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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.一个堕落的牧师，一个传奇的恶魔猎人，和一个现代超级英雄联手对抗邪恶。在出版社工作的新见佳孝（千叶雄大饰）被调动到时尚杂志《ピピン》后成长的故事李文喜带领着一群农民工，在沈阳一家建筑工地干活，3个月没有给工人发工资，然而李文喜根本不管不顾工人的感受，在外吃喝玩乐。李文喜的朋友张宝俊是一个无业者，到处花言巧语欺骗女人钱物。张宝俊以帮助弟弟学习为借口，以介绍女孩子为好处，骗取李文喜钱财，然而李文喜花了很多钱也没得到张宝俊介绍的女孩。终于有一天李文喜被工人堵在按摩店，张宝俊被两位女友揭穿，二人同时落魄，此时张宝乐在学校也经历了一场诡异事件。张宝俊希望在李文喜请弟弟吃饭的时候再次骗钱，而李文喜则希望从张宝俊身上要回点钱，于是三人在饭店见面。饭桌上李文喜发现彼此都是穷光蛋，在极其懊恼的情况下突发奇想，三人约定挖宝致富，然而三人并不知道到，他们的计划其实在冥冥之中早已安排好了。5 No parking is allowed within 30 meters at bus stations, first aid stations, gas stations and fire brigades (stations).Therefore, to sum up the distinguishing methods, the two main differences are:For recursively scheduled events, the end date cannot be before the start date.