What is App Service authentication and authorization?

Azure App Service authentication and authorization is a feature that provides a way for you to restrict access to your app services. It requires no complex configuration or writing any code for implementation. Let's see how it works and manages to do this.

Authentication

For app services users to get authenticated, we can choose from a set of identity providers (Azure Active Directory, Facebook, Google, Microsoft Account, and Twitter), or we can implement our own custom authentication mechanism.

To get authenticated using one of the identity providers, you first need to configure the identity provider to know about your application. The identity provider will then provide with IDs and secrets that we provide to the App service. After this, the users can be directed to an endpoint that enables them to sign in.

In the case of service-to-service scenarios, App Service can protect your application using Azure Active Directory. The calling application...