OT (sort of): Setting up an OWA server in a DMZ
- From: "adrian bolzan" <abolzan@xxxxxxxxxxxxxxxxxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Fri, 22 Apr 2005 13:03:32 +1000
Hi,
This is sort of off-topic as I am stuck at setp 1 of building an OWA
server.
I am trying to configure a new server to act as an OWA server. It is
located in our DMZ.
We do not use ISA server...
IP address of 'OWA' server = 192.168.2.2
IP address of Exchange server, which is also a DC = 192.168.1.5
The way our firewall works is to set an alias on the DMZ interface, and
use IP address and Port forwarding.
The alias on the DMZ interface = 192.168.2.5.
Thus, communications from the 'OWA' server to the exchange server is
sent to 192.168.2.5, with IP address and port forwarding to 192.168.1.5
:
'OWA' server --> IP Alias on DMZ interface --> DC (with Exchange)
192.168.2.2 --> 192.168.2.5 --> 192.168.1.5
My first problem is that when I try to join the OWA server to the domain
across the firewall I receive an error stating that I am trying to
connect to a closed port (presumably on the exchange DC). All of the
appropriate filters are in place on the firewall to allow the
communication. The closed port is 138/UDP. This suggests that I need
to configure the DC to allow connections from the DMZ subnet.
Any pointers on where I would find info on how to allow this
communication would be appreciated.
Cheers,
Adrian
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