Glory88

Have open port 80 and 443 for all IP traffic but as you can see, it's still too little to work.

Add more infromation. Board working but can't reflash license and see this error. Why I use this firewall and can't disable, because I have for my IP open FTP, SSH port. Thanks for any reply.

Hi i use on my hosting (OVH) firewall on panel OVH. I block all ports TCP and UDP. Only have open 80 and 443 and have problem to checking license and connection: When disable firewall totally all work. Can tell me what IP or Port must be open, only TCP 80 and 443 not work. Thanks for answer.