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For spoofing attacks, the first thing to consider is to choose the address. For the attack to succeed, the host on the spoofed IP address must not respond to any SYN-ACK packets sent to them. A very simple method that an attacker can use is to disguise only one source IP address, and this IP address will not respond to SYN-ACK packets, perhaps because there is no host on this IP address at all, or because some configuration has been made to the address or network properties of the host. Another option is to disguise many source addresses, and attackers will assume that hosts on some of these disguised addresses will not respond to SYN-ACK packets. To implement this method, you need to recycle the addresses on the list of source IP addresses that the server wants to connect to, or make the same modifications to hosts in a subnet.小葱虽然长于应对，稍显强势了些。板栗郑重道：娘放心，儿子记下了。一家跨国制药公司“葛安公司”，与国内某沿海城市合作兴建了一座大型生物工程基地。西海医院院长徐谦，感觉到葛安在医院下属的肝病医疗中心干着某种非法药物实验的勾当，但对方组织极其严密，违法活动不着痕迹。徐谦又发现葛安的人还意图窃取自己的导师、在世界流行病领域享有盛誉的肝病中心主任凌知渊正在秘密研究的某项重大科研成果(“黑郁金香”病毒研究)。一次偶然的机会性感女神关小迪接触到保镖行业，并在机缘巧合下进入保镖培训中心，进而结识了其余四位各怀绝技的美少女。异乎寻常的魔鬼训练中，关小迪和她的小伙伴们身体被击垮、自尊被打碎、人格被重塑，从不谙世事的叛逆少女逐渐成长为合格的女保镖。历经磨难、浴火重生的五朵姐妹花在终极考核中遇到了突发事件，必须有一个人牺牲掉自己的考试，才可能完成任务。关键时刻，关小迪牺牲了自己，帮助队友们完成了任务。考核结束，面对四个成功毕业的战友，坚强的关小迪哭了，严厉的魔鬼教官却笑了。原来自我牺牲才是最重要的考核。关小迪以第一名的成绩和小伙伴一起通过了最后的考核，成了一名真正的保镖。由此五朵金花将开启一段关于麻辣女保镖的传奇。