Step 1: After enabling Firewall, click on the arrow to the bottom-right of the Firewall card.
Step 2: Click on Blocked IPs button on the bottom-right corner of the Security section.
Step 3: Here you can see the list of IPs that are blocked from entering or sending requests to the website.
Step 4: Select the IPs you want to unblock on this list.
Step 5: Click the Unblock IPs button.