... in web server, Support CMS, NAT traversal *4 Channel D1 Dual-stream Video Compression Standalong Security DVR , CCTV Digital Video Recorder Security ... 4CH DVR , Net Video DVR , H.264 ... 10/100/1000M)Remote OperationHTTP, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm ...