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Re: [Snort-users] ssh-tunnel between sensor and database-server

from [Sean Brown] Network Security [Permanent Link]
Subject: Re: [Snort-users] ssh-tunnel between sensor and database-server
Date: Fri, 27 Aug 2004 19:21:21 -0600 
On August 25, 2004 9:47 am, Steffen Maetzky (extern) wrote:

I have build an ssh-tunnel between my snort-sensor and my
database-server and it seems to work.

I had like to control this with tcpdump and it shows something like
this:

      "IP1".32817 > "IP2".22
      "IP2".22 > "IP1".32817

      "IP1"=sensor
      "IP2"=server

I expect port 3306 instead of 32817 and that confuses me.

Can anyone explain me why 32817 is used?
Does ssh "hide" the source-port by using it?

Thanks in advance,

Steffen

The 32817 is the outgoing source port from your snort sensor to your ssh 
server. Only a destination is a designated port, whereas originating port 
numbers are random numbers >1024. What your looking at is the ssh traffic, 
not the traffic crossing the tunnel.

-Sean Brown


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