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System, method and computer program product for improved efficiency in network assessment utilizing a port status pre-qualification procedure

  • US 7,003,561 B1
  • Filed: 06/29/2001
  • Issued: 02/21/2006
  • Est. Priority Date: 06/29/2001
  • Status: Expired due to Term
First Claim
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1. A method of minimizing the duration of a risk-assessment scan, comprising:

  • a) selecting a plurality of risk-assessment modules for execution during a risk-assessment scan, the risk-assessment modules each including vulnerability checks, and requiring communication via at least one predetermined port;

    b) determining a set of ports for communicating with a select number of network components;

    c) executing a port scan of only the set of ports associated with the selected risk-assessment modules and the network components, for reducing the number of ports scanned during the port scan, wherein latency is reduced since a port scan involving 65,536 ports is avoided;

    d) modifying the set of ports based on the port scan, the set of ports being modified to include only ports available for communicating with the network components;

    e) comparing the port associated with each selected risk-assessment module with the modified set of ports; and

    f) conditionally disabling the execution of the risk-assessment modules based on the comparison to minimize the duration of the risk-assessment scan.

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