Quoting George Murphy CCNP/DP ([EMAIL PROTECTED]):

> Actually now would seem a good time to develop your own best procedure. 
> Use all of the common auditing priciples, research any weak points of 
> the PIX, the version of code they are running and even scan it if you 
> wish. The following link has a free scanner. http://www.gfi.com/languard/

Languard won't help you any. To audit a firewall, you'll have to audit
the visible and invisible space before and behind it. Of how much use
can a program be that processes somewhere between twenty and thirty
well known ports and does some basic Windows probing?

Your tools would be netcat, perl and some smaller applications such as
firewalk, etc.

jonas

-- 
Jonas M Luster -- d-fensive networks, Inc. -- http://www.d-fensive.com

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