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Http://bbs.a9vg.com/thread-5284828-1-1. Html他后悔的要命，刚才还幸灾乐祸呢，亏他还时常翻看这《大靖律法》，竟然糊涂如此。The attacker first completes the three-way handshake to establish the connection, but in the last ACK reply of the three-way handshake, the TCP window size is set to 0, and then a data request is made. When the attack target sends the request result to the attacker, it stops the data transmission when it finds that the TCP window size is 0, and sends out a TCP window detection packet to ask the attacker if the TCP window has been updated. Since the attacker will not update the window size, the attack target will always maintain the TCP connection and wait for the data to be sent, and continuously carry out TCP window size detection. When the number of controlled hosts in the botnet is large, Target's connection table will gradually be exhausted, resulting in denial of service.叛党头目闫震见拉拢不成就准备杀害叶无忌，但在就要行刑时，叶无忌的江湖好友杀入大牢救出了叶无忌。　　有一部分年轻科学家，早在多年前就已经有过这样的预案，可惜这一次病毒来得太快，他们有些措手不及。在最后关头，人类最后的时刻，他们发现了病毒的唯一特性，那就是：在阳光无法照射到的宿主体内，病毒的存活时间最多只能存活237小时。于是他们研发了237疫苗。但此时地球上的幸存者已经寥寥无几。While (it.hasNext ()) {