Question

define the computer firewall

Answer 1

A firewall is a system designed to prevent unauthorized access to or from a private network. You can implement a firewall in either hardware or software form, or a combination of both. Firewallsprevent unauthorized internet users from accessing private networks connected to the internet, especially intranets.

Answer 2

A firewall is a system design to prevent unauthorised access to or from a private network. It prevents unauthorised Internet users from accessing private networks connected to the Internet especially intranets.

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