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INFERENCING DATA TYPES OF MESSAGE COMPONENTS

  • US 20120216274A1
  • Filed: 08/17/2011
  • Published: 08/23/2012
  • Est. Priority Date: 02/18/2004
  • Status: Active Grant
First Claim
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1. A method of a device for generating a rule to filter messages routing across a network, the method comprising:

  • (a) identifying, by an engine executing on a device during a learning mode, a plurality of uniform resource locator (URL) components from URLs in messages received via a network, the plurality of URL components identified at a same hierarchical level within their corresponding URLs;

    (b) selecting, by the engine, a most restrictive data type for the plurality of URL components identified at the same hierarchical level;

    (c) determining, by a filter executing on the device during a filtering mode, if a URL component of a received message from the same hierarchical level matches the most restrictive data type; and

    (d) allowing, by the filter, the received message to pass in response to a determination that the corresponding URL component matches the most restrictive data type selected.

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