Authentication and Authorization

Define Authentication and Authorization.

Authentication is the process of verifying user's identity. Authorization is the process of granting privilege to authenticated user. The user is validated using authenticated process and then the authorization process identifies if the user has access to a given resource.................
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What is the authentication mode available in ASP.NET?

ASP.NET supports three authentication modes through the System.Web.Security namespace. Windows Authentication: The windows authentication authenticates users based on their windows accounts. In short, it uses windows network security. It uses IIS to perform authentication...................
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How do you set authentication mode in the ASP.NET application?

You can set authentication mode using web.config file.
<authentication mode="windows">
<authentication mode="passport">
<authentication mode="forms">.................
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List out the difference between windows authentication and form authentication.

Windows authentication uses windows account whereas form authentication maintains its own user list. Windows authentication is best suited for the application which is meant for a corporate users..............
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How do you impersonate the authenticated user in ASP.NET?

Impersonation means delegating one user identity to another user. In ASP.NET, the anonymous users impersonate the ASPNET user account by default...............
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How do you provide secured communication in ASP.NET?

ASP.NET provides secured communication using Secure Sockets Layer. The application to use SSL need to have an encryption key called a server certificate configured in IIS................
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Describe how the ASP.NET authentication process works.

ASP.NET runs inside the process of IIS due to which there are two authentication layers which exist in the system.............

Explain the ways of authentication techniques in ASP.NET

Custom authentication needs installation of ISAPI filter in IIS.........

Windows authentication.

If windows authentication mode is selected for an ASP.NET application, then authentication also needs to be configured within IIS since it is provided by IIS............

Passport authentication

Passport authentication provides authentication using Microsoft’s passport service............

Forms authentication

Using form authentication, ones own custom logic can be used for authentication............

Explain how authorization works in ASP.NET

ASP.NET impersonation is controlled by entries in the applications web.config file...........

ASP.NET Interview questions part 5 includes following questions with answers

Describe use of error pages in ASP.NET. | Explain tracing in ASP.NET | What is the use of ComVisible attribute? | Define Windows and Forms authentication. | What is Secure Sockets Layer (SSL) security? | Why is the Machine.config file? | Explain how to distribute shared components as part of an installation program? | Define Unit testing, Integration testing, Regression testing. | Define HTML and XML.

ASP.NET and its Methodologies

ASP.NET attempts to make the web development methodology like the GUI development methodology by allowing developers to build pages made up of controls similar to a GUI...............

Problems ASP.NET Solves

Microsoft has released various web application development methodologies since the shipment of IIS in Windows. Why do developers need ASP.NET? What problems does ASP.NET solve that the previous development methodologies did not solve?............

ASP.NET issues

The truth is that ASP.NET has several issues that need to be addressed.............

ASP.NET Handling the DataList control events

The Repeater, DataList, and DataGrid controls support event bubbling. What is event bubbling? Event Bubbling refers to the ability of a control to capture the events in a child control and bubble up the event to the container whenever an event occurs........