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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.This is it for the time being. Let me have some experience.小葱上前，拿起梳子，三两下梳通了，分了一半披在脑后，余发拢至头顶挽起，然后用一条蓝色缎带束住，并随发垂下两截。Vertical speed (ft/min)全剧过程，峰回路转，揭发了许多令人意想不到的情景，构成一幕连一幕的高潮，他们的矛盾冲突也形成了迭起的激情。暖心喜剧呈现洋气新东北小人物的大群像，小康新年阖家欢展现漫漫烟火气，抚慰纷纷凡人心。冰雪童话之境，程家的三个女孩儿开启归家寻爱之旅。徐家父亲逝世了，身在美国的徐定贵应叔父的邀请回到了香港承继遗产。徐定贵有个同父异母的哥哥徐定富，定富对于这个前来分家产的弟弟十分不满，刚好叔父要求定贵在公司工作，并要求他表现良好才能顺利领得遗产。为了能独吞财富，假仁假义的定富故意招来了三位出名的损友，跟定贵成为朋友后把他教坏。意想不到的是这三位损友不但没有把定贵教坏，四人还成为了好友。当他们知道了定富的阴谋之后，决定联手对付卑鄙的定富。