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便叫停车，放书儿下去。What I lack is this attack?/mad (crazy)The Magic of the Original SocketThe 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.巴虎脸上神情一变，起身将断剑往地上一扔，冷冷道：若非借宝剑锋利，岂是我的对手，这不算，有本事重新比过？切。Hold down the mouse wheel