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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.反正不管如何，这次有大热闹看了。《Chimera》是一部讲述重案组刑警在焕、犯罪心理分析师有真、外科医生钟烨以各自不同的目的追查时隔35年再次发生的连环爆炸杀人事件，又名“Chimera”的事件。是一部追查真相的追踪惊悚剧。很想知道吗？陈启问道。We began to test the effect of blending leaf juice with blue dye.你们要找的人在中部偏西的位置，有重兵看守，无论成功与否可以从正西一处突围。Netflix的电视剧版《雷蒙·斯尼奇的不幸历险》追加续订第三季。