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Methods, systems, and computer program products for network firewall policy optimization

  • US 20060248580A1
  • Filed: 03/28/2006
  • Published: 11/02/2006
  • Est. Priority Date: 03/28/2005
  • Status: Active Grant
First Claim
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1. A method for producing a performance optimized firewall policy, the method comprising:

  • (a) defining a firewall policy including an ordered list of firewall rules;

    (b) for each rule, defining a probability indicating the likelihood of receiving a packet matching each rule; and

    (c) sorting neighboring rules in order of non-increasing probability in a manner that preserves the firewall policy.

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