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由于订婚突然被取消,Joshy和他几个朋友决定利用本该是他的单身派对狂欢一把，帮助Joshy度过悲伤,于是他们将度假变成一个充满毒品、酗酒、放荡、热水浴缸的喧闹周末。If an attacker sends SYN packets quickly with their own undisguised IP address, this is a so-called direct attack. This attack is very easy to implement because it does not involve spoofing or modifying packets below the user layer of the attacker's operating system. For example, he can simply send many TCP connection requests to implement this attack. However, for this attack to work, the attacker must also prevent his system from responding to SYN-ACK packets because of any ACK, RST, or ICMP (Internet? Control? Message? Protocol) will cause the server to skip the SYN-RECEIVED state (go to the next state) and remove the TCB (because the connection has been successfully established or recycled). Attackers can do this by setting firewall rules, causing the firewall to block all packets (except SYN) to reach the server, or causing the firewall to block all incoming packets so that SYN-ACK packets are discarded before reaching the local TCP handler.年过半百的管区民警李久平（李保田 饰）不想刑警同行那样干些追拿要犯的惊天事迹，相反他常年游走在街头巷尾，协调管区百姓处理鸡毛蒜皮的琐事，小偷小摸都可以算作大案了。平常人一个的李久平日常里也有许多要操心的事，在理发店混日子的儿子李小山和同院儿当模特的齐艳艳相恋，当爹的自然极力反对。引以为傲的女儿李小文在小提琴演奏时，邂逅了多年前的老街坊马志高。做股票生意的马对小文大献殷勤，而他糟糕的经济状况也不可避免对小文产生影响。患脑血管梗塞的父亲李大山去世，孝子李久平哀伤不已，孩子们的爱情婚事更令他牵肠挂肚。邹辉是闻名世界的“神枪手”，因痴迷于射击事业，对家人照顾甚少，导致爱妻红杏出墙，因此悔恨不已，并发誓自己和后代不再涉足射击事业。其子邹志军(洪天明饰)，具有射击天赋。在一次“神枪手”射击游戏比赛中，小试枪技，没想到得分成绩远超最好记录，赢得一片喝彩，其父的态度也开始转变。一日，邹志军偶遇绑劫案，劫匪持枪劫持重要人质与警察对持,邹志军在混乱中拾得一把枪，毫不犹豫抬手一枪击毙劫匪，令在场所有人为之惊叹不已，邹志军因此英名远扬，但此时一个阴谋也因他而产生，突如其来的事件令这位天生“神枪手”陷入了一个个危险的境地……⑥ SENTINEL failover