Re: [TCLUG:17580] ICMP Types

To: tclug-list@mn-linux.org
Subject: Re: [TCLUG:17580] ICMP Types
From: David Carter <dcarter@visi.com>
Date: Fri, 12 May 2000 12:05:12 -0500
In-Reply-To: <005a01bfbc33$7e516240$0301a8c0@asterix>; from Jeff Lehman on Fri, May 12, 2000 at 11:59:52AM -0500
References: <005a01bfbc33$7e516240$0301a8c0@asterix>
User-Agent: Mutt/0.96.1i

If I remember correctly, the most common traceroute implementations uses UDP
on random high ports, so there's no easy way to filter it off and still
allow incoming UDP.  I'm sure someone will correct me if I'm wrong... :)

	David

On Fri, May 12, 2000 at 11:59:52AM -0500, Jeff Lehman wrote:
> Anyone know which ICMP types traceroute uses so that i can block them out?  I've blocked ttl-exceeded, but that doesn't seem to work. TIA

-- 
David Carter ** dcarter@visi.com
Network Engineer -- VISI.com
PGP Key 581CBE61: E07EE199C767C752 8A8B1A9F015BF2EA 
Key available by finger or www.keyserver.net.

References:
- ICMP Types
  - From: "Jeff Lehman" <jeffclehman@mediaone.net>

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