Protect your PC with a firewall

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You might have a firewall already and not know it – your DSL or Cable modem may have a firewall built-in. Look on the label to see what kind of device you have. Log in to your Internet provider’s web site and check whether your modem has a built-in firewall. If it doesn’t, ask to be upgraded.

If you have a laptop computer and access the Internet via WiFi “hotspots” in cafes, libraries, or other locations, you need a firewall even if your home router has a firewall built-in.

You can also install a personal firewall program on each PC in your house. If you have Windows XP or Vista, a firewall is provided with Windows but you need to activate it.

Instructions: Activate Windows XP firewall. Activate Windows Vista firewall.

Or, you can install Zone Alarm or Comodo firewall. Both are easy to install and use.

Zone Alarm:

Test your firewall to see if it is working: Site 1: (, Site 2: ( (You can consider these to be trusted web sites).

4 thoughts on “Protect your PC with a firewall

  1. Pingback: Get the spyware out and keep it out « Securitas Operandi

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  3. Pingback: Make 2008 the year for safe computing « Securitas Operandi

  4. Pingback: New Windows vulnerability is worm bait « Securitas Operandi

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