| 摘要 |
The invention relates to a method of protecting a server ( 10, 18 ) against denial of DNS service attacks wherein denial of DNS service attacks targeting the server are detected ( 100, 102, 104 ) and data packets addressed to the server are intercepted ( 110 ). The transmission of an intercepted data packet to the server is interrupted ( 116 ) if the intercepted packet has a transaction number that is not in a list of transaction numbers of requests sent by the server.
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