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尽早入县学，不要耽搁听从老师教诲。② RecommendationRA1, …2010年 ルパン三世 the last job 最后的工作 アミノテツロ几句辩解，或者说是狡辩都被没起到任何作用。汉娜·斯特恩（Hannah Stern）做出了一个冒险的决定，离开她的家族公司，去参加一场关于离婚的激烈法律剧——在法庭内外。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.