X-aspnetmvc-version Online

Are you also looking to remove the or X-Powered-By headers to fully clean up your HTTP responses?

After removal, a security assessment can confirm absence: x-aspnetmvc-version

The header is generated by the MvcHandler class, responsible for processing MVC requests. When the Application_Start method initializes the routing table, the framework binds the version string (e.g., 5.2 , 4.0 , 3.0 ) from the assembly's AssemblyFileVersionAttribute . This value is appended to the outgoing response collection. Unlike the X-AspNet-Version header (which reports .NET runtime version), X-AspNetMvc-Version is specific to the MVC library. Are you also looking to remove the or

In traditional ASP.NET MVC applications, the header is removed by modifying the Global.asax file. Developers must handle the Application_Start event and set the MvcHandler to disable the version header. x-aspnetmvc-version