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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.由乡村爱情保安队长宋晓峰领衔主演，程野、霍云龙、唐娜、燕飞主演的网络爆笑喜剧；《槑头槑脑》讲述了两个“呆头呆脑”的农村青年，为梦想来到城里，用自己的执着和善良，影响并帮助三个有着性格缺陷的年轻人成功转变的故事。故事中让你捧腹大笑的同时，最后能让你有着一丝感动。忙于事业的王家欣（梁咏琪 饰）与未婚夫（谭耀文 饰）在婚前争执不休，她突然迷茫了自己对爱情的定义，重回到自己少女时期生活过的坪洲，回想起了当年与一名陌生男生（黄又南 饰）发生的美丽邂逅……2. The three bars are Senior First Officer;戚继光同样茫然。中情局特工阿什顿·艾维（Ashton Ivy）于11月返回美国，带走了他对玛丽娜的爱，同时帮助俄罗斯保护其自然财富。