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EVALUATING A QUESTIONABLE NETWORK COMMUNICATION

  • US 20150229609A1
  • Filed: 04/20/2015
  • Published: 08/13/2015
  • Est. Priority Date: 09/06/2005
  • Status: Active Grant
First Claim
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1. A method in a computing system for controlling communication, comprising:

  • in a computing system, evaluating a network communication that is transported at least in part by network packets each having a header section and a payload section, by;

    receiving a predefined white list of trusted network addresses that includes, for each of the trusted network addresses, one or more indications of allowable communication properties;

    determining a first internet protocol (IP) address corresponding to the network communication, wherein the first IP address is based on contents of the payload section of the first network packet;

    determining a first communication property that is associated with the network communication;

    determining a second communication property that is an allowable communication property specified by an entry in the white list that corresponds to the first IP address;

    evaluating the network communication with respect the white list, by determining whether or not the first communication property is encompassed by the second communication property;

    in response to determining that the first communication property is not encompassed by the second communication property, setting an indicator that the network communication is not allowed.

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