What ports can be blocked to stop chat rooms and instant messaging?

[jpearl24]

On Mon, 2004-01-05 at 21:13, Christopher Chan wrote:
> Ernest L. Williams Jr. wrote:
> > Hi
> > 
> > Which port does one block to stop all AIM and chat room related network
> > activity from going in or out?
> > 
> > 
> > 
> 
> Simple. Just choose the protocols you want to allow to flow through and 
> setup rules to allow those. Then block everything else.
> 
> Otherwise, you will have to go round to ICQ, Yahoo and MSN websites (and 
> who knows what else?) and hunt for their protocol information on their 
> respective instant messenging client software.
open gaim like you are going to make accounts for your messaging... but
there is  a site you can go to and try to spam yourself with messages to
see if your port is blocking them.. hehe.. its
https://grc.com/x/ne.dll?bh0bkyd2 click proceed and it will tell you
what your firewall is doing with a few other tools ...
-- 
jason pearl <jpearl24 at cox.net>
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