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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.若论张家，如今也算是大户人家了，却只肯从乡下挑女婿，那是有思量的。女子学校突然宣布要改成普通的高中，于是为了让在校的女生有所适应，特别先派来了一群性格各异的男生，他们或者自恋、或者暴力、或者冷漠，和女生们的预期大大不同。 于是为了创造自己心目中的完美男生，女生们展开了“王子大改造”的计划，这是一部比较温馨的校园喜剧。《天桥十三郎》是一部清装武侠搞闹剧，其实就是《老鼠爱上猫》的电视版。讲得是老北京天桥上的说书人所说的一段包公故事里的“猫和老鼠的故事”。、牙尖嘴利满肚子鬼点子的白玉堂、秀美灵巧的丁氏姐妹、口技了得的小艾虎还有身怀绝技的五鼠。每一个人的出场都有自己的故事，有的有不凡的背景、有的有冤情在身。石玉昆热心机敏，他机巧的帮助大家伸张正义，并与大家结成了生死兄弟。从此各怀绝技的“十三郎”屡破奇案：设计盗取皇冠、计除奸淫狡诈的庞太监……1. Decoupling the complex relationship between the request sender and N receivers, you don't need to know which node in the chain can process your request, so you2. The additional natural number damage in unlicensed stunts is invalid.这部悲喜剧讲述在长岛的一个中产阶级小镇上,三位女主角在共同好友过世后,开始面对人生苦短的事实。为了找寻幸福,她们做出一连串冲动,不理智,自我放纵的决定,不过这些经历令她们团结起来。