拒绝服务攻击(DoS)给政府部门和商业机构造成了严重的经济损失和社会威胁。IP追踪技术能够反向追踪IP数据包到它

们的源头，所以是识别和阻止DoS攻击的重要一步。本文针对DoS攻击，对比分析了各个IP反向追踪方法的基本原理和优缺点。-Denial of Service (DoS) to government departments and commercial organizations resulting in serious economic losses and social threats. IP tracking technology can track the IP packets back to their source, so is to identify and prevent DoS attacks, an important step. DoS attacks this paper, comparative analysis of the various IP traceback principles of the method and advantages and disadvantages.