Objects > Security Profiles > URL Filtering

You can use URL Filtering profiles to not only control access to web content, but also to control how users interact with web content.

What are you looking for?	See:
Control access to websites based on URL category.	URL Filtering Categories
Detect corporate credential submissions, and then decide the URL categories to which users can submit credentials.	User Credential Detection URL Filtering Categories
Block search results if the end user is not using the strictest safe search settings.	URL Filtering Settings
Enable logging of HTTP headers.	URL Filtering Settings
Control access to websites using custom HTTP Headers.	HTTP Header Insertion
Looking for more?	Learn more about how to configure URL Filtering. Use URL categories to prevent credential phishing. To create custom URL categories, select Objects > Custom Objects > URL Category. To import a list of URLs that you want to enforce, select Objects > External Dynamic Lists.

Document:PAN-OS Web Interface Reference