说明：  IP反向追踪技术综述 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。 关键词 DoS攻击 主动追踪 反应追踪
(IP traceback Technology denial of service attacks (DoS) to government departments and commercial organizations have caused serious The economic losses and social threats. IP tracking technology to backtracking IP data packets to their source, So it is to identify and stop DoS attacks important step forward. This paper DoS attacks, comparison and analysis of the various IP traceback method of the basic tenets of advantages and disadvantages. Keywords DoS attack response tracking initiative tracking)