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At present, many large financial institutions have begun to strengthen the DDoS defense system, but observers worry that attackers will shift their targets to smaller banks, credit cooperatives and even other industries.剿匪？番邑县衙，吴芮以为自己听错了。　　灭门惨剧时，杨月产下一男婴，郑武要斩草除根，杨月恳求乔征将婴孩带出帅府，交给他人抚养。郑武为此使出毒计，如果没人交出郑家遗孤，就将所有的婴孩全部杀掉。一个是遇人不淑的富家女，宋窕仪；一个是命运多杰的花车女郎，瘳秋桐；十年前，因缘际会，两人结为好友；十年后，还是因缘际会，两人重逢，可是身份，地位的悬殊没有阻止她们同时爱上了收破烂的王一帆……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.本片演绎了一个才子和两个佳人的浪漫爱情故事。元朝，繁华的都市扬州，才气过人又淳朴善良的书生张天生怀抱年轻人的凌云壮志来到扬州，遇到了西厢剧社的当家花旦曹燕燕并一见倾心。张天生此番投奔的东湖剧社资金雄厚，又有一个神秘的编剧不倒翁王钟支持，称霸扬州，是西厢剧社的死对头。王钟赏识张天生的才干，二人意气相投，却不料王钟是个男扮女妆的美娇娘，更不料张生对她也心生情愫。她二人谁是真命情人？张天生该为谁舍命，为谁偷生？一场传奇浪漫的情仇故事由此展开……