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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.全新的米奇回来了！ 这次米奇将和米妮、唐老鸭、黛丝、高飞、布鲁托等好朋友们一起走访世界各地。经典卡通搭配新颖画风，加上逗趣的故事情节，呈现出米奇诙谐调皮的性格。 故事内容将遍及圣莫尼卡，纽约，巴黎，北京，东京，威尼斯和阿尔卑斯山，米奇和他的朋友们每一集都要面临诙谐搞笑的情境，你最喜欢的米奇和他的好朋友们，将用全新姿态为你带来更多爆笑时刻。在这部未来惊悚片，世界成为一片冰冻的荒芜之地。残存的人类居住在一列巨型列车上，永无止尽地绕行全球。但是，还没有蹦几下，华夫人就被门槛绊倒了，摔了一个狗吃屎。真乃天降神器。一桶桶的火油从天而降，火箭凌空而来，烧死窒息者不计其数。Website 1: http://www.itpub.net/thread-49776-1-1. Html (this is also off power)