Dell Inspiron 1564 Dell™ Technology Guide - Page 180
Firewalls, support.dell.com, Network and Internet Connections, Security Center, Windows Firewall
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Using Antivirus Programs Protect your computer from viruses by using antivirus programs. Two popular antivirus programs include Norton AntiVirus and McAfee VirusScan. Both of these programs will regularly check your computer for viruses and quarantine suspected programs and data. You can obtain antivirus programs from the Dell Support web page located at support.dell.com. Updating Your Antivirus Programs Keep your antivirus program up to date since new viruses are discovered every day. Regularly check for updates to your antivirus program. Some antivirus programs can update automatically when you are connected to the Internet. Firewalls Firewalls are an added security feature in Windows operating systems. A firewall is a software device that is configured to allow data to pass through a computer network, which has different levels of trust. The basic task of a firewall is to regulate the flow of traffic between computer networks of different trust levels. EXAMPLE: Typical examples of computer networks are: • Internet, which is a zone with no trust • Internal networks, which are zones of higher trust type To set up a firewall: 1 Click Start→ Control Panel→ Network and Internet Connections→ Windows Firewall. OR Click Start→ Control Panel→ Security Center→ Windows Firewall. 2 Click Change Settings. Windows Firewall Settings window appears. 180 Accessing the Internet