Why Firewall Is Important?

A firewall can help protect your computer and data by managing your network traffic. It does this by blocking unsolicited and unwanted incoming network traffic. A firewall validates access by assessing this incoming traffic for anything malicious like hackers and malware that could infect your computer.

What is importance of firewall?

Firewalls are the first line of defence in protecting against unauthorized access. They are important for blocking unwanted content, helping prevent malicious files such as worms, viruses and malware and creating a secure network which protects every device within that network environment.

Why a firewall is important and give an example?

A security firewall is a technological barrier to prevent unauthorized communications from one computer network to another. An example here would be a private home network and the Internet. The barrier is placed between a secured internal network that can be trusted and an untrusted outside network (Internet).