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System and method for detection of aberrant network behavior by clients of a network access gateway

  • US 8,977,747 B2
  • Filed: 09/20/2013
  • Issued: 03/10/2015
  • Est. Priority Date: 03/10/2004
  • Status: Active Grant
First Claim
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1. A system for determining if aberrant network behavior is occurring with respect to a first client, comprising:

  • a first network interface coupled to one or more clients, wherein the first network interface includes a processor and at least one memory, the at least one memory including instructions to configure the processor to;

    analyze received network communications to determine if a first rule of any of one or more rules corresponds to the received network communications associated with the first client;

    updating a first set of statistical information associated with the first client responsive to a determination that the first rule corresponds to the network communications, wherein the first set of statistical information is accumulated over a time period; and

    analyzing the first set of statistical information to determine if aberrant network behavior is occurring with respect to the first client by applying a set of conditions to the first set of statistical information, each of the set of conditions corresponding to aberrant network behavior and comprising a threshold to be applied to at least a portion of the statistical information.

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