Who needs a firewall

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When you obtain a broadband connection, it is important to purchase and install a good software or hardware firewall. Firewalls not only monitor and filter Internet traffic, they also make your computer's data ports invisible to the outside world. Without firewall protection, your computer is about as vulnerable as a house with its front door wide open. There are a variety of software and hardware firewalls sold today that are competitively priced and adequately protect your computer. Some, such as ZoneAlarm (www.zonelabs.com ) and Windows XP's ICF (Internet Connection Firewall) cost nothing.