Learning ASP.NET Web API (Video 22)

This video tutorial covers the concept of Cross-Origin Resource Sharing (CORS) in Web APIs. It begins with an introduction to SSL and CORS, explaining the same-origin policy and its security implications. The video defines what an origin is and discusses common CORS issues, such as API calls failing due to CORS restrictions. It then provides a detailed guide on configuring CORS in ASP.NET Web API, including setting up policies to allow requests from different origins. The tutorial also explains how to apply these CORS policies at the application, controller, and method levels, and concludes with a brief overview of the next topic, which is input validation.

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