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Hardware Firewall

A hardware firewall is a physical or virtual device that protects computer networks and data by blocking or restricting access to network traffic. Firewalls are categorized as either network-based or host-based.

A network-based firewall is installed on the network and protects the network from outside attacks. A host-based firewall is installed on individual computers and protects them from attacks from other computers on the network.

Software Firewall

A software firewall is a computer application that protects computer networks and data by blocking or restricting access to network traffic. Software firewalls are categorized as either host-based or network-based.

A host-based firewall is installed on individual computers and protects them from attacks from other computers on the network. A network-based firewall is installed on the network and protects the network from outside attacks.