Question what is Firewall?
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A firewall is a security device computer hardware or software that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer. Firewalls can provide different levels of protection.
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A firewall is a security device — computer hardware or software — that can help protect your network by filtering traffic and blocking outsiders from gaining unauthorized access to the private data on your computer. ... Firewalls can provide different levels of protection.
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