Security :: Authentication Using IIS's Windows Identity?

Jul 30, 2010

I want to know if this kind of authentication is possible.

We have an Active Directory account and that account we are using to log in to windows. I have a simple system that needs authentication using the IIS log in box (i dont know what do you call this but what I know is it only comes out when Anonymous user is unchecked in the IIS configuration.) Now, I want this box to appear before my page and the user will be authenticated and be compare to the user who logged in to the windows. If the user who have been authenticated is the same as the user who logged in to the windwos then we will let him in if not he must be denied in accessing the page.

The first problem I have in my mind is how to code it in asp.net to make an authentication when he will try to access my page.

Second is, let us say we have succeeded to show the authentication box, how can I get the username from the log in box and compare it to the user who logged on in windows. Of course we can get the user id of the logged in user from the windows using User.Identity.Name but how about the username from the log in box.

Note: I will not use log in forms even using https. Just the log in provided by the IIS according to the configuration.

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