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Need help designing authentication for SQL SRS in DMZ

Posted on 2009-03-30
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Last Modified: 2012-06-21
Hello,
We have a SQL Reporting Services server built and are prepared to put it on our DMZ which has already been prepped and readied for this function.

We're going to have customers access this SSRS via the internet to access data and run reports off of this model.  Right now though, I was wondering if anyone could help me with best practices on how to configure the user authentication piece.  Right now, we're considering just opening up ports between the SSRS server and our AD domain controllers, and using our corporate domain for both our users and customers.

We're open to suggestions..
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Question by:cjb123
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BryanMI earned 500 total points
ID: 24021113
I did the same thing.  However, I created a second domain for the external users.

I built a new domain controller for the external users, but created a ONE WAY trust relationship from our domain to the new, external domain.  That means our corporate users can authenticate and have permission to the SQL RS, but the external users cannot authenticate back to our network.

In SQL RS, you can specify permissions in this fashion by inputting the domain name.  DOMAIN1\User or DOMAIN2\User.  It's been deployed for over a year now with good results.

I also recommend putting your external DC on the LAN and not in the DMZ.  If you have a higher end firewall, you can open the AD traffic from your DMZ to the external DC without giving it access to the IP's of  your real corporate AD.

Good luck!  Happy to answer any questions you might have.
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