Each page in an MVC application I\'m working with sets these HTTP headers in responses:
X-Powered-By: ASP.NET X-AspNet-Version: 2.0.50727 X-AspNetMvc-Version
As shown on Removing standard server headers on Windows Azure Web Sites page, you can remove headers with the following:
This removes the Server header, and the X- headers.
This worked locally in my tests in Visual Studio 2015.