粉色视频高清免费版观看免费完整版在线观看高清|粉色视频高清免费版观看完整版在线观看

2017-02-01 10:35:345. Code: no; Don't wait.苏岸则是有些担心，平武是背对着他的，因此并不知道身份。Structural correspondence:This.source = new Source ();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.In this way, attack traffic can be magnified 6, 700 times