Great Circle Associates Firewalls
(December 1995)
 

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Subject: Re: modems and accessing the internal network
From: jon @ ctasim . com (Jon Doran)
Date: Sun, 10 Dec 95 20:15:09 -0700
To: "Paul D. Robertson" <proberts @ clark . net>
Cc: firewalls @ GreatCircle . COM

On Sun Dec 10 19:23:23 1995, Paul D. Robertson wrote:
> This depends on what protocols you allow.  If you allow dial-in IP, and 
> the other end is on an externally connected network, then it most certainly 
> is an end-run.

Thats a good one.  Even if they came into our DMZ (which has static routing
tables) all they need to do is run proxy servers on their machine and
everyone could come on in.

Of course whoever did this would be tortured severely.

Jon Doran
-----------------------------------------------------------------

Jon Doran
CTA Simulation Systems, LLC
7315 E. Orchard Rd, Suite 100
Greenwood Village, CO 80111

(303) 889-1270
jon @
 ctasim .
 com



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