Great Circle Associates Firewalls
(February 1997)
 

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Subject: Re: Pointcast - how to block....
From: jonesmd @ unifiedtech . com (Mike Jones)
Date: Fri, 14 Feb 1997 09:39:43 -0500
To: firewalls @ greatcircle . com, Daniel . Blander @ ACSacs . Com

> I am well versed on the security problems facing Pointcast implementation
> (this list has been generous in discussing the issues of this technology).
> Now I have a site where we want to explicitly block **all** Pointcast
> traffic.  (Its due to bandwidth problems, not security at the moment).
> Any pointers since there is little on the protocol that I have had
> in all my boundless free time to pick up.... 
> I'd like to hear some general ideas on how to secure it, and then also if
> you can address that I have at my disposal Netscape Proxy, FW-1, and fwtk
> (1.3) for this particular scenario.

I've done this for a couple of customers using FW-1. Just set up a rule
of source: www.pointcast.com, destination: any, protocol: any, action: drop.

That should do it.

--
	Mike Jones
	Sr. Network Computing Advisor
	UNIFIED Technologies


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