[63196] in North American Network Operators' Group
Re: ICMP Blocking Woes
daemon@ATHENA.MIT.EDU (E.B. Dreger)
Mon Sep 29 20:58:24 2003
Date: Tue, 30 Sep 2003 00:57:53 +0000 (GMT)
From: "E.B. Dreger" <eddy+public+spam@noc.everquick.net>
To: nanog@merit.edu
In-Reply-To: <20030929201059.2C25A7B43@berkshire.research.att.com>
Errors-To: owner-nanog-outgoing@merit.edu
SMB> Date: Mon, 29 Sep 2003 16:10:59 -0400
SMB> From: Steven M. Bellovin
SMB> No, they use icmp. Or at least that's what the XP box
SMB> sitting next to me does...
AFAIK, it's been that way since Win95. I recall a certain
vendor's dodgy ISDN router * * * on Windows traceroute, but
working fine under *ix... for whatever reason, said router didn't
like the ICMP traceroute, but returned unreachables in response
to UDP when TTL expired.
Eddy
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