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摘要
Based on the DDoS attack on application layer and the difference of normal users' access habits and the traffic features, we proposed a user rating based defense system for DDoS application layer attack. This system can significantly improve the detection rate through analyzing and scoring the access record of source IP address as well as the traffic features. Besides, the new system supposes to send verification code to users whose scores are below the threshold, which can efficiently promote detection rate of DDoS attack, reduce false alarm rate and significantly enhance normal users' experience.
- 出版日期2016
- 单位北京大学
