[52725] in North American Network Operators' Group
Re: Who does source address validation? (was Re: what's that smell?)
daemon@ATHENA.MIT.EDU (David Schwartz)
Wed Oct 9 13:50:07 2002
From: David Schwartz <davids@webmaster.com>
To: <jabley@isc.org>
Cc: <nanog@merit.edu>
Date: Wed, 9 Oct 2002 10:47:53 -0700
In-Reply-To: <401DA51B-DBAA-11D6-9DEC-00039312C852@isc.org>
Errors-To: owner-nanog-outgoing@merit.edu
>>Ok but real world calling. I have tried this and when customers=
find
>>something
>>doesnt work on your network but it does on your competitor you=
make it
>>work even
>>if that means breaking rules.
>
>What services require transport of packets with RFC1918 source
>addresses across the public network?
>
>I can think of esoteric examples of things it would be possible=
to do,
>but nothing that a real-world user might need (or have occasion=
to
>complain about).
>
>Do you have experience of such breakage from your own customers?=
It
>would be interesting to hear details.
=09Loss of ICMP packets generated by links with endpoints numbered=
in RFC1918
space. Holes in traceroutes, broken PMTU detection.
=09DS
