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Proactive network forensics system based on agents

DAI Jiang-shan~1,XIAO Jun-mo~1,CHEN Bo~2,ZHENG Jun-jie~1,LIU Jing~1(1.Institute of Communications Engineering,PLA Univ.of Sci.& Tech.,Nanjing 210007,China;2.Naijing Normal University,Nanjing 210097,China)  
A proactive network forensics system based on agents was designed and implemented in this paper.The integrity of digital evidences was protected by integrity algorithm,which was collected and stored from intrusion detection systems and host systems.Technology and methods such as correlation of time and space of network attack phases,fusion of time and space characters of data stream, fusion of data stream and data packet characters were employed in the system to analyze multi-phase network attack process and trace back the attack origin.The result of appraisal and application indicates the system can satisfy network forensics requirements and implement network forensics main functions.
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