We assume that we have already created a blocking policy under “System Settings → Website blocking
→ Blackhole Policy” to set Facebook.com as bad domain.
Next, go under “Clients → Client Access” to define the list of clients to whom the policy will apply.
Figure 84: Clients ACL
Finally, and in order realize the scenario above, go under “System Settings → Website Blocking → Client
Blackhole” and click on .