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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.I. General Settings of Word Columns镇国公夫人再蠢，也不会上赶着让外甥女做妾。最后的最后，祝福自己越写越好，祝福所有《回家》书友幸福美满，快乐随心。郑氏微笑着对他点头。马天放十六年前的军火案，欧家十六年前的家破人亡，“沈姑婆”“刀疤刘”的意外身亡等谜底渐渐被揭开。三个家族，两代人的爱恨纠葛，一场围绕“十六年前爱情”展开的家族恩怨，当一切事情终归平淡后，有情人终成眷属，司徒雪与季岳、陈尘与季峰，若岚和少马爷最终走在一起。