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上课，做系活动在“那个房间”开放学后的茶会……"No, the whole waist is broken and people are divided into two parts from the middle." Wang Zeduan said.A fundamental and universal problem closely related to this aspect is related to the use of open DNS parser to launch DDoS attacks against Switzerland, an anti-spam organization. The open parser does not validate the IP address of the sender of the packet before sending back the DNS reply. Therefore, after the attacker deceives the victim's IP address, he can send a large amount of attack traffic to the victim, and the ratio of attack traffic to request traffic reaches 100: 1. DNS amplification attacks such as these have recently been used by hacker activists, blackmailers and blacklisted website hosts with great success.啪啪啪——王成立刻就在键盘上敲了起来。When I interviewed Zhao Mucheng, he urged him to leave at 5 o'clock every afternoon.The following are some small conjectures based on formulas:Maintainability. ? Because modules are independent, a well-designed module will make the outside code rely less on itself, so that it can update and improve independently.