I tried creating an outbound filter that blocks connections to any port 
like John Ross described, but used a class C netmask on the IP 205.188.153.44

Example:
Description: Block AOL's Instant Messenger.
Type: Deny Interface: PRO Protocol: ALL
Source IP: 0.0.0.0 Netmask: 0.0.0.0 Port: 0
Destination IP: 205.188.153.44 Netmask: 255.255.255.0 Port: 0

It seems to stop AOL IM dead in its tracks on my machine...

At 11:44 AM 7/11/00 -0400, Michael W. Burden wrote:
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>You did create the filter as an outbound filter, not a
>Remote Access filter, right?
>
>I've heard that AOL Instant Messenger is pretty hard to
>block, and that you pretty much have to block all ports
>outbound to any of AOL's servers.
>
>Somewhere not too long ago, I remember someone posting
>a list of AOL servers either to this list or to the
>Forum.  You might want to search the archives of this
>list and search the Forum to see if you can find it.
>
>Mike Burden
>Lynk Systems
>(616)532-4985
>[EMAIL PROTECTED]
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > Dieter Lubbe
> > Sent: Tuesday, July 11, 2000 11:00 AM
> > To: 'Michael W. Burden'; GNATBOX-Users (E-mail)
> > Subject: Blocking AOL
> >
> >
> > --------------------- Attention -----------------------------
> > Online GNAT Box User Forum is Now Open
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> > Thanks for all the help.
> >
> > One last question.
> >
> > I've got a user accessing AOL, on 5190.
> > I have been told to block all AOL access, but no matter what
> > filter I setup,
> > the connection keeps going.
> >
> > Thanks for all the help!
> >
> > Dieter
> >
> > This is the extract from the "Current Connections"
> >
> >
> > --> TCP        10.1.1.200/1029  209.212.103.210/10147   205.188.2.185/5190
> >
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