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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.刘邦无奈点点头，还是有那么一丝不情愿。本系列纪录片的第二季，该片将目光聚焦中国历史上现象级的文化名人，希望通过解读这些人物的人生故事与艺术成就，去梳理出数千年的中华文明史以及背后的文化内核。Public class Example1942年，十万中国远征军溃败怒江，五万英灵长存边缅。时隔一年后，远征军军部得到密电，日军正在野人山中研制一种毒气弹，如果被日军得逞，怒江沿岸局势堪危，将直接影响到反法西斯战局。于是，军部决定派遣一支特别小分队，跨过怒江，潜入野人山阻止日军的阴谋。特别小分队的队员们克服野人山严苛的自然环境，步步为营，与日军斗智斗勇，展开了激烈而悲壮的抗争。与此同时，驻守怒江沿线的国军第36军与腾冲中共地下党紧密合作，营救人质，牵制日军，为小分队的行动提供了掩护和支援。几经坎坷磨难，特种小队二进二出野人山，终于在危机爆发关头摧毁日军的阴谋，为战局的扭转做出了重大贡献。不久后，远征军以野人山为突破口，拉开了滇西战略大反攻的序幕。该片讲述了日本男人在韩国首尔寻找爱情的故事，加濑亮扮演爱上比他年龄大的韩国女人，并为了爱情追到韩国的痴情男阿森。周星河已经在下午两点。