Importance

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Abstract

A method and network traffic management device to protect a network from network based attacks is disclosed. The method comprises receiving, at a network traffic management device, a plurality of requests from a plurality of client devices for one or more resources from one or more servers. The method comprises monitoring a number of server responses including an invalid transaction message for a particular client device or a particular requested resource. The method comprises comparing a ratio of invalid transactions to valid transactions for the particular client device or requested resource to a preestablished ratio threshold value. The method comprises marking the particular client device or requested resource as suspicious when the ratio exceeds the ratio threshold value. The method comprises preventing the suspicious particular client device or requested resource from being transmitted to the one or more servers when the network traffic management device detects a network attack.

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First Claim