... , DDNS, NTP, PPPoE, UpnP, IGMP, and LLTDSupport port range forwarding Exposed host (DMZ), DNS proxy, URL content filtering, save/restore configuration ... , DDNS, NTP, PPPoE, UpnP, IGMP, and LLTDSupport port range forwarding Exposed host (DMZ), DNS proxy, URL content filtering, save/restore configuration ...