Learn more about URL filtering, Profile Allow Categories, and what happens if traffic is set to allow from a URL category.
Custom URL categories and external dynamic lists of type URL are displayed under Category. By default, Site Access and User Credential Submission permissions for all categories are set to allow. The URL Filtering Profile Allow Categories best practice check ensures the URL categories under the Site Access section are not set to allow.
For more information about URL Filtering Profile Allow Categories, please review the following articles: