What is Firewall?

What is Firewall?

Firewall can be hardware, software, or a combination of both, that monitors all network traffic, incoming and outgoing and permits or blocks data packets based on a set of security rules.

They establish a barrier between secured and controlled internal networks that can be trusted and untrusted outside networks, such as the Internet, to block malicious traffic like viruses and hackers to reduce danger.

* Firewall it’s not an option it’s very important feature, don’t hesitate to call the right host provider who will give you more secure by Firewall.

What is firewall?