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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.《恋爱SOS 第二季》讲述了一个颇具戏剧性的故事，四个要债人因为同时追缴欠款凑到一起，他们想尽办法终于成功地将逃债的损友堵在十字路口，却只拿到一个行将倒闭的网站，于是合伙干起爱情委托网站。垦荒？顾涧听了发愣。这部剧写的是1942年,在抗日战争最艰苦的一年,胶东地区(确切地说是昌潍根据地)遇到了海啸灾难,颗粒无收,根据地老百姓面临断粮危险.以宫明山为首的八路军运粮小分队,包括文书郭玉文,战士大老姜,通讯员小马等人接受了为根据地送粮的任务.翘儿这就不服了，当即还嘴：是你主动伺候的我。根据陈耘同名话剧改编。 50年代，盘踞在台湾金门岛的国民党军队经常对大陆进行军事挑衅，福建沿海许多和平的村庄被炸毁，许多村民被炸死。上级领导为了保证群众的安全，决定将学校的学生转移到后方。生活在福建前线的中小学生国坚、林燕、铁牛、小明、小华人小志大，勇敢刚强，从小对国民党军队的暴行恨之入骨。