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 What type of client should Exchange be - ISA?		  New Topic  Reply to Topic
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aval
Honorable But Hopeless Addict

USA
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Posted - 08/17/2012 :  9:57:12 PM  Show Profile  Reply with Quote
When an ISA/TMG server/appliance regulates access to and from the LAN in which an Exchange server is running, what type of client, if any should the Exchange server be?

- SecureNAT client?
- Firewall client?
- Web Proxy client?

Besides inbound and outbound SMTP, I'll need inbound HTTPS for OWA.

And probably HTTP for Windows updates.

Because of SMTP, I'm leaning toward "Firewall Client" (need more than simple web proxy or just HTTP/S) but haven't confirmed that by consulting online sources.

JamesNT
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USA
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Posted - 08/17/2012 :  10:01:06 PM  Show Profile  Visit JamesNT's Homepage  Click to see JamesNT's MSN Messenger address  Reply with Quote
There should be a wizard in the ISA/TMG to publish Exchange for you and it should be labeled as such.

JamesNT
James Summerlin
www.jamessummerlin.com
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aval
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USA
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Posted - 08/18/2012 :  08:39:11 AM  Show Profile  Reply with Quote
Right. But if (if) Exchange is supposed to be a "Firewall Client" which requires installation of software on the client (the Exchange server) is the publishing wizard going to take care of that?

I would think the installation of the client is something done separately.

I'm looking for the answer in Shinder's "ISA Server 2006 Migration Guide" - good book but not always easy to find exactly what you're looking for amidst all the details.
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JamesNT
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USA
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Posted - 08/18/2012 :  09:48:02 AM  Show Profile  Visit JamesNT's Homepage  Click to see JamesNT's MSN Messenger address  Reply with Quote
Back when I used ISA, I don't recall installing a client on the Exchange server at all.

JamesNT
James Summerlin
www.jamessummerlin.com
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aval
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USA
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Posted - 08/18/2012 :  12:35:35 PM  Show Profile  Reply with Quote
There are options that do not require this:

- SecureNAT
- Web Proxy
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Jazzy
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Netherlands
1929 Posts
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Posted - 09/12/2012 :  04:14:08 AM  Show Profile  Visit Jazzy's Homepage  Click to see Jazzy's MSN Messenger address  Reply with Quote
Please be aware that Exchange doesn't use the IE Proxy settings for outbound HTTP/HTTPS traffic. Instead you should configure the proxy in the Winhttp settings:
netsh winhttp set proxy proxy-server="http=ProxyServer:8080"
Jetze Mellema

Exchange specialist
Former MVP (2005-2012)
My blog: http://jetzemellema.blogspot.com (Dutch)
My company: http://www.imara-ict.nl/
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