
> do that then you need to disable PMTUD because PMTUD + ICMP
> filtering = breakage.
>
> > As far as who Iljitsch is, everyone misspeaks from time to
> time. Even
> > those of us who have been at this for nearly 3 decades.
>
> After making the jump to academia I often feel a bit long in
> the tooth between all these students. But considering that
> (apparently) some people have been posting flames on NANOG
> for 30 years makes me feel young in comparison. :-)
>
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