... web serverNetworkStoragenetwork storageIntelligent AlarmMotion detect, Video loss, Network disconnection, IP address conflict, Storage full, Storage device errorProtocolsTCP/IP,HTTP,DHCP,DNS ... ,DDNS, PPPoE,SMTP,NTP(HTTPS,SIP ,802.1x,IPv6 optional)BasicAnti-flicker, Dual stream, Heartbeat, Password protectionInterface Communication interface1 ...