You also might want to check the archives for this mailing list. That topic
has been discussed in detail many times.
http://lists.gnac.net/firewalls/
-dan
Matthew Reams wrote:
> This may help. It is an "article" that discusses AIM, Napster, and other
> network programs that may be undesired.
>
> http://www.securityportal.com/closet/closet20000419.html
>
> --Matt
>
> > -----Original Message-----
> > From: Andrew Tseng [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, January 24, 2001 11:45 AM
> > To: '[EMAIL PROTECTED]'
> > Subject: Blocking AOL Messenger
> >
> >
> > Hi:
> > My company uses Checkpoint FW-1 4.0 running in a NT 4.0
> > box. Is there any way to block users using AOL messenger ? I
> > blocked AOL messenger default port:5190 but it swithed to
> > other ports such as 53, 23 or 25 which have to be opened.
> > Also, connections of AOL logon host "login.oscar.aol.com" and
> > AOL Netblock "64.12.149.0", "152.163.180.0" are disallowed.
> > However, I still see users happy using AOL messenger which
> > really discourage me. Could anyone give me some ideas how to
> > block AOL Msgr? Should I block AOL Msgr by port or address
> > basis or I have to buy third-party SW like WebSense or
> > SurfControl? Any comments will be appreciated.
> >
> >
> > Andrew Tseng
> >
> > Ikegami Electronics USA
> > 37 Brook Ave
> > Maywood, NJ07607
> >
-
[To unsubscribe, send mail to [EMAIL PROTECTED] with
"unsubscribe firewalls" in the body of the message.]
