| http://www.w3.org/ns/prov#value | - Firewall programs such as ZoneAlarm???, a registered trademark of Zone Labs, Inc., of San Francisco, Calif., or Desk Top Firewall???, a registered trademark of Symantec, Inc., of Cupertino, Calif., are installed on a desktop computer to prevent unknowing or unauthorized inbound or outbound Internet traffic with the desktop computer.
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