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HomeHomeDNN Open Source...DNN Open Source...Provider and Extension ForumsProvider and Extension ForumsAuthenticationAuthenticationWindows & Anonymous AuthenticationWindows & Anonymous Authentication
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3/17/2008 3:33 PM
 
LiamLiamLiam

Joined: 4/25/2007
Posts: 19

After going through a lot of work trying to get AD up and running, I have been told that AD wont work for our DNN solution. We have another department that has their own network and domain. They can connect to us through a proxy, but don't have a trust relationship with our domain. This department needs access to our website to read stuff, and download files. They don't need to log into the site.

I'm wondering if there's a way I can still allow the users on our domain log into DNN through the AD provider, and users not on our domain can still view the DNN portal anonymously?
 
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3/17/2008 4:43 PM
 
Mike Horton


Joined: 7/16/2003
Posts: 4865

Liam you don't say which version of the provider you're using but I'll assume it's 01.00.00. In any case, if you comment out the <add name="Authentication" ..../> in the <httpModules> section of your web.config. This will allow the users from the other department to browse your website without getting the IIS Login popup but unfortunately it'll also stop your domain users from automatically logging in. What I used to do with the 01.00.00 version of the provider is I put links on pages where the user's needed to be authenticated that pointed to /DesktopModules/AuthenticationsServices/ActiveDirectory/WindowsSignin.aspx (you can see what I mean on http://www.bus.nait.ca/main under Resources->I Drive).

Another possibility depending on how your company handles IP addresses is to use the 01.00.03 version of the provider (available at http://dnn.gmss.org until it is released from the DNN Release Tracker). In the provider settings section there's an option of setting what IP addresses automatically login. So if your domain gets one range of IP address and the other domain gets a completely different range you could put the range for yours in so that your users would be logged in while the other users would be able to browse the site anonymously.
 
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3/18/2008 3:37 PM
 
LiamLiamLiam

Joined: 4/25/2007
Posts: 19

Thanks for the help Mike.

I decided to follow your 2nd piece of advice and go with the 1.00.03 AD provider. I thought I would test it out on a test installation first. 

I installed DNN 4.08.00, and got that up running. 
Then installed the 1.00.03 AD provider which I got from your site. 
In the Authentication settings I enabled AD, entered my domain info, and entered in the IP ranges for auto-loggin. Update Successful.
I then log out from the Host account, delete all cookies, and hit the refresh button in IE. I get this error:

Server Error in '/DNNTest' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.


Stack Trace: 

 
[NullReferenceException: Object reference not set to an instance of an object.]
   DotNetNuke.Authentication.ActiveDirectory.ADSI.ADSIProvider.GetUser(String LoggedOnUserName) +69
   DotNetNuke.Authentication.ActiveDirectory.AuthenticationController.AuthenticationLogon() +247
   DotNetNuke.Authentication.ActiveDirectory.WindowsSignin.Page_Init(Object sender, EventArgs e) +100
   System.Web.UI.Control.OnInit(EventArgs e) +2117356
   System.Web.UI.Page.OnInit(EventArgs e) +9
   System.Web.UI.Control.InitRecursive(Control namingContainer) +321
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +692

 

 
 
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3/18/2008 3:48 PM
 
Mike Horton


Joined: 7/16/2003
Posts: 4865

You might need to add impersonation to your web.config. How to do it is detailed in the documentation (the 01.00.02 documentation on my site is valid for 01.00.03, I just haven't renamed it).
 
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