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What is Firewall ?
Firewall is a computer security system (pronounced firewall) from being attacked by malicious people or unauthorized communications. Most of which come from the Internet network. Including the LAN network as well. Currently, Firewall has both hardware and software devices.
What are the functions of a Firewall?
Once we know what a Firewall is, how it works. Next, we will continue to talk about the benefits of the Firewall. The benefits of Firewalls are to prevent whether the data is transmitted securely or not by comparing with the various rules that the user uses. (Administrator) has defined. If a single rule is not passed, the Firewall will not allow it to pass through. But it depends on the user’s own decision. If the data is not secure but the user allows it to pass through, the Firewall will let it in.
When everyone has more access to the internet world It’s like going in the wide world. We may not know everyone. all websites Therefore, we should build a wall to protect ourselves a bit. So that they can not enter the computer and damage it.
