Is there a documentation of what is contained in web.config

Providing support to application that runs on ASP.NET framework reads application level we开发者_StackOverflow社区b.config file. I know apart from this there are is machine level web.config and another one. Sometimes customers make changes to machine level web.config for some reason. Is there a complete documentation of each configuration/parameter available in web.config explained somewhere ?

MSDN - ASP.NET Configuration File Syntax

These might help -

Format of ASP.NET Configuration Files

ASP.NET Configuration

ASP.NET Web.config File Explained

Since it's possible to add custom configuration sections to a web.config file, there is no such thing as complete documentation.