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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.ResultsThey did see the "second boss", but without saying a word, the second boss was brought in by the police for questioning. Koharu and his colleagues stood at the door, waiting for an explanation. But by 12 o'clock, I didn't see the figure of the second boss. Someone went in and looked around and found the second boss sleeping on the stool in the conference room.杨蓉的这一段话，一发布出来，顿时惊呆了无数网友。　　8年后，两人故地重游，景物各异，人事皆非。而阿秀的身世揭密，更是石破天惊，不由人万千感慨。刺绣事业又将两人命运相连。面对小吏、豪强、地痞、奸商对缂针绣的争夺，他们又开始了一段不平常的人生……本剧以日本侵华战争为大背景，着重展现日寇惨绝人寰的，五一大扫荡对我冀中军民进行肆无忌惮的烧、杀、抢、掠、奸……兽兵铁蹄所至，尸骨遍野，血流成河！我八路军某部领导，决定针锋相对，以血还血，选派魏强、贾正、汪霞等抗日勇士组成抗日武工队，杀入鬼子的心脏，与日寇松田、坂本、汉奸刘魁胜、哈巴狗儿、侯扒皮等日伪进行了一场场惊心动魄的生死搏杀!本剧还穿插展现了友情、母子情、夫妻情以及情与情之间的关系和纠葛，人性味极浓的揭示出战争的残酷和人类对和平的向往。Magic Attack +16 (Online +17)