Personal Firewall is a technology to prevent the information on your computer is the invasion of outside monitors your system to prevent any unauthorized access or issued to allow data to the Internet and other network systems. Personal firewall products such as the famous symantec's Norton, network ice company blackice defender, mcafee company Cisco and the free zonealarm zone lab, etc., can help you monitor and manage the system to prevent Trojan horses, spy-ware and other virus programs into your computer through a network or spread to the outside in case you are unknown. The software can be run independently in the system, or for individual programs, projects, and it is very convenient in practical use.
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No. 2
1 Personal Firewall is a technology to prevent the information on your computer is an external invasion, monitor your system, to prevent any unauthorized access or issued to allow data to the Internet and other network systems. Personal firewall products such as Symantec's Norton famous, Network Ice's BlackIce Defender, McAfee and Zone Lab's Cisco's free ZoneAlarm, etc., can help you monitor and manage the system to prevent Trojan horses, spy-ware and other virus programs into your computer through a network or spread to the outside in case you are unknown. The software can be run independently in the system, or for individual programs, projects, and it is very convenient in practical use. 2 primarily to prevent (computer) viruses from entering your computer, protect your computer safe.