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Reset authentication takes advantage of the reliability of TCP protocol, and DDOS protection system responds to syn first. When the protective device receives syn, it responds to syn_ack and sets the Acknowledge number to a specific value (recorded as a cookie). When the real client receives this message and finds that the acknowledgement number is incorrect, it will send a reset message with a sequence number of cookie + 1. The source of the forgery will not have any response. In this way, we can add the real client IP to the white list. ?平凡的世界中，两人的相遇是缘，但爱并不是一帆风顺的，爱也不只是两个人独自拥有的。夏一平为他的初恋情人钟千惠即将成为他哥哥夏一哲的妻子而烦恼的时候，一个活泼可爱的女孩司马凝露出现在他面前，司马凝露与夏一平的相处中，两人成为一对欢喜冤家。而钟千惠因为夏一哲的冷落，准备再次回到夏一平的身边，两对两个女孩的感情，夏一平会做出怎样的先择呢……游人身处其上，凉风习习、暗香盈盈，是个消暑的好去处。For example, first define a function, which has three methods, namely win, lose and die. As long as a player dies, the game is over and its opponent needs to be informed of victory. The code needs to be written as follows:范依兰来到父亲的居所时，迎面正好遇到父亲的姬妾如雪。Representative Monsters: Low, Medium and Advanced Light Elves, Sniper Trick, Mognes, etc.An electronic database can be used in MDT meetings to record meeting opinions (including: diagnosis and treatment decision-making process and unclear or divergent issues); If there is no electronic database, standardized backing-up text can be used instead.