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A? Delete old version of docker? (if any)In this blog, from theory to practice, the system introduces iptables. If you want to know iptables from scratch, you can check the list of iptables articles, and the direct link is as follows.该剧以生活在纽约一所公寓里的韩国留学生为主角，讲述他们追求自由、个性解放以及爱情与友情的变迁。　　——两人的距离，还没有名字。　　因工作关系，编辑部的同仁经常接触社会各阶层的人物，光怪陆离，三教九流，改革开放大潮下的人生百态在小小的编辑部内一一呈现……外卖员男主（小偷）进入到一个半开着门的公寓偷钱，公寓的年轻女主人从外面回到家，紧张的外卖员到处乱躲。外卖员发现包内的钱不见了，他为了找回自己丢的钱绑架了女主人。外卖员无意中道出了内心隐藏的秘密， 同时发现了女主人奇怪的身世，此时屋内突然又出....In the case of a reflection attack, An attacker uses a controlled host to send a large number of packets, The special feature of these packets is that the destination IP address points to the server, router and other devices as the reflector, while the source IP address is forged as the IP address of the target. When the reflector receives the packet, it will think that the packet is a request sent by the attacked bird, so it will send the corresponding data to the target.