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To verify SYN? Cookies, first subtract the acknowledge number in the received ACK message segment by 1 to regenerate the SYN? Cookies. The calculation of these truncated hash bit authentication values is based on the IP address, port number, sequence number minus 1, and the value in the password pool corresponding to the index number in the cookie. If the calculated values are the same as those in the cookie, the TCB initializes and starts establishing the connection. The encoded MSS upper bound is used to set an MSS value that does not exceed a reasonable size of the original value. MSS is usually implemented by 3 bits, which correspond to 8 MSS values calculated by MTU (Maximum Transmission Unit) and Ethernet header of general link.If the ammunition consumption and duration are taken as the criteria, The fighting at position 149 was not as intense as at the previous two positions, But the casualties were the greatest, Investigate its reason, It is precisely because the "living biological weapons" put into the battlefield by the Vietnamese army this time have "flying units", Not only that, It is also accompanied by another type of "living biological weapon" that can operate underground. A special "air-ground coordination" three-dimensional strike has been formed under one day and one place. This made our soldiers in position 142 overwhelmed at that time. During the interview, I had a lot of trouble to find a veteran of that year. His name was Zhang Xiaobo. When recalling the battle, I could see that he was still concerned about the battle, both in tone and manner.赵锋那脾气，是能吃亏的？他见胡镇摔杯，还冲他瞪眼，当即就要发作，也被葫芦死死拽住。When you change the shutter speed, you also change the way moving objects are recorded on the negative.王穷见香荽始终神情自如，毫不作伪，赞颂皇帝之言纯朴自然，说到自身又十分谦和低调，丝毫没想在皇帝和大臣面前出风头，禁不住又喜又忧。觉得放不下，就来看看。已过不惑之年的单身中医大夫杨光，偶然结识了“丧夫”白富美张娜，二人互生情愫，杨光决心好好照顾张娜和她腹中的孩子。不料订婚典礼之上，张娜的已故前夫白金却惊悚现身，原来这一切都是张娜为了报复白金出轨而编造的谎言。白金要求张娜净身出户，杨光将其接回家照料。与此同时，杨光青梅竹马的师妹杜茯苓婚姻生出变故，离家出走投奔杨光，杨光以一颗博爱之心同时照顾着两个孕妇，三人之间的感情也变得十分微妙，杨光的幸福究竟会落向哪方？