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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.Metallized holeBut we didn't realize it until the first big mouse emerged from the trench of the position. The big rats under the "earth beam" are only a few that dig shallow holes. Most of the deep digging is simply not visible from the surface, This is what I said just now. If you dig shallow, you can barely hit it. You can't see it deep, There is no way out, At last this thing was dug up and emerged directly from the trench wall. Then don't even shake the soil on your body, Bite at the sight of men, As the number of drillings grows, In the end, there were several times more rats than people in the position. Forming a situation of several besieging a soldier, Seeing the urgency of the situation, But 'the lame man caught up with the uneven road' (this is a folk proverb, meaning to make things worse, the house leaks when it rains at night), The big wasps that were repelled for the first time launched another attack, or from the left and right wings, in your words, this also formed the "open space" to cooperate in the battle. It is very strange that the big wasps did not attack the big rats on the ground at one time, but only stung people. They are obviously "a group" of dogs. Alas, then we will fight too badly. " Zhang Xiaobo said with a long sigh here, and I couldn't help but be surprised. This big mouse can dig out more than 100 meters of passages underground in more than half an hour. How fast is this? That's a speed of more than 30 centimeters per minute. Although it is said that the soil on the southern border is softer and no harder than that in the north, it can dig more than 30 centimeters per minute. This speed is really staggering.II. Advantages and Disadvantages of Party Committee Members of Group Companies in Thoughts and Actions:13、葵花宝典 6集 东方不败,方琳－杨丽菁 柳霜红－徐华凤 向啸天－林炜《归途》是一部异域追踪、喋血反击、归途惊魂的现代题材的网络大电影，讲述一名中国广东某地级市侦探社和东南亚某国侦探社联合调查一宗跨境走私犯罪案件的故事。幕后大老板通过走私企图洗黑钱，被侦探发现后试图毁灭证据而布局杀人案件。在越南实地拍摄，故事扣人心弦，剧情紧张。5. (1) In narrow waterways or navigation channels, if the overtaking ship can only overtake if it must take actions to allow safe passage, the ship attempting to overtake shall sound the corresponding sound signal specified in Article 34, paragraph 3 (1), to indicate the ship's intention. If forced to cross the ship, if agreed, the corresponding sound signal stipulated in Article 34, paragraph 3 (2), shall be sounded and measures shall be taken to enable it to pass safely. In case of doubt, the sound signal stipulated in Article 34, paragraph 4, may be sounded.