What Is a Firewall in Computer Network

What is a Firewall and Why Do We Need It? | Network Security Basics

A firewall is the first line of defense in your network — but what exactly does it do, and why is it so critical in cybersecurity? In this short video, we explain what a firewall is, how it works, and why every organization and home network needs one — in simple, beginner-friendly terms. For Any Queries please connect on below contact ...

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