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Transparent network traffic inspection

  • US 8,451,724 B2
  • Filed: 12/14/2010
  • Issued: 05/28/2013
  • Est. Priority Date: 12/23/2008
  • Status: Active Grant
First Claim
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1. A method for inspecting network traffic traversing a portion of a communication network using a network traffic inspection system having a traffic inspection module, the method comprising:

  • receiving a filter change request from a subscriber over the communication network, the filter change request defining a modification to a set of filter criteria for filtering network traffic, the set of filter criteria being stored in association with the subscriber in a filter criteria data store;

    updating the set of filter criteria in the filter criteria data store as a function of the filter change request;

    receiving a content dataset at the traffic inspection module, the content dataset relating to the network traffic;

    identifying the content dataset as being associated with the subscriber;

    retrieving the set of filter criteria associated with the subscriber from the data store; and

    filtering the network traffic as a function of the set of filter criteria, so that a portion of the network traffic is stored as inspection data in an inspection data store in association with the subscriber and another portion of the network traffic is discarded.

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