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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."I remember we had a very clear division of tactics at that time, First, adjust all the automatic rifles in hand to semi-automatic shooting mode, Of the 15 men, apart from the gunners and the bazookas, Most of the others use '81 bars', There are also a small number of 63 types, I'm using the 63, One of the characteristics of this gun and the 81-bar is that the single shot accuracy is especially good, Even better than '56 and a half', Much better than 56 Chong and some Mao Zi guns captured from the Vietnamese, At that time, in order to give full play to this advantage in precision, The company commander ordered us to use this tactic, The concrete implementation is to use heavy machine guns to suppress fire in hidden places, In addition to killing as many enemies as possible, If the enemy takes tactical actions such as lying down to avoid shooting, Then use machine gun fire to limit its movement range, That is to say, they are suppressed in situ, and then rifles are used to give full play to the advantage of high semi-automatic shooting accuracy, giving them "roll call" one shot at a time. This tactic is still very effective in dealing with the first and second large-scale attacks, with extremely high efficiency, and almost all the Vietnamese troops who came up were killed on the way to attack.《探长薇拉》第十一季于2020年8月获得预订,本季共六集,其中前两集将于2021年制作并播出,后四集将于2022年制作并播出。结果陈余却以如以肉委虎，徒尽亡军的理由拒绝援助。This standard is under the jurisdiction of the First Research Institute of the General Administration of Civil Aviation of China.在整理父亲的遗物时，宁文源发现了一个放有书信、半块犀角佩、还有一幅双龙绘制图的秘藏匣子。在大家的努力下，双龙的秘密解开了。纪录片《长城：中国的故事》以长城为线索，对中华 民族从春秋战国时期到明清时期近 3000年的发展史进行了生动的描述， 对农耕民族和游牧民族的纷争、融 合，最终实现统一的历史进程进行了 详细刻画。