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Leveraging active firewalls for network intrusion detection and retardation of attack

  • US 20070133537A1
  • Filed: 12/08/2005
  • Published: 06/14/2007
  • Est. Priority Date: 12/08/2005
  • Status: Active Grant
First Claim
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1. A network filter comprising:

  • a network interface supporting a plurality of active and inactive ports;

    a controller operable to direct traffic on the active ports to a service configured on its respective active port; and

    a processing unit operable to receive traffic on the inactive ports and provide a response to the traffic on each of the inactive ports.

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