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近年来,P2P技术的应用为互联网内容传播领域做出了重要的贡献。但是这一技术也由于其自身的分布性和开放性的特点,不可避免的遭遇了安全性的问题。本文首先分析了P2P网络自身的机构特点,探讨了P2P的文件传输机制,分析了P2P病毒的传播的理论依据及现阶段P2P网络自身存在的安全漏洞。然后设计了适用于P2P网络机制的病毒检测算法最后论证了这种方法的可行性。
In recent years, the application of P2P technology has made an important contribution to the field of Internet content transmission. However, due to its own distribution and openness, this technology inevitably encounters the problem of security. This paper first analyzes the characteristics of P2P networks, discusses the P2P file transfer mechanism, analyzes the theoretical basis of P2P virus propagation and the current security vulnerabilities in P2P networks. And then designed a virus detection algorithm suitable for P2P network mechanism finally demonstrated the feasibility of this method.