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Site Security Using Authentication and Membership
Authentication and Membership are critical components of security in ASP.NET. They provide a way to authenticate users and manage their roles and access to resources in the application.
Authentication is the process of verifying the identity of a user. Once a user is authenticated, the application can control access to resources based on their role or authorization level.
Membership is a framework in ASP.NET that provides a way to manage user credentials and roles. It includes providers for storing user information in a database, as well as methods for validating user credentials and checking role membership.
In ASP.NET, there are two main types of authentication:
Forms Authentication: This method authenticates users based on their username and password. It uses cookies to track the user’s identity across multiple requests.
Windows Authentication: This method uses the user’s Windows credentials to authenticate them. This is typically used in an intranet environment where users are already logged into their Windows domain.
To enable authentication in an ASP.NET application, you need to configure it in the web.config file. You can specify the authentication mode, the default URL for the login page, and other settings.
Once authentication is enabled, you can use the ASP.NET Membership framework to manage user credentials and roles. This includes creating and deleting users, changing passwords, and assigning roles.
To control access to resources in your application, you can use the ASP.NET Role-based security model. This model allows you to define roles for users and specify which resources they can access based on their role.
In addition to the built-in authentication and membership features, ASP.NET also provides support for external authentication providers such as OAuth and OpenID. These allow users to authenticate using their credentials from other services such as Google or Facebook.
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