Re: Best means to block MSN Messenger, AIM and other chat programs?

From: Bob Staaf (rstaaf@cfl.rr.com)
Date: 02/23/02 

From: "Bob Staaf" <rstaaf@cfl.rr.com>
To: "Michael Ungar" <m_ungar@yahoo.com>, "KEN MORRIS" <KMORRIS@kpl.org>, <security-basics@securityfocus.com>
Date: Sat, 23 Feb 2002 12:48:23 -0500

Sure, but there are many 10s and possibly hundreds of different IP
addresses. The only way I was able to successfully block IM is to block
entire blocks of IP addresses owned by AOL. It is overkill but, I have yet
to find anything useful on AOL so I am not missing anything.

Bob

----- Original Message -----
From: "Michael Ungar" <m_ungar@yahoo.com>
To: "KEN MORRIS" <KMORRIS@kpl.org>; <security-basics@securityfocus.com>
Sent: Thursday, February 21, 2002 8:53 PM
Subject: Re: Best means to block MSN Messenger, AIM and other chat programs?

> Can you stop by blocking via destination messenger
> server ?
>
> Mike
> --- KEN MORRIS <KMORRIS@kpl.org> wrote:
> > Hello,
> > I am using both filtering software and Firewall
> > (GNat Box) to try to
> > block out the use of several chat programs. On the
> > FW I have blocked
> > ports:
> > 4000 - ICQ
> > 1863 - MSN Messenger
> > 5050 - AOL and
> > 5190 for Yahoo
> > After having set up the blocking rule, I then tested
> > MSN Messenger in
> > the system. Problem being that it was still
> > accessible.
> > Any suggestions as to how to block the use of the
> > programs at the
> > firewall would be greatly appreciated.
> > Thank you
> > Ken Morris
> >
> >
> >
> >
> >
> >
>
>
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Sports - Coverage of the 2002 Olympic Games
> http://sports.yahoo.com
>

Relevant Pages