how to block all youtube websites

I would like to be able to block all youtube websites. Pretty much any url path that includes youtube. We have Watchguard. Does anyone know if there is a way to do this. Obviously there are other ways of getting there than by just typing www.youtube.com.
stevek65Asked:
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dpk_walConnect With a Mentor Commented:
If you have webblocker enabled then you can find the category in which youtube is listed and block the entire category or you can add webblocker exceptions: denied exceptions and put youtube website there with URL; firebox would do DNS lookup and save IP and would prevent traffic from flowing to those IP address.

If you don't have webblocker license, then you can create a HTTP service and configure as below:
Incoming Disabled
Outgoing Enabled and Denied; from Any; to public-ip-address-of-youtube-website

If there are multiple IP addresses you would need to add all; if you want to block more traffic than the HTTP traffic then you can create a custom service to block traffic or even ANY Service; the service would be configure same as above in all cases [Barring ANY in which ANY keyword cannot be used; so you can use Trusted in place of Any for "from"].

Please note: You might need to keep a track if the IP address changes and add more IP address if the domain gets more IP/changes IP for complete protection.

Please implement and update.

Thank you.
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