It can Enable Web server access on WAN interface on per ports basis from 1 to 65535.
You also can set MAC Clone, Enable or disable Ping Access on WAN. Enable or disable
IPsec, PPTP, L2TP pass through on VPN connection and Line Detection.
Fig 4.5.1 Default WAN Advanced setting for AirONE APO300
Fig 4.5.2 Enable Port setting for WEB server for AirONE APO300