ASP.NET Core | Servers in ASP.NET Core

Server is required to run any application. ASP.NET Core provides an in-process HTTP server implementation to run the app. This server implementation listen for HTTP requests and surface them to the application as a set of request features composed into an HttpContext.
ASP.NET Core use the Kestrel web server by default. ASP.NET Core comes with:

  • Default Kestrel web server that's cross platform HTTP server implementation.
  • IIS HTTP Server that's in-process server for IIS.
  • HTTP.sys server that's a Windows-only HTTP server and it's based on the HTTP.sys kernel driver and HTTP Server API.

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