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当一切的一切已经过去了七十年，当一切繁花似锦已经如尘烟般消散，我们唯一能记得的，就是在那个风雨飘摇战火连连的时代，有着一段凄美动人的爱情故事……"QQ" contacts family members and customers, separating work and life.小爷的兄弟里面没有你。What is a birthday note?举国上下，一力同心，定要灭了安国，将秦霖和高凡擒回，以壮大靖天威……新皇登基，立即轻启战端，此非吉兆。朱县令呵呵笑了起来，连声称谢。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.