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宝石国的国王也不会放过他，暗地里派人威逼利诱。"Genius" is the product of training//007The observer mode defines a one-to-many dependency relationship, allowing multiple observer objects to monitor a certain topic object at the same time. When the state of this topic object changes, all observer objects will be notified so that they can automatically update their behaviors. The specific structure diagram is as follows:偶像们心跳的歌声和有跃动感的舞蹈。站在舞台上的骄傲与喜悦洋溢着耀眼的笑容。Independent Attack +401971年的香港——那是英国人殖民的时代，他们压榨老百姓，驱使华人警员为他们集体贪污，百姓过着苦难的日子。机场附近有一个区域——九龙寨，成为不平等条约中的灰色地带，此处藏污纳垢，故事就发生在这样一个罪恶之城。The SYN-Flood attack is currently the most common DDoS attack on the network, It is also the most classic denial of service attack. It takes advantage of a defect in the implementation of TCP protocol. By sending a large number of attack messages with forged source addresses to the ports where the network service is located, it may cause the half-open connection queue in the target server to be full, thus preventing other legitimate users from accessing. This kind of attack was discovered as early as 1996, but it still shows great vitality. Many operating systems, even firewalls and routers, cannot effectively defend against this kind of attack, and it is very difficult to trace it because it can easily forge the source address. Its packet characteristics are usually that the source sends a large number of SYN packets and lacks the last handshake ACK reply of the three handshakes.