Creating a Web configuration INI file Application-specific configuration information has historically been stored in INI files, which are plain-text files that contain key/value data within sections.

An additional problem is that Web.config files were designed to be changed at any time, even after the Web-based applications are in production.

In ASP.NET Core, your web.config file with its <appsettings> section is gone. The replacement is a more extensive and configurable system that you can leverage to simplify configuring your objects.

Explore ASP.NET AJAX configuration sections in web.config, and learn how handlers and modules fit into the overall picture.

A major area where security is often lax is the web.config file. Usually stored in plain text, an intruder who gains access to this file can then easily access databases and other resources both ...

However, even the most meticulous and security-aware C# or VB.NET code can still be vulnerable to attack if you neglect to secure the Web.config configuration files of your application.