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Providing security for external access to a protected computer network

  • US 7,552,471 B2
  • Filed: 03/06/2006
  • Issued: 06/23/2009
  • Est. Priority Date: 03/12/2002
  • Status: Expired due to Term
First Claim
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1. A method of sending a request, comprising:

  • receiving via an external network an external request sent using a first security procedure, wherein the external request comprises a request from a requesting party for response data associated with an internal computer system associated with an internal network;

    normalizing at least a portion of the external request into a common format;

    applying a decision tree to the normalized external request to determine an action to take in response to the external request; and

    sending to the internal computer system, after applying the decision tree to the normalized external request and using a second security procedure based at least in part on the results of the application of the decision tree, an internal request for said response data.

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