What is a Firewall ? | Firewall Explained | Firewalls and Network Security

Опубликовано: 20 Октябрь 2024
на канале: GPM Tech Train

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What is Firewall ?
A firewall is a network security device that is designed to prevent unauthorized access from entering a private network by filtering the
information that comes in from the internet. A firewall blocks
unwanted traffic and permits wanted traffic.

A firewall is a network security device or software that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks (like the internet), filtering traffic to prevent unauthorized access, malware, and other cyber threats while allowing legitimate communication to pass through.

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