Computer networking protection system

The utility model discloses a computer networking protection system has solved illegal one's share of expenses for a joint undertaking and can adopt the hard disk of directly stealing in the large -scale data service ware, direct steals the data, and staff's this moment problem of informed not, its technical scheme main points are: one side that the pin joint was kept away from to the casing is provided with infrared transmitter, and the one side of keeping away from the pin joint on the cabinet door is provided with infrared receiving device, still includes infrared control device, alarm device, all be provided with the mounting groove on casing and the cabinet door, the mounting groove supplies infrared transmitter, infrared receiving device installation, when the cabinet door was opened, controlling means control alarm device reported an emergency and asked for help or increased vigilance with the realization, when the cabinet door was closed, alarm device did not did not report anemergency and ask for hel