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I'm familiar with using LDAP and in-house AD for user authentication. But now, I would like to use in-house AD for user authentication using MS Identity platform (Auzre AD) in my asp.net c# MVC application? Can someone point me to some resources to get me started as I have no idea how to do this? I need to do this in both Asp.Net 4.8 and .Net 6/7.
We'll need you to clarify what you're trying to do. Azure is a remote identity store in the cloud while the in-house user store in within your network. What is the use case? Can you describe how the authentication is supposed to work. The user can select the identity store to authentication; local or Azure?
,Our on-prem AD users are synchronized with Azure AD. Users would login with their UserPrincipalName such as email and their AD password.
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Then you will use azure ad for authentication. This will require creating an application in azure ad. You will need the tenantid, the clientid and the client secret.
The follow docs for configuring oauth with core
For 4.* you will need to add the owin package and use its oauth configuration.
https://learn.microsoft.com/en-us/azure/active-directory/develop/tutorial-v2-asp-webapp
I followed https://learn.microsoft.com/en-us/azure/active-directory/develop/tutorial-v2-asp-webapp and I downloaded the sample project but I don't see any Sign In view. Where do users enter their credentials to sign in?
in the azure website. you app will redirect to azure to login passing its tenant and client ids. after a successful login, azure will redirect back to your website via the azure configured reply url. the identity middleware will detect the reply url and complete the login process. it create a principal from the token and create a login cookie. also if configured it will save the refresh token in a cache.