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Linux - Networking This forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.

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Old 01-22-2007, 06:34 AM   #1
romeo_tango
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How to block Instant Messaging client?


Hello,

I'm sorry if I do double post with other users.
I want to ask how to block the IM Clients such as yahoo, msn, myspace, etc but in the other case there is also a few users could using it.

Should I block it one-by-one? What is the best tool for doing this? Squid? IPTables?
and I only know that Yahoo!Messenger is using port 5050. What about MSN or MySpace?

I haven't googled for it yet because I prefer to have one-stop-solution in this forum.

The point is how could I block a port while in the other side there is another user still need it?

Thanks in advance.
 
Old 01-22-2007, 08:51 AM   #2
Matir
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I don't understand your question. Do you want to block a certain port for only some users?
 
Old 01-22-2007, 08:04 PM   #3
romeo_tango
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Yes.. i'm sorry if it is not quite clear enough but what you said in the above post is correct.

For example, there are 2 users, A and B. They are under the same LAN and using the same proxy. User A could use all IM client services but user B is not allowed to use it.

Can I do it? If they are using the different proxy or different network then it is easier for me since I need only to block the port totally. Any ideas?
 
  


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