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Method and system for securely scanning network traffic

  • US 7,448,081 B2
  • Filed: 09/22/2006
  • Issued: 11/04/2008
  • Est. Priority Date: 04/04/2002
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • at a firewall device operating on an edge of a private network, regarding a data packet encrypted utilizing an encryption parameter shared by a first device, a second device, and said firewall device, said firewall device adapted to communicate with said second device via a public wide area network, said firewall device adapted to form a first security association with said first device, said firewall device adapted to form a second security association with said second device, said firewall device adapted to calculate a first secret key associated with said first security association and a second secret key associated with said second security association, said encrypted data packet sent by said first device to said second device;

    causing said firewall device to decrypt said encrypted data packet within said firewall device, said firewall device adapted to restrict all operators of said firewall device from accessing contents of said data packet.

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