Great Circle Associates Firewalls
(September 1996)
 

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Subject: Re: PIX router
From: Chris Lonvick <clonvick @ cisco . com>
Date: Mon, 02 Sep 1996 22:05:37 -0700
To: firewalls @ GreatCircle . COM, jonesmd @ unifiedtech . com

Hello Mike,

The PIX currently performs network layer protection and RFC-1631 Network
Address Translation.  As someone mentioned in a later post, there will be
many new features in the upcoming release and many more in the future.  

Without knowing the specifics of your case, I can only give you some very
general rules about how it can be used.  The PIX has been implemented as a
stand alone security device between a sensitive area of a network (i.e. -
financial dept.) and the rest of a network.  It's also been implemented as
part of a firewall system, between the Internet and a private network.
Rather than go into a lot of detail here, please look at 

http://www.cisco.com/univ-src/3.9/data/doc/cintrnet/ics/icssecur.htm#HDR10
 - a Security white paper (see Fig. 3.1)   and

http://www.cisco.com/warp/public/751/pix/pie_ds.htm  
 - a PIX spec sheet (see Fig. 2).  

As with anything, I urge you to fully define your expectations and then find
a security device which can meet them.  

Thanks,
Chris Lonvick
Cisco Systems
Consulting Engineering
+1-713-778-5663



>I'm looking for information on why (or why not) a Cisco PIX box is 
>adequate as a firewall. My gut feeling is that it does part of the job,
>but that it's not something you should rely on as a complete solution.
>
>	Mike Jones
>	Unified Technologies
>
>


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