How to block an (accidently) unblocked IP?

[Guest Lynne]

Under Setup -> Network Protection ->  Troubleshooting Wizard => I accidently unblocked 2 IP addresses that should be blocked. How do I block those previously unblocked IP's?

[Marcos 3,983]

If you open the firewall rule editor, you'll see rules created by the wizard that you can edit, e.g.: