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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.　　当他们进入后发现，这里竟住着一个凶残嗜血且变态失常的邪恶家族。他们的到来，无异于羊入虎口……那也少说打断你们狗腿。本剧以我军积极推进中国特色军事变革，做好军事斗争准备为主题，以华北某部队贴近实战，实行基地化训练改革为背景，以红蓝军对抗演习从有预案的摆练，到不设预案背靠背的对抗，再到远程立体跟踪打击等四次较大规模的演习为线索，深层次触及了部队抓训练与保安全、个人荣誉与国家利益、“练为看”还是“练为战”之间的矛盾和问题，多层次多视角地展示了我军各级将领紧迫的忧患意识和远大的强军之志，讴歌了一批肩负历史使命，勇于探索创新，敢于应对挑战的当代军人英雄群像。回答了中国军人是否有能力打赢未来高科技条件下的局部战争，这一当前广大人民群众共同关注的焦点问题。女演员#北川景子#（31）确定主演9月播出的朝日台SP「指定律师」，首次挑战律师一角的她将和饰演检察官的北村一辉（49）组成搭档，该作品是一部描绘了由市民组成的检查审查会连续两次判断检察官不起诉事件时出现的指定律师的法律电视剧。另外共演还包括江成和己、生濑胜久、松重丰、羽田美智子、中村梅雀等。下午的时候，你石头叔已经进宫求过皇上了，帮你告了半月假，成亲尽够用了。Collecting details of another country's economic insecurity, economic health problems and even media usage habits is a standard practice in intelligence games. If a country launches an attack and finds out which side "suffers the most", this may be a matter of effectiveness or efficiency.