Port Monitoring

Think of ports like doors in a house. Each door represents a specific service on your device, like web browsing or email. When a program wants to connect with something outside your device, it knocks on the corresponding door. If the service is running and the door is open, they can chat freely. But if not, they can't connect. Just like at home, where different doors serve different purposes, ports do the same in the IT world. You can control which doors are open or closed, kind of like locking them, to keep your system safe.

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