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I'm one of today's best-selling computer book writers, with more than 15 million books in print.

This website keeps you up-to-date on my books, and your computers. Each week, I answer a reader's question on-line.

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Tag: firewall

Is Windows XP’s firewall good enough?

When talking about computer security, the answer always depends on your personal level of paranoia: No computer system is completely secure. Many people are satisfied with Windows XP’s built-in “one-way” firewall. It makes a fairly decent effort to keep people on the outside from getting into your computer. Other firewalls, such as ZoneAlarm, work as […]

Making sure Windows’ firewall is turned on

I cover Windows’ built-in firewall in my books Windows XP For Dummies, Windows Vista For Dummies, and Windows 7 For Dummies. But if you ever need to turn on the firewall or make sure that it’s turned on and protecting your PC, follow these steps: