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Method and apparatus for dynamic modification of internet firewalls using variably-weighted text rules

  • US 6,917,980 B1
  • Filed: 12/12/2000
  • Issued: 07/12/2005
  • Est. Priority Date: 12/12/2000
  • Status: Expired due to Term
First Claim
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1. A method for filtering content comprising:

  • assigning point values to a plurality of keywords;

    receiving a first plurality of documents from a source;

    comparing text of each of the first plurality of documents with the plurality of keywords;

    calculating a score for cach of the first plurality of documents based on the point values and the results of the comparison;

    calculating an first average of the scores for the first plurality of documents; and

    blocking access to the source if the first average score exceeds a threshold.

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