Because the tools of network attack are inundant and the protocol is imperfect, Distributed Denial of Service(DDoS) attack is an attack manner once leading to widest harm, which is hardest to defense.
由于网络攻击工具泛滥,及网络协议
缺陷,使得分布式拒绝服务(DDoS)攻击
为网络中危害面广、难以防御
攻击方式。