Server based cyberwalls, in-lieu of firewalls, may also be used right on the
infrastructure or app server (DNS, DHCP, Mail, FTP, etc..)
Avi
************************************
Avi A. Fogel
President and CEO
Network-1 Security Solutions, Inc.
"The Intranet Security Company"
1601 Trapelo Rd.
Waltham, MA 02451
Tel: 781-522-3400
Fax: 781-522-3450
Email: [EMAIL PROTECTED]
Web: http://www.network-1.com
NASDAQ: NSSI
************************************
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Gary Maltzen
Sent: Sunday, April 11, 1999 1:18 PM
To: Tally
Cc: [EMAIL PROTECTED]
Subject: Re: DNS in the DMZ
Am I missing something subtle here? My reading of Cheswick & Bellovin left
me with the impression that a DMZ (c.f., Vietnam and Korean conflicts)
looked more like this:
INTERNET
|
EXTERIOR FIREWALL
|
(DMZ)---[various servers]
|
INTERIOR FIREWALL
|
INTRANET
> here is the configuration:
>
> INTERNET
> |
> FIREWALL------DMZ----[dns,www,ftp servers]
> |
> CO. Network
>
> the DNS is in the DMZ. and this DNS is to have the
> entries for www,ftp and the firewall external IP
> address facing the internet.
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