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可是没想到时间不长，问题偏偏就出来了，田荣兵败被杀之后，他的族弟田横却并没有死，而是带上了田荣的儿子逃到了胶东滨海一带。********田遥尤其不好意思，把全身都埋在水里，只露出一个头。什么？刘邦蓦然大惊，到了现在，他发现骨子里还是惧怕项羽的，急忙呼喊道：快些带人拦住他们……不过一小会，刘邦的心情发生了巨大的变化，从云端陡然间跌入低谷……周勃摇摇头：已经来不及了，我们的兵力过于分散，楚国骑兵冲的委实太快，根本无力阻拦。来人见此情景，似乎是知道樊哙二人犹豫什么，立即递上一锦盒，内中所盛正是武关守将的印信，兵符。蒯彻打开了刘邦的册封诏书。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.