20.12.2020
In your Cloudflare account go to section Firewall > Firewall Rules
of your site and click Create a Firewall rule
.
OptiPic Allow
(you may set the name as you wish)
If the IP matches the list of IP addresses OptiPic:
5.9.115.17
5.9.117.98
Allow
Save the new rule!
Rule settings screenshot:
Cloudflare official Documentation for creating Firewall Rules.