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A firewall is a piece of software or hardware that creates a protective barrier between your computer and potentially harmful content on the Internet. It helps guard against hackers, and many computer viruses and worms. If your computer is running Windows 98, Windows 95, or Windows NT® 4.0, Microsoft recommends that you get and install either a hardware or software firewall before connecting to the Internet. |
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Hardware firewalls |
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Hardware firewalls are a good choice for versions of the Windows operatting system prior to Windows XP such as Windows 95, Windows 98, and Windows NT. Some home networking hardware, like wireless access points and broadband routers come with built-in hardware firewalls. These help protect most home networks.
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Software firewalls |
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Software firewalls are available from several vendors.
To help ensure your PC is protected, please continue to Step 2: Get computer updates.
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Learn more about firewalls |
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Read more about firewalls in this informative article.
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| » Continue to step 2: Get computer updates |
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More virus & security info |
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Printable version
