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Computer security system

  • US 9,781,114 B2
  • Filed: 12/08/2014
  • Issued: 10/03/2017
  • Est. Priority Date: 04/25/2002
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a device intermediary to a first network including a client device and a second protected network including a server, the device configured to restrict access to a resource of the server using packet management information included in packets associated with an authenticated user of the client device, the packet management information in each packet including at least an obfuscated client identifier (ID) and a predefined code used to generate the obfuscated client ID from a client ID of the authenticated user;

    a storage unit of the device configured to store one or more rules for determining access to the resource using the packet management information identified from a first packet associated with the authenticated user of the client device;

    a packet processor of the device configured to determine the client ID using the predefined code and the obfuscated client ID in the packet management information inserted by the client device in the first packet; and

    a packet manager of the device configured to control the packet processor to deny the first packet from reaching the server responsive to the one or more rules indicating that access to the resource is restricted based on at least the determined client ID.

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