Force Strict Safe Search

Advanced URL Filtering

Force Strict Safe Search

Table of Contents
End-of-Life (EoL)

Force Strict Safe Search

Follow these steps to enable transparent safe search enforcement on your network.
Where can I use this?
What do I need?
  • Prisma Access
  • PAN-OS
  • Advanced URL Filtering license (or a legacy URL filtering license)
  • Legacy URL filtering licenses are discontinued, but active legacy licenses are still supported.
  • Prisma Access licenses usually include Advanced URL Filtering capabilities.
You can provide a secure and seamless search experience for Bing and Yahoo end users by transparently enabling strict safe search. Instead of blocking search results when end users search without having enabled strict safe search, the firewall automatically turns on strict safe search and returns only strictly filtered search results. Schools and libraries, for example, can benefit from automatic enforcement that ensures a consistent learning experience.
To activate transparent safe search enforcement, you’ll need to enable Safe Search Enforcement in a URL Filtering profile and replace text in the URL filtering safe search block page file with text provided in the following procedure. The replacement text contains JavaScript that appends search query URLs with strict safe search parameters for the search engine used to search.
The URL filtering safe search block page does not display in the browser.
After completing these steps, the firewall executes the JavaScript whenever an end user searches. For example, suppose a student’s Bing SafeSearch preference is set to
when they research a concept likely to yield inappropriate results. Detecting the safe search preference, the firewall appends
to the search query URL. Then, the search engine displays appropriate results and the SafeSearch preference changes to

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