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If an attacker sends SYN packets quickly with their own undisguised IP address, this is a so-called direct attack. This attack is very easy to implement because it does not involve spoofing or modifying packets below the user layer of the attacker's operating system. For example, he can simply send many TCP connection requests to implement this attack. However, for this attack to work, the attacker must also prevent his system from responding to SYN-ACK packets because of any ACK, RST, or ICMP (Internet? Control? Message? Protocol) will cause the server to skip the SYN-RECEIVED state (go to the next state) and remove the TCB (because the connection has been successfully established or recycled). Attackers can do this by setting firewall rules, causing the firewall to block all packets (except SYN) to reach the server, or causing the firewall to block all incoming packets so that SYN-ACK packets are discarded before reaching the local TCP handler.沛公刘邦现在魏地一带，刚刚攻陷陈留，项羽则亲率大军赶回，如今还未到砀邑，怕是来不及啊。天启住在哪里？我保证不去砸他家玻璃。Article 26 Fishing VesselsAnyone who attends the MDT meeting must be introduced to the MDT participants and sign in.该剧改编自韩国作家金伊朗的同名小说。讲述朝鲜的君王李秀[徐志焄饰]为了守护他的初恋 “狗屎”[孔升妍饰]，找到了朝鲜最厉害的花样男子媒人团“花党”三人帮：【“老大”马勋[金旻载饰]和成员高英洙[朴志训饰]及道俊[卞宇锡饰]】，让他们把朝鲜最低劣的女子打造成最高贵的女子， 花党'冒死进行了朝鲜媒妁诈欺。