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 From:  "billy" <billy at hnisecure dot com>
 To:  "Mark Spieth" <mspieth at neod dot net>, <m0n0wall at lists dot m0n0 dot ch>
 Subject:  RE: [m0n0wall] MS Exchange 2003 Behind m0n0wall V1
 Date:  Fri, 27 Feb 2004 10:38:59 -0500
Mark (and others who did not post to the mailing list),
I thank you all for the quick reply. The fix was to set IIS to port 81 as
stated by Mark and Juan and port forward 81 --> 81.
FYI: If you change settings in the NAT Settings you must also change them in
the Firewall Rules (the change
 does not traverse to the Firewall Rules for you).
Thanks Again


From: Mark Spieth [mailto:mspieth at neod dot net]
Sent: Fri 2/27/2004 7:15 AM
To: billy; m0n0wall at lists dot m0n0 dot ch
Subject: RE: [m0n0wall] MS Exchange 2003 Behind m0n0wall V1

I have seen this problem in the past, Our solution was to set IIS up to
run on port 81 and nat from 81 to 81. No idea why this caused IIS to
work but it did.

Mark Spieth - Director of Internet Services

Northeast Ohio Digital Inc.


mspieth at neod dot net


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-----Original Message-----
From: billy [mailto:billy at hnisecure dot com]
Sent: Thursday, February 26, 2004 6:25 PM
To: m0n0wall at lists dot m0n0 dot ch
Subject: [m0n0wall] MS Exchange 2003 Behind m0n0wall V1

Hello All,
I have an Exchange server 2003 behind m0n0wall and wish to use OWA
(Outlook Web Access). My server has a private IP address of Since my ISP blocks port 80, I nat from port 81 to port
80 on the server. With http://domain.com:81, I can get to the webpage on
that server, but if I try http://domain.com:81/exchange/ , I get the
normal logon dialog box, log it but the outlook page starts but does not
complete to load. I heard webdev may cause issues but I'm not certain.
Years ago, I believe I able to do it, but I believed it involved RRAS on
Windows NT 4. My other mail server E-Smith 6.0 running QMail and SSL
causes no problems (of course that's Linux)

Thanks for any advice (except for dumping Microjunk).