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「请叫我英雄：开战之日」全世界人类被神秘病毒“ZQN”大量感染、电影「请叫我英雄」的前传。长泽雅美扮演“庸医”小田つぐみ、本sp是她还是护士时候的故事。作为实现愿望的代价，在无人知晓的情况下不断战斗的魔法少女们。　　吊儿郎当的将门子弟马八一(夏雨饰)为了一个心爱的姑娘的召唤，出人意外地毅然走进他最头疼的军营，仿佛早已注定：像他这样的人居然会进入部队，而他的人生从踏进部队大门的一刻彻底改变——在熔炉烈火中不甘心成为炉渣，经过十几年的锻烧他终于从一块废铁被百炼成钢！According to the instructions of the mission, Gu Qianqian got off the sedan chair and walked along the canal, stopping and swinging from time to time. The upper reaches of this canal lead directly to the palace, which makes Gu Xiqian think of it in the first place...In addition to solving the port problem of A, the serial number problem also needs to be paid attention to. The serial number corresponds to the sliding window. The fake TCP packet needs to be filled with the serial number. If the value of the serial number is not in the sliding window of B when it is sent to B before A, B will actively discard it. So we need to find the serial number that can fall into the sliding window between AB at that time. This can be solved violently, because the length of a sequence is 32 bits, and the value range is 0-4294967296. If the window size is like 65535 under Windows I caught in the above figure, I only need to divide, and I know that at most I only need to send 65537 (4294967296/65535=65537) packets to have a sequence number fall into the sliding window. The desired value can be calculated quickly by exhaustion on multiple control hosts.旁边有人笑道：你要送银子给咱们，咱们不能不收。