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System, method, and computer program product for preventing communication of unwanted network traffic by holding only a last portion of the network traffic

  • US 8,024,462 B1
  • Filed: 10/05/2009
  • Issued: 09/20/2011
  • Est. Priority Date: 10/05/2009
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • receiving, through an input port, network traffic associated with a file being transferred from a source device to a destination device;

    determining, by a processor, identifying information regarding the file;

    employing the identifying information to consult a file reputation database over a network;

    receiving, through an input port, a message from the file reputation database over the network;

    holding in a memory only a last packet of the network traffic associated with the file being transferred to determine whether the file is unwanted; and

    conditionally forwarding, through an output port, the last packet of the network traffic associated with the file transfer to the destination device, based on the message received from the file reputation database.

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  • 8 Assignments
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