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多年前一段纯真的友谊，多年来尘封已久的恩怨，铺展开全新的生命版图。李心兰和李柏杉姐弟一夜之间成为孤儿，被父亲的好友——商人刘力伟收养。而刘的妻子碧芬却因为早年的纠葛，处心积虑地拆磨这两个孩子，柏杉也被迫送往国外。刘力伟的儿子刘克谦与心兰渐渐萌发了爱意，愤怒的碧芬全力拆散，二人离家出走，不料发生了意外。离开刘家的日子里，心兰咬紧牙关，自食其力。其间，遇到了青年才俊张君华，君华开朗、善良，但……副总统第六　　一名离异女子计划报复前夫腹黑的情人，她的复仇大计正式开展。　　国共一场大战，国民党军全面溃败。众人都想登上太平轮，离开上海去台湾。这艘船成了最后的希望。没想到，意外的沉船改变了所有人的命运，船上近千人绝大多数都在海难中遇难，几位主角能逃过劫难吗？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.Continue printing the public properties and methods as follows: