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

United States Patent

October 18, 2011
View the Complete Patent at the US Patent & Trademark Office
Methods, systems, and computer program products for firewall policy optimization are disclosed. According to one method, a firewall policy including an ordered list of firewall rules is defined. For each rule, a probability indicating a likelihood of receiving a packet matching the rule is determined. The rules are sorted in order of non-increasing probability in a manner that preserves the firewall policy.
Fulp; Errin W. (Winston-Salem, NC), Tarsa; Stephen J. (Duxbury, MA)
Wake Forest University (Winston-Salem, NC)
11/ 390,976
March 28, 2006
GOVERNMENT INTEREST This invention was made with Government support under Grant No. DE-FG02-03ER25581 awarded by U.S. Department of Energy, Mathematical and Computational Information Sciences Division. The Government has certain rights in the invention.