RE: Blocking ICQ

[sean.kelly () lanston com]

I'm guessing you're using the "send through server" option.  I am in a
similar situation and that is the only method that works for me, but then it
isn't nearly the security risk that the direct connection is.  At the same
time, I can't chat or receive files via ICQ either.

Sean

> From: Mikhail Evstiounin [mailto:evstiounin () adelphia net]
>
> Not exactly. Once I was able to install and configure ICQ on my NT box
> behind firewall and this firewall has only ports 53 and 80 
> opened ( well a
> little bit more - about another 10 or more well known ports). 
> I used second
> configuration in ICQ.
> -----Original Message-----
> From: Jon Ponsford <jponsford () earthlink net>
> To: firewall-wizards () lists nfr net <firewall-wizards () lists nfr net>
> Date: Wednesday, November 17, 1999 1:49 PM
> Subject: Re: Blocking ICQ
>
>
> > TCP and UDP ports 4000 are the ICQ ports. Blocking any 
> traffic over port
> > 4000 will effectively kill any ICQ traffic, cuz the client 
> needs port 4000
> > to connect to the server to start up.
> >
> >
> > At 09:55 AM 11/15/1999 CST, you wrote:
> > > I have users on my network that are using ICQ. This is a 
> security concern,
> I
> > > would like to deny acces using my firewall.
> > >
> > > Which ports and/or address should be blocked to disable ICQ?
> > >
> > > -TIA
> > >
> > > Scoter
> > >
> > > "Its all about the Pentium"   -Wierd AL
> > >
> > > ______________________________________________________
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