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The above example shows that the rule with sequence number 3 in the INPUT chain in the filter table is deleted.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.　　故事由此开始。。。。。。刚要出面谏言，就听后面念道此爵位三年一审查。View container running status:《我叫布萨芭》是由世纪优优出品，楠迪·宗拉维蒙、塔那帕特·卡维拉主演的浪漫爱情喜剧。尹旭知道马车之上是女儿，下车相见确实不便，微笑道：客气了。