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As mentioned above, SYN attacks can be prevented by increasing the backlog queue. In addition, reducing timeout time also enables the system to process more SYN requests. We know that the timeout timeout, that is, the half-connection lifetime, is the sum of the timeout times that the system waits for all retransmissions. The larger this value, the longer the half-connection takes up the backlog queue and the fewer SYN requests the system can handle. In order to shorten the timeout time, it can be realized by shortening the retransmission timeout time (usually the first retransmission timeout time) and reducing the number of retransmissions.目前，CSI.Las.Vegas共有十一季。此外，CSI.还有Miami（迈阿密）、NY（纽约）两种。悬而未破的刑案百合带领这团队解开这些尘封已久却令人悲伤的刑案背后故事，并将真凶捉出还受害者及家属正义的故事。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. ?住在糟屋郡粕屋町的高中3年级学生未来，从被恋人和朋友背叛的过去开始，就不能相信别人，也不能恋爱。唯一能满足孤独之心的，就是一个人用吉他唱自己最喜欢的歌。未来用SHINO这个账号名，将自己唱歌的样子发布到SNS上。同时，由于捡到李家父子随身带到地球的外星矿石而成为能源大鳄的野心家陈草莓，一直在寻找这对外星父子的下落以便将其解剖来开发生物能，同时对黄梓晨父亲掌握的量子分离技术觊觎已久。