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Re: [FW-1] Firewall DMZ



hi,

if you have enough IP-addresses it's not a problem to use public
IP-addresses in a DMZ, if you don't have enough IP-addresses you can use
NAT to hide several inside-IPs on one external IP.

cheers
reinhard

At 16:44 09.09.2003 -0400, you wrote:
We are looking to create a dual firewall environment (external and
internal). In the middle will be the DMZ. Are DMZ IP addresses typically
hidden from the outside world? Aside from hiding this network from the
outside world, are there any additional advantages? I'm assuming that if I'm
hiding the DMZ addresses, I will need to NAT them. Are there any security
issues to NATing for inbound services (i.e. www)? Or is it recommended to
simpy route the DMZ IP addresses?

Thanks in advance

?????????????????????????
 Kenneth Lee
 COGNEX Corporation
 One Vision Drive, Natick, MA 01760



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-- Reinhard Stich, ASSIST [email protected] Internet Security AG, 1190 Wien, Nussdorfer Laende 29-33 Tel: +43 1 370 94 40 RS784-RIPE Fax: +43 1 370 94 40-10

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