4.Go to Connections -> WAN Options and activate "Open SMB/CIFS on WAN port"
5.To have HTTP and FTP access from outside to the FSG-3, you have to forward port 80 (HTTP) and port 21 (FTP) to the FSG-3 IP address. This is the fixed WAN IP address assigned in step 3 (e.g. 192.168.2.2).