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提出了一种利用被动监听Overlay网络进行DDoS攻击源追踪的新方法。它能够跨越多个自治系统追踪一个大规模DDoS攻击的多个攻击源。基于该方案,设计和实现了一个IP源回溯系统:SnifferTrack。描述了它的体系结构和组成、追踪过程和算法。最后,提出了SnifferTrack系统中的几个局限以及进一步的工作。
A new method to track DDoS attacks using Passive Monitor Overlay network is proposed. It can track multiple sources of attack for a large-scale DDoS attack across multiple autonomous systems. Based on this scheme, an IP source backtracking system is designed and implemented: SnifferTrack. Described its architecture and composition, tracking process and algorithm. Finally, several limitations and further work in SnifferTrack system are proposed.