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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.痴迷美食的西餐主厨李雨哲（Mike饰）与天生味觉灵敏的电视美食节目编导宋佳茗（毛晓彤饰），因为制作一档美食节目而“杠上”，两人从最初的欢喜冤家到逐渐被对方所吸引，然而上一辈千丝万缕的恩怨纠葛却令他们备受考验，两人历经坎坷却依旧坚持梦想勇往直前这是一部网络古装轻喜剧，讲述的是七剑宗庄主孙景麒、与不空、九号、西门、飞花等众人意外卷入一场武林纷争，随即开启的一场哭笑不得的江湖之旅。"Where I hope the company can improve"　　小狗狗则是从90条参加甄选的狗狗中选出来的。因为剧中一家生活在能看见东京sky tree的老街，所以狗狗在片中被取名字叫SKY。朝日电视台称：希望这部家庭剧既能让大家感觉到欢乐又能有感动。吕馨早就看过了，而且她看的还不止这些，接下来的几章，她都在吕文心的办公室中看过了。