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Among them, one of the more common attacks is CC attack. It simply and roughly sends a large number of normal requests, exceeding the maximum capacity of the server and causing downtime. What I encountered was a CC attack. At most, about 20 IP addresses around the world sent requests in turn, with the number of requests per address ranging from 200 to 300 times per second. When I read the log, I felt that those requests poured in like a flood. In the blink of an eye, there were a lot of requests. In a few minutes, the volume of the log file increased by 100MB. To tell the truth, this is only a small attack, but my personal website has no protection, and the server is still shared with others. This kind of traffic immediately goes offline.屎尿少，吃饭多……棚子外面，淅淅沥沥的雨水不断地落，顺着头顶上的枝叶缝隙渗入棚子里面，再滴落到板栗身上。However, in the actual use process, Rules are often defined through "tables" as operators. The reason why iptables are introduced according to the above process is that it is easier to understand them from the perspective of "checkpoints" and from the perspective of entry. However, in order to understand them more smoothly in actual use, we also list the relationship between each "table" and "chain" here.　　雷儿，一个被雷劈中却幸存的女孩，有着雷死人不偿命的言语举止。因祸得福她天赐神力，但也带来了种种意想不到的麻烦……然而好运总是能在最后挽救她于水火之中。也许雷儿的人生正是“傻女”行大运的最好诠释吧。与此同时，来寿又一次落榜，更有许多才名显著的儒生也都落榜，向人们证实了：科举依旧是那么的难，并没有变得简单。　　昆丁（德文·古梅尔萨尔 Devon Gummersall 饰）是一个非常平凡的年轻人，同时亦是一个漫画迷。平日里，他在生化科技实验室上班，是那里警卫。每一天，昆丁都会沉浸在自己的想象之中，幻想某一日他将获得一些超能力，化身成为拯救世界的超级英雄。When parents are unable to solve their learning needs through in-school and out-of-school subject cram schools, and are limited by personal ability, time and other factors, and cannot provide their children with adequate family education, they are bound to turn their eyes to thinking ability training institutions in the market. Therefore, thinking ability training can be said to be the "rigid" demand of the market, not just the one-way result of institutions catering to the market.