Great Circle Associates Firewalls
(April 1998)

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Subject: Re: DMZ config question
From: Leonard Miyata <leonard @ geminisecure . com>
Date: Wed, 8 Apr 1998 09:52:46 -0700 (PDT)
To: Dean Ethier <Dean_Ethier @ dmr . ca>
Cc: firewalls @ GreatCircle . COM
In-reply-to: <872565DF . 0077AA4D . 00 @ Montreal-NS002 . Mtl . DMR . CA>

Hi There

The Book 'Building Internet Firewalls' by Chapman and Zwicky,
O'Reilly & Associates Inc., has an excellent write up on all your
DMZ questions, and a lot more. Highly recommended!. I belive
theres a preview of it at

Personal Opinions provided by
Leonard Miyata
aka leonard @
 geminisecure .
Gemini Computers Inc.

On Tue, 7 Apr 1998, Dean Ethier wrote:

> What's the accepted method for setting up a DMZ?  Do I just a hub into my
> firewall and feed my DMZ from that?  If one host on the DMZ were
> compromised, that would leave little protection for anything else on the
> DMZ.  Should one also use a router instead of or in conjunction with a hub
> to provide some isolation between hosts on the DMZ?  What is generally
> done?
> Dean Ethier
> DMR Consulting Group Inc

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