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Hardware-based firewalls are an appliance that acts as a secure gateway between devices inside and outside the network perimeter. Because these are standalone appliances, hardware-based firewalls do not consume processing power or other resources from the host device.

Software-based firewalls run on the server or other devices. Host firewall software must be installed on each device for protection. Therefore, software-based firewalls consume some of the host device’s CPU and RAM resources.

Cloud firewalls are hosted services that can be configured to track both internal network activity and third-party on-demand environments. Cloud-based firewalls can also be beneficial to smaller organizations with limited staff and expertise.

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