(The informatization construction of kedun intranet security platform has now become an important part of the construction of enterprises, Z government, J customs, J Team and other departments, and intranet security has increasingly become the focus of attention. Since 2003, with the continuous outbreak of SQL worm, "shockwave", "shockwave", "panda burning incense" and other viruses as the starting point, many terminal security events such as yanzhaomen incident, jasmine incident, large website user information theft, computer file leakage, password leakage, hardware asset loss, server system paralysis have occurred frequently in local networks, It is a headache for the network managers of Z government, J customs and enterprises. How to ensure the security of the network, how to improve the work efficiency of the terminal, and how to uniformly manage the computer of the terminal have increasingly become the focus of Z government and enterprises.)