分布式DoS攻击检测系统的改进研究
Improvement research of distributed DoS attack detection system
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摘要: 为了对抗分布式DoS攻击,提出了一个改进的分布式DoS攻击检测系统:采用贝叶斯方法,根据第一次连接的状态,计算后验概率,据此对系统检测攻能进行改进;采用被动响应的方式,改进系统响应功能,对检测到的入侵行为,进行实时响应.仿真实验表明,该改进措施减少了误报率和漏报率,提高了系统的实时响应性.Abstract: An improved distributed denial of service (DDoS) attack detection system was proposed for defending DDoS attack.The system detection was improved using bayesian methods to compute posterior probability and according to the state of the first connection was used.In order to improve system response function,the passive response is used against the intrusions by the real-time response.The result of simulation indicated that the improved system has reduced the rate of false positives and omission,and improved the real-time responsiveness.
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Key words:
- denial of service attacks /
- attack detection /
- information response /
- network security
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