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Network security system and the method thereof

  • US 20070192844A1
  • Filed: 12/29/2004
  • Published: 08/16/2007
  • Est. Priority Date: 01/05/2004
  • Status: Active Grant
First Claim
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1. A network security system, comprising a firewall arranged between an internal network and an external network, said firewall comprises a first port configured at the internal network oriented side of the firewall and a second port configured at the external network oriented side of the firewall;

  • wherein the network security system further comprises a trusted node arranged between the firewall and the external network, which is used to provide a data channel between the internal network and external network, and forward the data transported between the internal network and external network; and

    the trusted node comprises a media-stream receiving port used to converge the data from the second port.

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