They are typically used in smaller organizations or home networks.įirewalls protect data by filtering out malicious traffic. Software firewalls, on the other hand, are programs that are installed on individual computers or networks. They are typically used in larger organizations that need to protect multiple computers or networks from external threats. Hardware firewalls are physical devices that are installed between the internal network and the Internet. The firewall acts as a barrier between the trusted internal network and untrusted external networks, such as the Internet.įirewalls can be either hardware- or software-based. It works by controlling incoming and outgoing network traffic based on a set of rules.

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Firewall & network protection