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With the development of computer technology and the growing popularity of Internet applications , the WAN running of illegal invasion , especially the increasing number of security threats from within the network . The problem of this study is detection system based on the the gigabit WAN platform network information . The system uses C / S modes of communication networking systems and applications , a real-time large traffic network information flow detection and management tools are widely applicable to the ISP level network information detection ( EMAIL, HTTP , FTP, Telnet , etc.) . The system through the packet network to bypass the listener , the spread of illegal information , classified information leaks , as well as the discovery of harmful information , yellow and reactionary , tracking , positioning , recording and auditing ; system can follow user-defined policy of massive data information filtering , analysis and tracking , can also be based on the detection and analysis of user-defined strategy of the network data stream reduction, classification, and alarm or response . It is the network security industry management department to oversee the Internet staff compliance and network data detection forensics effective means to provide the technical basis for the network information system security management .
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