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来自威星的四个外星人与地球人小迪相识，并在相处中互相帮助，共同努力成长，解救地球危机。以幽默风趣的形式，生动地诠释了地球人类谦逊礼让、团结友爱、互帮互助等优秀品质，塑造了地球青年正直、勇敢、善良、乐于助人的积极向上的形象。翻译过来就是事成之后必有重礼。From Table 1, we can see that NTP can achieve 556.9 times magnification, which comes from NTP's monlist command. The NTP monlist command is used to query all the records of recent communication with the Server. The server returns up to 600 communication records, which is a very large multiple. However, there are a large number of NTP servers on the Internet, which can be queried and enlarged distributed through botnets.何况三关守将认为自己背后是萧丞相的大军。That is to say, a total of false syn messages will occupy the TCP preparation queue for 63s, while the semi-connected queue defaults to 1024, which is different by system default and can be viewed by cat/proc/sys/net/ipv4/tcp_max_syn_backlog c. That is to say, sending 200 fake syn packets per second without any protection is enough to burst the semi-connection queue, thus preventing the real connection from being established and responding to normal requests. The end result is that the server has no time to ignore the normal connection request-denial of service.< button > Click me 葫芦点头道：可不是么，慢一步怕这东西就不归我了。