UDP port 51820 and TCP port 443 must be allowed for outgoing traffic on your firewall.
Individual URLs and IP addresses cannot be provided as these are subject to change.
Therefore, everything should be permitted for simplexgate.net.
Following prerequisites need to be observed prior to the implementation of a new virtual appliance.
The SimplexGate Appliance requires a DHCP Server in the network for the first start to aquire a network address.