[aklug] Re: ping

From: Arthur Corliss <acorliss@nevaeh-linux.org>
Date: Tue Apr 13 2010 - 08:35:22 AKDT

On Mon, 12 Apr 2010, Scott A. Johnson wrote:

> Not talking about ping. There is a difference between ICMP listening
> for echo reply (ping) and measuring the TTL decreasing to figure out
> which hosts your data is being routed through (traceroute). Has to do
> with the different control pit set in the packet that determines which
> kind of ICMP diagnostic you're sending/listening for.

FYI: UNIX traceroute doesn't use ICMP for traceroutes, it uses UDP.
Windows uses ICMP. Don't know what you're doing your traceroute from, but
it might be a factor.

         --Arthur Corliss
           Live Free or Die
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Received on Tue Apr 13 08:35:34 2010

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