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The main reason why DDOS attacks are difficult to defend is that there are too many vulnerabilities and attack methods that can be exploited. In the OSI seven-layer network model used in the network data transmission process, basically each layer has protocols that can be exploited by DDOS attacks. According to the different network levels of the protocols used for DDOS attacks, this paper summarizes the currently known DDOS attack types and their defense measures as shown in Table 1-3. For more detailed information on current DDOS attack and defense, please refer to Huawei DDOS attack and defense summary post.3. Check the docker_demo directory:杨长帆不想结束，想要开始。为争夺悬骨星的主宰权，龙、灵两族争战不休。龙族首领千浔为保族人签下《悬骨册》与灵族结束千年厮杀。然而两族相安不过数百年最近却又战火再起。在宁静的小村庄里，一种怪病正在慢慢吞噬着村民们的生命。作为全村唯一能够拔出勇者之剑的青年义彦（山田孝之 饰），去往未知的远方寻找灵药成为了他义不容辞的责任。灵药很快就被义彦找到了，可是故事并没有结束。佛祖（佐藤二朗 饰）显灵赋予了义彦十分艰巨的任务——前往魔王的根据地，打败魔王。该剧讲述班主任老莫、姚静和高三“特长班”学生的毕业班故事，旨在全面贯彻党的教育方针，弘扬新时代教师立德树人的良好风貌 。When switching the background, make some changes to the color of the characters. In this program, we used the building blocks of most event modules. Of course, you can also add some background music according to your own needs.