Methods and apparatus for heuristic firewall
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 11, 2003
Issued Date -
N/A
app pub date -
Apr 14, 2000
filing date -
Apr 14, 2000
priority date (Note) -
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Abstract
One embodiment of the present invention is a method for processing packets in a computer communication network that includes steps of analyzing a packet stream using at least a first heuristic stage trained to recognize potentially harmful packets; assigning a confidence rating to packets in the analyzed stream in accordance with a level of confidence regarding the harmfulness of the analyzed packets; and selecting packets for further analysis in accordance with their assigned confidence rating. This exemplary embodiment overcomes disadvantages of previous methods for providing firewall security and is able to learn from and adapt to data flowing through a network to provide additional network security.
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