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　　直到站在礼的婚礼宴席上，健才感到了一种追悔莫及的悲痛，这股强烈的情感引来了妖精（三上博史饰），妖精施展魔法帮助健回到过去，改写历史，可是纵使一次又一次地穿越，健的始终踌躇不前，礼的始终欲言又止，使两人的关系终无突破性变化。否则，被引入误区，反适得其反。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.25功不可没，重要性也不言而喻。　　三年后韩平成了广告公司的白领丽人。她不愿放弃尊严而与老板马雄博发生了冲突。韩平