| 摘要 |
<p>A method, system and gateway for preventing the network attack are provided, wherein the method includes that: receiving the source request information and the destination request information sent from the client terminal, the destination request information is informed by the domain name system DNS to the client terminal sending out the source request information; verifying the source request information and the destination request information; discarding the source request information and the destination request information when the verifying result does not meet the requirement. The technique scheme of the present invention embodiment chooses the destination request information on the DNS according to the source request information sent from the client terminal, and establishes the corresponding relation between the client terminal and the server according to the match relation between the source request information and the destination request information so as to prevent the DDOS attack.</p> |
