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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. ?Grandma Lily took little Charlie's hand into the room and was ready to go to bed."In this way, given the situation at that time, it should be extremely unfavorable to the defense of position 149. So many giant" killer bees "besieged you. If not handled properly, it could even lead to complete annihilation. How did you tide over the difficulties at that time?"21点《黑色太阳》剧本改编于新堂冬树的同名小说，讲述从事“黑服”工作的立花被“风俗王”藤堂社长预见将成为人才，但在干部研修会上遇见了铁腕会长长濑，在此人的刺激下，立花受到了羞辱，但也被这个世界的魅力所吸引，从而上演了一场向风俗行业的黑暗挑战的惊险戏剧。