Jul 21, 2025 ·Afirewallis a network security device that monitors and filters network traffic based on an organization’s security policies. What kinds offirewallsare there?Firewallscan be either software or hardware, and most likely you're being protected by both. The router (sometimes called a "modem") that brings the internet from your internet provider to your home or office is usually a hardwarefirewall. Afirewallis a network security solution that monitors and regulates traffic based on defined security rules and accepts, rejects or drops traffic accordingly.
