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A TCP connection is a quad, and a connection is uniquely determined by the source IP, the source port, the destination IP and the destination port. Therefore, if C wants to forge the packet from A to B, it should fill in the above-mentioned IP header and TCP header with the source IP, source port, target IP and target port. Here B is the server, IP and port are open, A is the target we want to attack, IP certainly knows, but the source port of A is not clear, because it may be randomly generated by A. Of course, if we can find out the rule of generating source port for common OS such as Windows and Linux, we can still do it. In addition, we can step on the connection port of Car A through a large number of controlled hosts.Next, start exporting dry goods.项羽实在听不得他聒噪，不耐烦道：别废话了，闭上你的嘴巴老实待在着，陪本将军看一场好戏。杨长帆转过身，正视嘉靖，我对皇帝不满意，他愚蠢，昏庸，近奸远忠，固守成规，只求修仙得道，不顾天下子民，江山社稷。那个混蛋，我饶不了他，一定为你出气。一心想成为篮球高手的张健一，11岁那年诊断出患有家族遗传疾病，只要过度激烈运动都有可能会导致心脏破碎。从此以后，健一把篮球梦藏在投篮机跟虚拟篮球电玩里。他苦练投篮，想像自己也能成为像斯蒂芬·库里那样的神射手。16岁那年，适逢恒星高中篮球队筹备参加篮球乙级联赛，篮球队经理妍熙意外发现健一惊人的命中率，认为健一是篮球队的救世主，热情邀请健一加入篮球队。面对父母的反对、身体的限制、以及队友的不屑，健一究竟能不能坚持梦想，突破极限，勇敢追求自己的篮球梦？于是三方展开混战，一时之间，网上好不热闹。