METHOD, SYSTEM AND GATEWAY FOR PROTECTION AGAINST NETWORK ATTACKS
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United States of America Patent
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app pub date -
Apr 28, 2011
filing date -
Oct 28, 2008
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Abandoned
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Abstract
A method, a system and a gateway for protection against network attacks are provided. The method includes: receiving source request information and destination request information that are sent by a client, where the destination request information is notified by a Domain Name System (DNS) to the client sending the source request information; checking the source request information and the destination request information; and discarding the source request information and the destination request information when the checking result is undesirable. Through the technical solution, the DNS selects the destination request information according to the source request information sent by the client, and establishes a corresponding relation between the client and a server according to a matching relation between the source request information and the destination request information, so as to prevent DDOS attacks.
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