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3-Leg DMZ - Specific Set-up Question

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3-Leg DMZ - Specific Set-up Question - 9.Sep.2004 8:05:00 AM   
wwolfeii

 

Posts: 9
Joined: 9.Sep.2004
Status: offline
We are trying to set up a 3-Leg ISA 2004 configuration that looks like this:

External 66.243.106.100/26 - Internet Inbound
Internal 10.90.200.100/16 - Outbound to Internet
DMZ 172.16.0.100/16 - Publicly accessable hosts

What we want to do is have all hosts in the DMZ with 172.16.0.x addresses NAT'd to corresponding External Addresses 66.243.106.x. These hosts will primarily be FTP and WWW. Do we just need to add each address to the external NIC and publish servers as usual, pointing them to their corresponding DMZ address?

Also it seems that the default ISA 2004 3-Leg setup uses DMZ->External with Route instead of NAT. This is confusing.

Any help would be appreciated.
Post #: 1
RE: 3-Leg DMZ - Specific Set-up Question - 12.Sep.2004 4:36:00 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi W,

You can use Web and Server Publishing Rules to allow inbound access to the servers on the DMZ segment.

Yes, the default trihomed DMZ template uses who I consider the wrong defaults. I think the defaults should be DMZ to Externa = NAT and DMZ to Internal = Route.

HTH,
Tom

(in reply to wwolfeii)
Post #: 2

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