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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.28安欣和汪诚夫妻俩在深圳经营着一家礼品工厂，一家人原本其乐融融。突然有一天接到一笔大订单，却是汪诚前女友杨敏儿设下的圈套，汪诚随即欠下巨大债务，工厂面临破产。为解除危机，夫妻俩想尽办法，却因杨敏儿的步步紧逼，最终陷入绝境。为保护妻儿不受连累及伤害，汪诚无奈之下接受了杨敏儿的建议，办理了假离婚。夫妻俩约定，半年之后努力偿还完债务，一家人就重新团圆。但在杨敏儿的精心破坏下，夫妻俩的复婚之路困难重重。汪诚也在一系列圈套之下，与杨敏儿举行了婚礼。安欣没有被这一系列变故击倒，她努力开创自己的事业，联合了许多和她一样失去婚姻的女人共同创业，开立了美容连锁机构。最终用她的智慧和善良重新赢回了属于自己的爱情，一心想破坏别人家庭的杨敏儿也受到了应有的惩罚。Step 2: Install the attack program on the intruding host, some of which act as the master control end of the attack and some of which act as the proxy end of the attack.　　本片根据香港上世纪80年代“死亡车库”真实事件改编，一个被幽灵诅咒的离奇“尸家车位”吞噬了数十条人命后被政府下令水泥封堵，藏在其中的诡异故事也被永久封存。年轻女子在心脏病发作后活了下来，并一心想要了解这颗救命心脏背后的秘密。然而，随着她慢慢揭开捐赠者猝死的真相，她也越来越多地呈现出死者的特征，甚至包括一些难以理解的邪恶品性。网上恐怕也就一些天启的铁杆粉丝、启明的忠实读者还在愤愤不平。