Understanding Security Every page that you create with ASP.NET is not meant to be open and accessible to everyone on…

Authentication and Authorization Security has two concepts: Authentication: This is the process of determining user’s identities and forcing the users to prove that…

Forms Authentication Forms-based authentication is a popular mode of authenticating users to access an entire application or specific resources within…

Web.config Settings We define the type of security in the web.config file by using the <authentication> tag. Here we configure…

Authorization Rules If you make changes in an application’s web.config file and request a page, you will notice that nothing…

Controlling Access to Specific Directories A common application design is to place files that require authentication in a separate directory.…

Controlling Access to Specific Files Generally, setting file access permissions by directory is the cleanest and easiest approach. However, you…

The “allow “and “deny” rules do not need to use the asterisk or question mark wildcards. Instead, they can specifically…

The Login Page After the web.config file is created, authentication mode and authorization rules have been specified. The next step…

Signing Out Any web application that uses form authentication should also feature a prominent log out button that destroys the…

Windows Authentication Windows-based authentication is handled between the Windows server where the ASP.NET application resides and the client machine. In…

You use aspects of Windows-based authentication to allow specific users who have provided a domain login to access your application…

Authenticating and Authorizing a User Now create an application that allows the user to enter data in it. You work…