| 摘要 |
PURPOSE: A network switch control digital video recorder is provided to increase the reliability of security equipment by blocking the hacking attack of an IP camera or a network storage. CONSTITUTION: A network switch module(210) includes cameras(240), a network storage(250), an external computer(230), and a DVR(Digital Video Recorder) module(220). A network switch module multiplexes data input/output between ports. The network switch module monitors a data input/output state between ports of the network switch module. The network switch module controls the data input/output of the network switch module according to a monitoring result. |
