Customizing Umbraco behavior using settings

Umbraco has hundreds of settings that can be configured to customize its behavior. Settings are grouped into categories, including the following main ones:

• Content settings: For example, allowed upload file types, allowed image file types or autofill image properties, visuals like the background image shown on the login page, and so on.
• Security settings: For example, whether to keep users logged in, password rules, and so on.
• Imaging settings: Configure the browser cache and resize settings for processed images on your project.
• Global settings: Configure default UI language, reserved links, and so on.

Content settings

Content settings includes settings such as allowed upload file types, image settings, and more. All the values in the content settings have default values, so all configuration is optional.

An appsettings.json file that shows the default values of content settings in Umbraco is...