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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. ?为了寻找绵绵的姐姐,农民出生的陈扬毅然辞去了优越的工作,接受一直暗恋绵绵的同学孙雷的建议,与绵绵一道踏上青岛之路。剧集讲述刘俊雄、宋以朗、郑振轩1992年攀登雪山时遇上意外，为求生存，只好把重伤的朋友许家明杀害充饥，三人事后带着自责，设法逃避这件事，而许家明女友叶梓恩则放纵自己掩饰伤痛，四人在18年后的2010年重遇，而许家明的死亡真相亦告曝光，众人关系与命运出现戏剧性变化。该剧是首部被封杀的华语电视，收视倒数第二却夺得万千星辉颁奖典礼最佳剧集，被称为“神剧”。　　影片根据历史上穆罕默德二世在1453年攻陷拜占庭首都君士坦丁堡的战役改编，制作开始于2009年，前后历时有3年之久。First of all, in Celia's room, click on the suspicious old man, and an admission button option will appear.80-300