Firewalls
Firewalls should be your computer?s best friend. It is a virtual wall that helps protect you and your computer from environments that may be unsafe or untrustworthy.
A firewall actually regulates the traffic between the internet and your home network. Your computer is protected from viruses and worms. Firewalls can be installed on your hardware and software or both. Firewalls are designed to keep private networks private.
This software keeps unauthorized users or those who do not meet the specified security criteria from accessing the sites.
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Computers » Firewalls