RE: OT (sort of): Setting up an OWA server in a DM Z
- From: "Kamire, Thomas" <Thomas.Kamire@xxxxxxxxxxxxxxxxx>
- To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
- Date: Fri, 22 Apr 2005 08:47:51 +0300
Why don't you open the 138/udp port in order for you to get to the DC?
Regards
-----Original Message-----
From: adrian bolzan [mailto:abolzan@xxxxxxxxxxxxxxxxxxxxxxxxx]
Sent: Friday, April 22, 2005 6:04 AM
To: [ExchangeList]
Subject: [exchangelist] OT (sort of): Setting up an OWA server in a DMZ
http://www.MSExchange.org/
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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