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Intrusion detection and prevention processing within network interface circuitry

  • US 8,621,627 B1
  • Filed: 02/12/2010
  • Issued: 12/31/2013
  • Est. Priority Date: 02/12/2010
  • Status: Active Grant
First Claim
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1. A network interface controller (NIC) configured to couple a host to a network, the NIC coupled to the host via a host bus, and the host configured to operate a plurality of virtual machines, the NIC configured to:

  • receive at least one data frame, the at least one data frame including at least a source network address and indication of at least one destination network address,determine if the received data frame is a frame on which additional processing should occur;

    based on a result of the determining step, cause the frame to be provided to the host, via the host bus, for the host to perform the additional processing; and

    receive, via the host bus, the frame on which additional processing has been performed and steer the frame to a destination based on the at least one destination address.

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