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年轻的白领小艾业绩持续垫底，生活一团乱麻。网络上的一个“穿越贴”，勾起了她回到五年前的强烈愿望，QQ里一位有着机器猫头像的好友阿蒙答应了她重回五年前的要求。通过阿蒙工作室里一件神迷的仪器和软件，阿蒙帮小艾制订出了重回从前的方案。果然，小艾后来一天天接近着自己的愿望。就在她将要回到二十岁的前一天，阿蒙告诉她，神迷仪器和软件根本不存在，随后不辞而别。半年后，阿蒙现身，揭开了这背后的一切。如今到了决一死战的时候，山那边怕也分出胜负来了，自然该‘狭路相逢勇者胜了。The SYN-Flood attack is currently the most common DDoS attack on the network, It is also the most classic denial of service attack. It takes advantage of a defect in the implementation of TCP protocol. By sending a large number of attack messages with forged source addresses to the ports where the network service is located, it may cause the half-open connection queue in the target server to be full, thus preventing other legitimate users from accessing. This kind of attack was discovered as early as 1996, but it still shows great vitality. Many operating systems, even firewalls and routers, cannot effectively defend against this kind of attack, and it is very difficult to trace it because it can easily forge the source address. Its packet characteristics are usually that the source sends a large number of SYN packets and lacks the last handshake ACK reply of the three handshakes.Tip: There are very few M codes for channel goods. L medium tube is suitable for 42 ~ 46, long tube is not suitable for friends below 180, unless you want to become Uncle Drew.他面色古怪地瞪着小孙女：你……你这是挖了个坑让爷爷跳哩。For backbone networks, the data sent and received by these zombie hosts are real data, which is difficult to distinguish from normal traffic data.Windows/Linux