Security Basics mailing list archives

Re: Firewall and DMZ topology


From: Zach Crowell <zach-public () bitshifters org>
Date: Tue, 10 Jun 2003 13:41:30 -0400



Erik Vincent wrote:
I think there is a major difference between:

1: internet --> Outer Firewall --> DMZ --> Inner Firewall --> LAN If your Outer Firewall is crack, only the DMZ computer will be unprotected
                            but the LAN portion still protected.

Under what conditions would these firewalls be configured any differently from a vulnerability-assessment view point? i.e., if someone was able to crack the outer firewall, is it not likely they would crack the inner firewall as well?

Zach


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