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TCP proxy providing application layer modifications

  • US 7,277,963 B2
  • Filed: 06/26/2002
  • Issued: 10/02/2007
  • Est. Priority Date: 06/26/2002
  • Status: Active Grant
First Claim
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1. A method for modifying a bi-directional stream of TCP segments between two nodes, said method comprising:

  • providing a state machine configured to;

    identify data within said TCP segments, andcreate a properly reconstructed stream of TCP segments,providing an application layer analysis module configured to;

    receive said reconstructed stream of TCP segments from the state machine,examine said reconstructed stream of TCP segments, andcreate TCP segment modification tags;

    wherein said modification tags represent associations between TCP sequence numbers and TCP segment modifications;

    providing a modification module configured to;

    accept said TCP segment modification tags, andcreate modifications to at least a portion of said TCP segments on a segment by segment basis, based on said modification tags.

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