[THIN] Re: Tracert
- From: "Tim Mangan" <tmangan@xxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Fri, 27 Jun 2003 12:19:16 -0400
Yes. Tracert uses ICMP with varying TTL (time to live) to obtain paths from
each device as the TTL expire. There are alternative trace utilities that
use other protocols (TTL works at IP level) - but you should already be
blocking that from the outside anyway.
tim
Timothy R. Mangan
Founder TMurgent Technologies
tmangan@xxxxxxxxxxxx
www.tmurgent.com
+1 781-492-0403
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
Behalf Of bbeckett2000@xxxxxxxxx
Sent: Friday, June 27, 2003 11:55 AM
To: windows2000@xxxxxxxxxxxxx; thin@xxxxxxxxxxxxx
Subject: [THIN] Tracert
Stupid question but when you want to prevent anyone pinging you boxes from
the
outside world, you block ICMP packets. Does tracert also use ICMP packets or
something else? In other words, if you block ICMP, you block the ability for
others to ping you, does this also block a tracert?
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