摘要： 本文具体分析了分布式拒绝服务攻击（ＤＤｏＳ）工具ＴＦＮ２Ｋ的攻击特点，并根据一次实际阻击，提出了一些初步的防范措施．

关键词: 拒绝服务, 分布式拒绝服务(DDoS), 防火墙, 后门

Abstract: This paper introduced the technical features of DDoS attacks and DDoS attack tool-TFH2K, by concluding the experience of fighting back DDoS attack, some defending methods were recommend.

中图分类号: 

• TP393.08