[H-GEN] Blocking MSN, AIM, AOL, ICQ Chat program

Peter Arnold arnoldpj at optushome.com.au
Sun Jun 9 04:16:03 EDT 2002


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Are you using squid as a proxy? If so you can start by blocking the 
download of the application in the first place. Then block access to the 
servers (MS have an array of IPs that act as messenger servers).
At work rather than block some executables we use a redirector to 
redirect it to a blank file. Some people make several attempts (and get 
the same emty file every time) then give up.

Also, take a look at http://www.oofle.com/messaging/index.htm for more 
specific info on what to block and how to block it with ipchains, 
iptables etc.....

Let me know how you go and what you find out as I could always do with 
improving what I've got.

Pete

theticus at excite.com wrote:

>   Hiya all out there..
> 
> I'm in the class room situation using Win98 and W2K. Is there a way to 
> block those chat programs? Has anyone tried it before? Students need to 
> be able to browse the net but not using those chat program. And can't 
> control the individual from downloading the program and running them.
> 
> Please help on how to block or point me to links, book, script etc.
> 
> Thanks in advance,
> Theticus
> 
> ------------------------------------------------------------------------
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