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ALTER DATABASE SSDB SET MULTI_USERRecently, the number of reflective DDoS attacks using memcached servers has increased significantly. CNCERT has carried out centralized monitoring and analysis on three types of key reflective attacks. This report is a special analysis report on reflective attack resources in February 2018. Focusing on the problem of Internet environment threat management, this paper focuses on the analysis of "what are the important network resources used to launch DDoS reflection attacks". Network resources for reflection attacks include:Showtime正式宣布续订《国土安全》第7季。(3) the maneuverability of the ship, especially the stroke and rotation performance under the current situation;As the name implies, the decoration mode is to add some new functions to an object, and it is dynamic. It requires the decoration object and the decorated object to realize the same interface. The decoration object holds an instance of the decorated object. The diagram is as follows:让我来。可是，她从不说自己是从哪来的，惠灵也不知道她叫秋霜，她说她叫秋儿。