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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.该节目比传统刑事案件报道更有情节性和悬念性。《CSI》的专职顾问伊丽莎白·德瓦恩是一位曾在洛杉矶安全部门供职长达15年的犯罪现场调查人。该节目收视率之所以居高不下，41岁的德瓦恩功不可没。另外，《CSI》已成为美国警方的必备学习教材，连英国苏格兰场、日本警卫厅以及法国警局都视之为反恐教材。By writing poems, he forced himself to come up with a large number of other different words, which he usually did not think of.The soldier who flushed him later blamed himself. I also advised the young man that there was no way out. No one wanted to do this, but there was really no way out. "解放军某部侦察参谋赵长林乔装智入李匪盘踞的华阴县城，通知起义部队提前举行起义，解放了华阴县城。敌旅长李继龙率残部逃往华山。途中李匪假冒“解放军首长”劫持华山镇美女杨玉环未果，用中正剑杀死杨玉环的义兄。杨玉环欲为父报仇。李匪逃上华山，封锁华山通道，以杀害数百人质和毁坏华山文物古迹要挟我军。为消灭李匪、解救人质、保护华山珍贵文物古迹，我军派遣信使携劝降信上山劝降。信使被李匪杀害，孟习圃逃回部队，加入赵长林的侦察班，寻找第二条登山路。在樵夫王拴娃的协助下，侦察班攀悬崖，越深渊，奇取了北峰。侦察班与李匪斗智斗勇，解救了被扣为人质的数百百姓，保全了华山文物古迹，配合大部队解放了整座华山。在英国大学做客座演讲后，布伦南博士和布斯被要求调查一名年轻女子的死亡。 她的父亲是一位在英国工作的富有的美国商人。他们的同伴协助他们进行调查。 同时，安吉拉（Angela）的丈夫到达杰斐逊（Jeffersonian），他对与她离婚不感兴趣。