What does a Firewall do?

What does a Firewall do?

This video helps explain what a firewall is. (By request)

A two way firewall is absolutely necessary.

Zonelabs has had the best free version and the the best paid version of a software firewall on the market for at least the last 8 years or so.  We recommend them for individual PC’s, sometimes in conjunction with a hardware firewall for offices.

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