Network attached device with dedicated firewall security

  • US 7,739,302 B2
  • Filed: 09/11/2001
  • Issued: 06/15/2010
  • Est. Priority Date: 09/01/1998
  • Status: Expired due to Term
First Claim
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1. A network arrangement comprising:

  • a network client and at least one network attached device (NAD) residing on a same network;

    a NAD server disposed between the network client and the NAD, the NAD server being configured to electronically communicate with the NAD over a connection, the NAD server being further configured to receive request contained in a data packet for network access to the NAD, the NAD server including computer executable instructions that, upon execution, cause the NAD server to;

    determine whether the header of a received data packet containing the request for network access includes at least one of an IP address of a network source, an IP address of a network destination, and a route of the data packet, the NAD being further configured to filter the data packet based at least on an IP address in a header of the data packet and to;

    determine whether the received request for network access to the NAD is authorized; and

    provide the network client with network access to the NAD only if the request for network access is authorized, such that the NAD is protected from unauthorized access requests from the network client and other devices in a manner that is in addition to any protection afforded by a firewall.

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