Method And System For Protection From DDoS Attack For CDN Server Group
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United States of America Patent
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app pub date -
Aug 31, 2016
filing date -
Nov 25, 2015
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A method and system for protection from DDoS attack for a CDN server group. The CDN server group includes a plurality of CDN servers and a center server. The method includes: sending by each CDN server access source information of an access request to the center server; counting by the center server the number of access requests in each CDN server; determining by the center server access requests, of which the number is greater than a predetermined threshold, corresponding to the same access source information in each CDN server as DDoS attacks, and generating by the center server a blacklist; issuing by the center server the blacklist to the plurality of CDN servers; and making the CDN servers refuse to provide a service to an access source in the blacklist. Accordingly, the CDN server group is protected against DDoS attacks from the entire network.
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