Real-time SCADA system bears, near real-time control of the business and management information services, high data reliability requirements, SCADA systems also need to be connected with higher-level automation systems, office MIS systems, and high network utilization, there is a many security risks. Dispatching automation network if they can establish a more comprehensive security mechanism to properly configure the security system will make full use of the Internet age to bring efficient and convenient, greatly accelerate the development of power enterprises, but also to the dispatch maintenance personnel with to great convenience. In this paper, according to the network security system level and network security system design criteria, a method to build SCADA network security implementation, and from the firewall physical isolation in-depth analysis, we proposed the establishment of power dispatching network security solutions. The article also pointed out that, in addition to technical factors, management systems and personnel are also important factors affect network security.
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