Port 80 Blocked on Firewall

Ewon Support Ewon Netbiter
#1

Using Netbiter EC310. Port 80 is blocked on the firewall. Will this have any adverse affect on the Netbiter WAN communications?

#2

All traffic from the Netbiter is over port 443. So there should be no issues with the Netbiter connecting.

Here is a full list of the port and addresses used by the Netbiter.