1. Run Network configuration in Menu System. Make sure you assign the correct red interface which is passed to the vm from the physical Server.
2. Edit hosts in Menu Network. Add all hosts with static IPs here.
3. DHCP server in Menu Services. Make sure all interfaces are off, and refer to DHCP Server - dnsmasq
4. Setup Dynamic DNS in Menu Services.
5. Click Time server and edit time zone.
6. Enable Intrusion prevention in Menu Services.
7. Setup Port forwarding / NAT in Menu Firewall. Add all ports you need to forward traffic to the respective machine, including HTTP(80) and HTTPS(443) to the web server. Make sure receiving machines such as NAS are configured correctly to access the internet.
8. Disable the Outgoing firewall in Outgoing traffic.

Administrative Guide