RE: Internet Access and OWA access
- From: "Alex Gonzalez" <AGonzalez@xxxxxxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Tue, 2 Aug 2005 15:32:15 -0400
Not anymore I wont but for this I unfortunatly had too. As a matter of fact
with the help you gave me I was able to figure out how to publish an SSL
sharepoint and another SSL buisness objects site. Thanks again Tom I really
appreciate all the help. Next time I will try the full blown install of ISA.
Thanks again,
Alex
________________________________
From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxx]
Sent: Tue 8/2/2005 3:00 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: Internet Access and OWA access
http://www.ISAserver.org
Hi Alex,
That's great! Also good to hear no more unihomed ISA firewalls :-)
Tom
www.isaserver.org/shinder <http://www.isaserver.org/shinder>
Tom and Deb Shinder's Configuring ISA Server 2004
http://tinyurl.com/3xqb7 <http://tinyurl.com/3xqb7>
MVP -- ISA Firewalls
________________________________
From: Alex Gonzalez [mailto:AGonzalez@xxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, August 02, 2005 12:42 PM
To: [ISAserver.org Discussion List]
Subject: RE: [isalist] RE: Internet Access and OWA access
Wow it's actaully working. Thanks for all your help. I really
appreciate it. And I promise not to implement single homed again.
Alex
________________________________
From: Alex Gonzalez [mailto:AGonzalez@xxxxxxxxxxxxxxxxxxx]
Sent: Tue 8/2/2005 11:13 AM
To: [ISAserver.org Discussion List]
Subject: RE: [isalist] RE: Internet Access and OWA access
Ok following your tips for setting up the site I can hit it internally
if I am proxying through the ISA server but I can not hit it externally if I
use a host file for DNS name to the nat'd address (198 address to the 172 ISA
address) of the ISA server. I have then added to the host file on the ISA
server the internal IP address of the OWA server.
Getting closer though...
Alex
________________________________
From: Alex Gonzalez [mailto:AGonzalez@xxxxxxxxxxxxxxxxxxx]
Sent: Tue 8/2/2005 10:30 AM
To: [ISAserver.org Discussion List]
Subject: RE: [isalist] RE: Internet Access and OWA access
Why is the DNS server on a different Network ID? There is no DNS in the
DMZ
Are there Networks behind the ISA firewall? The ISA server sits in a
DMZ so yes.
Does the default gateway provide a path to both the Internet *and* the
OWA server? From the ISA server I can get to the OWA server and the Internet
but as far as a path, are you talking about like a layer 3 route?
IP? Is this what appears on the "To" tab? If so, this won't work. The
entry on the "To" tab must be same as the common/subject name on the Web site
certificate bound to the OWA site. Ok this I can change. That means I need to
create an internal host record for it then correct?
So the listener is listening on this address only, right? Yes. There
is a firewall NAT from a 198 address that nats to this.
Use Forms-based authentication or Basic auth. FBA is more secure and
you should use it whenever publishing an OWA site. Remember to turn off FBA on
the Exchange Server. Ok this I can change but how is ISA going to get the OWA
FBA form?
If the ISA firewall is a domain member, or if you have a RADIUS server
on the corpnet, then you can pre-authenticate at the ISA firewall, which is a
more secure config. The server is a domain member.
I suspect your have a routing problem or a name resolution problem.
This ISA firewall must be able to resolve the name on the "To" tab to the
address of the OWA site, depending on the routing relationship between the ISA
firewall's Network and the OWA server's Network (Route or NAT). And let me
guess. It's because DNS sits on a different segment and the server is single
homed on a different one with no DNS?
P.S -- See, if you're willing to put up with just a little abuse, you
can get some helpful info (I learned this from Jim H. ;-) I dont mind too much
abuse and I appreciate the help. I am more of an Exchange/AD/SMS (which is
getting boring) guy. This ISA stuff is new to me but so far I am liking it
quite a bit. I thought SMS was a pain to get working.
Thanks for all the help.
Alex
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