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In order to prevent SYN attacks, SynAttackProtect mechanism is embedded in TCP/IP protocol stack of Win2000 system, and Win2003 system also adopts this mechanism. SynAttackProtect mechanism enables the system to handle more SYN connections by turning off some socket options, adding additional connection indications and reducing timeout time, so as to achieve the purpose of preventing SYN attacks. By default, the SynAttackProtect protection mechanism is not supported on the Win2000 operating system, and the SynAttackProtect key value needs to be increased at the following location in the registry:Of the above three stages, the attack is undoubtedly the most important one. For DDOS attacks, when the attack occurs, the best defense measure is to quickly filter the attack packets on the premise of early detection of the attack to ensure the access of legitimate users. At present, for DDOS attacks, security companies mainly adopt traffic cleaning methods. A common flow cleaning architecture is shown in Figure 1.Fan Shengmei: She has no habit of reading and studying, which is one of the root causes of the greatest tragedy in her life.王平家庭贫寒，在她5岁时，母亲因为弄丢了20块钱受到父亲严厉责骂，跳楼自杀。小小年纪的她对父亲重组的家庭毫无安全感，继母也没能给她家的温暖感觉。王平发奋读书，却没有机会考大学，不能早一天离开那个寒冷的家。于是草草找了位憨厚老实的货车司机结婚，但几年后，货车司机也因为钱背叛了她。从此后，王平对家对感情完全失望，把所有精力都放在了工作学习上。高镇长跟王平的开始，缘于镇政府要开设对外招待所，而副所长的职位一直没有定下合适人选。王平主动示好高镇长，做起了高镇长情人，同时也用身体换来了招待所副所长的职务。本剧讲述了以牛老幺为代表的一群40岁上下的中生代棒棒在遭遇生存空间急剧萎缩的职业危机中所演绎的喜怒哀乐。并着力展现了棒棒牛老幺在人生转型，重塑自我的过程中，所凸显的乐观坚韧，敢想敢干的“棒棒精神”，而这种精神也正是当下社会转型，改革深化，实现中国梦的进程中每个人都应当具备的“精气神”。作品期望以一个“小人物”的摸爬滚打和一群“小人物”的喜怒哀乐，激励更多人在实现梦想的征途中积极拼搏，大胆创新。