oS流量检测技术研究

With the development of the Internet, network plays a more and more important role in people’s lives. At the same time, network security is also facing unprecedented challenges. Distributed Denial of Service(DDoS) is one of the attacks which are popular and leading to great economic loss. It has become an important goal to establish an effective detection method. In this paper, it makes detailed analysis of several methods of DDoS traffic detection, including its advantages and disadvantages. Detection methods mainly based on the analysis of the characteristics of protocol and the statistics of network traffic.