[52737] 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 19:52:04 2002
From: David Schwartz <davids@webmaster.com>
To: <alex@yuriev.com>
Cc: <nanog@merit.edu>
Date: Wed, 9 Oct 2002 16:51:19 -0700
In-Reply-To: <Pine.LNX.4.10.10210091552180.18294-100000@s1.yuriev.com>
Errors-To: owner-nanog-outgoing@merit.edu
On Wed, 9 Oct 2002 15:53:40 -0400 (EDT), alex@yuriev.com wrote:
>>>Do you have experience of such breakage from your own=
customers? It
>>>would be interesting to hear details.
>> Loss of ICMP packets generated by links with endpoints=
numbered in
>>RFC1918
>>space. Holes in traceroutes, broken PMTU detection.
>Why do those links have endpoints in RFC1918 space to begin=
with?
>
>Alex
=09Because some administrators are ignorant, clueless, or=
malicious. We don't
all have the luxury of saying, "It doesn't work on our network=
and it does on
our competitor's, and we could fix it if we wanted to at no=
significant harm
to us, but we won't because we are in the right."
=09DS
