[59883] in North American Network Operators' Group

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Re: rfc1918 ignorant

daemon@ATHENA.MIT.EDU (Dave Temkin)
Wed Jul 23 14:06:53 2003

Date: Wed, 23 Jul 2003 14:06:09 -0400 (EDT)
From: Dave Temkin <dave@ordinaryworld.com>
To: Kevin Oberman <oberman@es.net>
Cc: Lyndon Nerenberg <lyndon@orthanc.ab.ca>,
	David Schwartz <davids@webmaster.com>, "" <variable@ednet.co.uk>,
	"" <nanog@merit.edu>
In-Reply-To: <20030723175951.BB52E5D08@ptavv.es.net>
Errors-To: owner-nanog-outgoing@merit.edu


Unless of course I block ICMP for the purposes of denying traceroute but
still allow DF/etc.  Then it's not "broken" as you say.


-- 
David Temkin

On Wed, 23 Jul 2003, Kevin Oberman wrote:

> > Date: Wed, 23 Jul 2003 13:50:05 -0400 (EDT)
> > From: Dave Temkin <dave@ordinaryworld.com>
> > Sender: owner-nanog@merit.edu
> >
> >
> > Needs is a tough call.  Plenty of networks block ICMP at the border and
> > could very well be using 1918 addressing in between and you'd have no
> > idea.
>
> And the network is broken.
>
> People persist in blocking ICMP and then complain when things don't
> work right. Even if you explain why blocking ICMP is breaking
> something, they say "ICMP is evil and we have to block it". OK. they
> are broken and when things don't work, they need to tell their
> customers that they are choosing to run a network that does not work
> correctly. (Not that I expect anyone to do this.)
>
> I don't see anything "tough" about this call.
>

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