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Secured session sequencing proxy system and method therefor

  • US 6,718,388 B1
  • Filed: 05/18/1999
  • Issued: 04/06/2004
  • Est. Priority Date: 05/18/1999
  • Status: Expired due to Term
First Claim
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1. A system for communicating data between a user terminal and a host, said user terminal being coupled to a first network and said host being coupled to a second network, said system comprising:

  • a first server coupled to said first network, said first server receiving a data communication session establishment request from said user terminal requesting a data communication session between said user terminal and said host;

    a second server coupled to said second network;

    a main proxy control connection between said first and second servers, said main proxy control connection being established by said second server sending a communication control session establishment request to said first server, wherein said first server is unable to initiate communications between said first and second servers; and

    a data communication connection established between said first and second servers in response to said data communication session establishment request only if said main proxy control connection has already been established between said first and second servers, wherein said data communication connection is different from said main proxy control connection.

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