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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."Yes, even if you go underground, those who drill shallower can still be powerful. There is really nothing you can do about those who drill deeper. You can only stare and wait for them to come forward and come out before hitting. That is very dangerous. This is why many comrades were killed and bitten by them." Zhang Xiaobo said.这对夫妻已经结婚十年，有两个孩子。一天，妻子弗朗西斯（莎拉·杰茜卡·帕克 Sarah Jessica Parker 饰）醍醐灌顶般地开始重新审视自己的人生和紧张的婚姻关系，却发现想要一刀两断、重新开始，可没想象得那么容易。以项羽为首的诸侯联军早已做好两手准备，双管齐下。世子怎会不高兴呢，他这是累的。该剧由艾里克斯·库兹曼([蜘蛛侠：英雄归来])自编自导，詹妮·吕美特([蕾切尔的婚礼])共同参与编剧，该剧根据1976年大卫·鲍伊主演的电影[天外来客]改编，故事以沃尔特·特维斯撰写的同名科幻小说为基础，讲述一个外星人在人类进化的转折点来到地球，他必须直面自己的过去以决定人类的未来