Help Required to setup a three homed ISA (DMZ)

  • From: "Afnaz" <afnazaa@xxxxxxxxx>
  • To: isalist@xxxxxxxxxxxxx
  • Date: Wed, 13 Feb 2002 14:15:57 -0700

Hi everyone,
I am facing problems in publishing a web server in my DMZ. Following r my
IP's on the ISA server
Public :-
IP:- 195.180.242.171
Sub:- 255.255.255.192
G/W:- 194.180.242.129

DNS :- 195.180.1.6

DMZ:- 195.180.242.173
Sub:- 255.255.255.252

Private:- 192.168.18.1
          255.255.255.0

Web Server placed on the DMZ IP config
IP:- 195.180.242.174
Sub:- 255.255.255.252
DNS:- 195.180.1.6

I have the following questions;
1) Please tell me if all the ip configs r correct.
2) I have enabled IP routing. But still i am not able to access the web
server from the public network for http service. To make it simpler i have
even tried accessing the web server which is in the DMZ by giving the ip
address of the web server(195.180.242.174) in the DMZ from a pc which was
on an external network. I have already created a packet filter to for the
http80 service on the perimeter network. Is it the correct way to test it
or i missied some issues.
3) Within my Private network I have a Win2k domain. Please tell me how
will i configure the Exchage server in the DMZ to see the active directory
in the Private Network or whats the way to setup an exchange server in the
DMZ.
4) Please do comment on the DNS configurations i am supposed to setup.

I am very much confused with all these question. I have purchased some ISA
configuration book, but am not able to get a complete picture. I would
appriciate if some but could sketch a complete details of such a senario
and tell me how can i tackle the situation.

afnazaa@xxxxxxxxxxx


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