×

Firewall system for protecting network elements connected to a public network

DC
  • US 5,826,014 A
  • Filed: 02/06/1996
  • Issued: 10/20/1998
  • Est. Priority Date: 02/06/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A firewall system for protecting a network element from access over a network to which the network element is attached, the firewall system comprising:

  • a firewall box comprising a stand alone computing platform;

    a first connection connecting the firewall box to the network element; and

    at least one proxy agent running on the firewall box for verifying that an access request packet received over the first connection is authorized to access the network element, the at least one proxy agent initiating a connection to the network element on behalf of the access request if the access request is authorized, wherein the at least one proxy agent verifies that a time period during which an incoming access request is received is valid.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×