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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.很固执，很死脑筋。1982年至1986年在NBC播出的《霹雳游侠》曾十分热门。老版中，DavidHasselhoff扮演的游侠驾驶着人工智能跑车KITT惩恶扬善，让80年代的电视迷记忆深刻，如今游侠的儿子MikeTraceur将带领他的朋友和全新的奈特工业3000号跑车重回荧屏，继续与邪恶作斗争。Sarah是斯坦福大学哲学博士学位的候选人，一天她从KITT那得知他的爸爸Charles失踪了，于是她和KITT启程去寻找她儿时的玩伴兼前男友MikeTraceur，并说服了Mike帮她一同寻找Charles以及隐藏在这背后的真相。这前面的日子，就当放你们出去锻炼好了。父母离异，自小分离的王南月、谭北星兄弟两人在大学校园里重聚。两人阴差阳错地被安排住进同一间寝室，与同寝小有名气的漫画家万机以及高富帅万人迷苏少臣共同组成了南北大学“四剑客”。后来与同班的刘璐玲、俞佳音以及张莉雅三位女生成为好朋友。来自五湖四海的七位年轻人，在大学校园中，因为怀抱着同样的梦想，一起努力奋斗，挥洒着青春热血。几对青年男女在长时间的相处中，产生了不一样的情感，王南月靠改变感化了女神刘璐玲，谭北星和张莉雅的感情也在慢慢升温，苏少臣依旧与篮球作伴，万机为了纪念这段热血岁月，开始在网上连载《南北兄弟》漫画，用画笔描绘着这段独一无二的青春。1. First of all, we must think about who is the publisher (such as the seller above).