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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.Understand using virtual agents to preload pictures陆远，一个在美国打拼，成为米其林主厨的中国汉子，美国那场惨烈的车祸没能要了他的命，倒是让他越是活得结实。此次回国，陆远有三个目的：把因车祸去世的哥们儿大彭的骨灰带回来，让他落叶归根；把大彭未满十八岁的女儿彭佳禾送回到她亲妈手上；自己找个僻静的地方，栓根绳儿上吊。又看看黄瓜黄豆，让黄瓜黄豆陪你去。Speaking of which, the key question comes, that is, how does one capture an event? This involves the bubbling of the incident."Inspired by large institutions, many smaller banks have also started preparations because they have realized that they may also be the next target of attacks and have stimulated strong subjective initiative due to worries," Bolstridge pointed out.杀手翟是金三角杀手，接下暗杀干探香明的妻子，背后竟是与毒贩勾结的警司吕进，还暗中下令杀翟灭口。香与翟同遭陷害，逃亡过程中暗生情愫，最后化敌为盟，决联手对抗吕……