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In the defense measures against DDOS attacks, deployment strategy is also a part that needs to be seriously considered. At present, the more reasonable deployment strategy is: the detection equipment is deployed close to the business host, the source is cleaned, and the bypass deployment is carried out. Attacks are distributed, and defense also needs to consider distributed deployment strategies.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.在杨光的快乐生活第三部中，杨光为了生计去学手艺，不想给邻居们帮了倒忙。好不容易找到个当保安的工作，因为工作太认真，把顶头上司得罪。热心为邻里之间抓贼，却误会了曾经犯过错误的好人。The code initialization method is as follows:曾昭伟为了自证清白，深入虎穴，却再次掉入圈套，在诱惑面前，曾昭伟被某副局长夫人看似拉拢腐化，但当稀土行将运出境时，曾昭伟亮出了自己检察官的身份，将这起盗取国有资产背后的职务犯罪大案的阴谋大白于天下。飞杨的裙裾，动感的节奏，歌舞升平的背后正酝酿着一场血腥的风暴：一公司的老总突然被杀……Updated November 25