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DYNAMICALLY ADAPTIVE NETWORK FIREWALLS AND METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT IMPLEMENTING SAME

  • US 20100037310A1
  • Filed: 10/15/2009
  • Published: 02/11/2010
  • Est. Priority Date: 03/10/2004
  • Status: Active Grant
First Claim
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1. A method for constructing a dynamically adaptive network firewall, comprising:

  • establishing a firewall model for the firewall, wherein the firewall model defines nodes, connections between the nodes, and firewall rules applicable to the nodes, to the connections between the nodes, or to a combination thereof, wherein each of the nodes represents simultaneously a source and a destination for data packets, wherein the firewall rules in the firewall model comprise dynamic chains of rules, and wherein the dynamic chains comprise defined places for functional extensions thereto;

    implementing the firewall on one or more machines connected to network segments where the nodes reside; and

    dynamically inserting a firewall rule at one of the defined places while the firewall is operating on the one or more machines.

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