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一次同学聚会引起的关于学生时代的回忆..性格强势的“工作狂”二美子，在真爱和现实之间犹豫不决；3, Contact the context, understand the meaning of words.魏铁急忙拦住，命他们快走。How should we defend against this attack? First of all, as users, we try our best to download APP from regular channels and surf the Internet in a civilized manner, and try our best not to make broilers. Secondly, as a service manufacturer, when the server is attacked by DDoS, we try our best to improve the processing capacity of the server. When the processing capacity of our server is greater than that of the attacker, these attacks are nothing to the server. Finally, under normal circumstances, the processing capacity of our server is generally lower than that of the attacker. In view of this situation, there are currently the following methods: 1. Violent methods, such as setting an access frequency threshold, and rejecting when the number of accesses per IP unit time exceeds this threshold; For a certain service, if the instantaneous request is too large, choose to directly refuse to ensure the normal operation of other services; This method may result in normal users not being able to use it. 2. Verification code. In order to prevent normal users from being injured by exposure methods, at present, service providers will send verification codes to "users" when receiving a large number of requests. If it is a real user, it will input verification codes, but if it is a broiler, it will not. Through this method, the real user and the broiler will be distinguished.故事开始于第二年的“ Inspector Asagao”之后的春天，而当Asagao独自访问东北以寻找母亲的尸体时，一个新的故事就被传开了。 据悉，她面对东日本大地震和母亲的死亡深深，并且面临着东日本大地震以外的大规模灾难，而这是以前工作中无法避免的。