What is a firewall? What does it matter?

What is a Firewall? 🛡️ The Essential Helper That Protects Your Data Secure!

Ever wonder why our computers or phones don't get hacked so easily? One of the key aids to "door guard" is the Firewall!

Today we will understand what Firewall is and why it is important to our digital lives.

Firewall = "Digital Home Door Guard"

Imagine that our personal information is home and that the Internet is a big street that is constantly roamed by people.

* A firewall is a "doorman" standing in front of the house, watching everyone walk in and out.

* If it's a neighbor (good information): The guard will let it enter the house normally.

* If it's a stranger (dangerous information): The guard then closes the door not to come in immediately.

How does firewall work?

Firewall will act as a protective barrier between our devices and the Internet, with simple principles:

* Data Screening: Firewall will monitor data running into and out of all our devices.

* Allow / block: If the data is secure, it is allowed to pass, but if the data is suspicious, it will block it from entering immediately.

How many firewalls are there?

In general, there are two main types of firewalls:

* Software Firewall: It is a program installed directly on a computer such as Windows Firewall that comes with an operating system.

* Hardware Firewall: It is a device installed between the Internet network and our device. It is often used in large enterprises to protect the entire network.

Summary: Firewall is the first shield to protect our data from viruses, malware, or bad hopes. Check if the firewall on your device is active for the safety of all our personal information!

Hopefully this post will make it easier for friends to understand Firewall. If you like IT content like this, don't forget to click like and comment. 😊

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