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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. ?After breaking the finish line, the referee will finally decide the ranking of the match.Definition:《一生为奴》讲述了恭亲王奕欣的传奇一生。造化弄人，极具才干的他身为皇家一员，却在争夺帝位的过程中，不幸落选，居位“亲王”，自此在他的从政生涯之中，经历起伏，每每临危受命，化解朝廷灾难。Once the reason is found, it is easier to solve it. There are two ways to realize it:一切准备停当，几人又仔细清理了房间，确定没有遗漏之处，才准备上路。