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Firewall is used for?

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Firewalls are used to prevent any kind of malicious software getting into your computer. It will alert you when anything that should not be in your computer may either be trying to get in or may be in your computer and should prevent it from getting any further allowing you to deal with the problem. Viruses are usually the biggest problem.
answered May 24, 2016 by brother New Member (880 points)
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