Types of Authentication in .Net

The different authentication methods are as follows…


Windows Authentication

ASP.Net uses windows authentication along with IIS authentication. IIS in turn has different ways to authenticate; anonymous, basic, digest, windows integrated (NTLM & Kerberos) & client certificates.



Forms Authentication

Takes inputs from the user through a webform and then authenticates them against a DB table or text file etc to verify if the user is valid.



Passport Authentication

It’s a centralized authentication service provided by Microsoft. User has to login\register only once and then the information can be used by the member sites or subscribing applications to verify the user.

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