What is a Firewall? And Why It's Important to Have a Firewall Set Up


What is a Firewall?

In a normal way Firewall means a wall or partition designed to inhibit or prevent the spread of fire. In computing, way firewall is a wall and shield that protect a network or system from unauthorized access via the router.


Firewall is a security system which protects the System from Intruders and hackers. It is a network security device that keeps an eye on incoming and outgoing traffic and stop and slowdown viruses and malware to spread from one computer or subnet or network to another.

Why It's Important to Have a Firewall Set Up

While antivirus software helps to protect the file system against unwanted programs, a firewall helps to keep attackers or external threats from getting access to your system in the first place. Other threats travel from computer to computer without the knowledge of the user.

Main advantages of using firewalls?

These are listed below:
Software Firewall. Software firewalls are installed separately on individual devices.
  1. Hardware Firewall.
  2. Next-Generation Firewall.
  3. Preventing Malicious Traffic.
  4. Alerting About Malicious Activity.
  5. Blocking Data Outflow.
  6. Safeguarding From Phishing Attacks.
  7. Content Filtering.
Traditional firewall software no longer provides meaningful security, but the latest generation now offers both client-side and network protection. Firewalls have always been problematic, and today there is almost no reason to have one.” Firewalls were and still are no longer effective against modern attacks.

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