After clicking Apply, you should be able to connect devices to the DMZ port (8) on the FVX538. Static
addresses given to those devices will be set to the 172.16.0.x subnet with a gateway of 172.16.0.1,
which is the router's DMZ IP address.
Next, we'll configure the FTP and HTTP servers' firewall rules. If we have set the FTP server's static IP to
be 172.16.0.20 and the HTTP server's IP to be 172.16.0.80, then we'll use the following settings:
Go to the Security->Firewall Rules->DMZ WAN Rules menu: