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Chapter 2郑氏无法，对板栗使了个眼色，他便出去了。阴狠背后复杂多变危机当前极度考验铁幕重重阴谋互动往返于谎言假象的壁垒中………………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.Originated from ancient times, human beings lifted stones to show their strength. Modern weightlifting emerged in Europe in the 18th century.产科医生郭靖，喜欢对任何事情进行研究、推理、分析、判断，并将此用在临床第一线。这个被领导视为“不务正业”的边缘医生竟然要追求医院里最年轻、最漂亮的获得国家政府津贴的主任黄蓉，郭靖的顶头上司产科主任黄彩云是黄蓉的姐姐，她绝不允许妹妹嫁给这样的人，所以处处设难题，层层设障碍。作为小大夫的郭靖从工作和生活的细微之处，发现黄蓉的困惑，通过不懈的努力和细心引导，以及用心的呵护，最终和黄蓉过上开心快乐的生活。