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Ultra-Low Power Single-Chip Firewall Security Device, System and Method

  • US 20130061283A1
  • Filed: 12/21/2011
  • Published: 03/07/2013
  • Est. Priority Date: 11/02/2010
  • Status: Active Grant
First Claim
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1. A firewall security device, comprising:

  • a processor; and

    an operating system (OS) embedded in the processor, the OS comprising an operating system kernel, the operating system kernel being a state machine and comprising a protocol stack for communicating with one or more devices via a network interface, wherein the OS is configured to receive and transmit data packets, and block unauthorized data packets within one or more layers of the protocol stack based on predetermined firewall policies.

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