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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.蕾妮·齐薇格、伊莎贝拉·罗塞里尼加盟莎拉·杰茜卡·帕克新片[生命中最美好的一天](Best Day of My Life，暂译)。法比安·康斯坦特执导，劳拉·伊森编剧。讲述薇薇安(帕克饰)是一名爵士乐歌手，她的生活因一份病院诊断书改变。影片将聚焦她全球巡回表演的24小时。该片7月将在纽约开拍。#c show_style();。卖不完……卖不卖得完，不是你管的事，你只管加印就行了……先加印五成。燃烧的腐魂想求亲的人家过几年工夫再来。　　故事围绕着一对年轻的白领夫妇肖逸夫（佟悦饰）和白韵琴（黄芳羚饰）展开，同时穿插了发生在肖逸夫的好朋友张威廉（刘春风饰）、金彼得（程皓枫饰）以及他的妹妹肖莎莎（李姝饰）身上的诸多趣事，构成了一幅妙趣横生的生活喜乐图。