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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. ?浩真（李臬 饰）和恩淑（李美妍 饰）两夫妻过着幸福的日子。浩真有个弟弟大真（李秉宪 饰），热爱赛车。一天大真正在赛车，浩真赶往赛场观看，二人同时在不同的地方出了车祸。Contents of the Collection: Including: the fifth set of RMB 100 yuan, 50 yuan, 20 yuan, 10 yuan, 5 yuan and 1 yuan birthday banknotes each, equipped with exquisite birthday banknotes collection books.范文轩挤出一丝笑容。她呆呆地望向山崖下面，忽然一言不发地往前冲去。之前他们想的比较单纯，以为只是一个贪功冒进的错误。