From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Stephen J. McCracken" <sjmccracky@myrealbox.com>
Subject: RE: Blocking Kazaa
Date: 29 Aug 2003 16:12:19 -0500
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To: George Vieira <georgev@citadelcomputer.com.au>
Cc: Jean-Rene Cormier <jean-rene.cormier@cipanb.ca>, Netfilter List <netfilter@lists.netfilter.org>

A link found on another list describing how Kazaa tries to bypass
filters...

http://lists.q-linux.com/pipermail/ph-isp/2003-May/003234.html


On Sat, 2003-08-23 at 20:47, George Vieira wrote:
> well if it help, use squid to block anything to the kazaa servers (whatever they are..)since kazaa tries to use port 80, a transparent proxy would be good in this case..
> 
> Thanks,
> ____________________________________________
> George Vieira
> Systems Manager
> georgev@citadelcomputer.com.au
> 
> Citadel Computer Systems Pty Ltd
> http://www.citadelcomputer.com.au
> 
> Phone   : +61 2 9955 2644
> HelpDesk: +61 2 9955 2698
>  
> 
> -----Original Message-----
> From: Jean-Rene Cormier [mailto:jean-rene.cormier@cipanb.ca]
> Sent: Friday, August 22, 2003 9:50 PM
> To: netfilter@lists.netfilter.org
> Subject: Blocking Kazaa
> 
> 
> Anybody know a way of blocking Kazaa? I've tried the string matching way
> but it doesn't seem to work. I tried logging all connections from  my
> windows desktop so I could see to which port it connects and it connects
> to so many different port that you basically need to block ports 1000 to
> 4000 but after that it connects to port 80 which obviously I can't
> block. I installed ethereal on the windows desktop to check which string
> I could filter but couldn't find anything useful.
> 
> Anybody have an idea what can be done? I'm thinking another option would
> be to block the IP of the servers but there seem to be quite a list...
> that's if it doesn't just try some random IPs...
> 
> Jean-Rene Cormier
> 
> 
>