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Does my computer have a firewall?

If your computer is running Windows XP with service pack 2, Windows Vista, Windows 7, Windows 8, or Mac OSX - it has a firewall. For most other systems, you need to install a separate firewall.

I've got a firewall. Am I okay?

No. New malicious software is constantly being written and circulated. You need to keep your security software up to date so that it will defend you against the latest threats.

Do I need to turn the firewall off to do some things on the net?

Never turn off the firewall if you are connected to the internet. Some software will conflict with the firewall at first but these conflicts can be resolved without turning the firewall off.

My Firewall is asking me to let a programme access the internet, what should I do?

If you recongise the programme that is requesting access, you should be okay to allow it. If in doubt, don't.

The Family