After Antivirus, Firewall is the most essential software for your PC. Here, we will explain What is Firewall, and Why everyone should have a Firewall on their PC
What is a Firewall?
A Firewall is a security software that monitors and filters all incoming and outgoing data while using the internet. It prevents unauthorized access by creating a safety barrier between your computer and the internet.
Generally, Firewall is a special kind of wall is built in houses and large buildings to prevent the fire from spreading. In case of fire accidents, Firewall prevents fire from getting into a room & spreading outside a room.
The computer Firewall has a similar concept. It stops unwanted data from entering into your computer, and it also prevents your data from leaking outside. It is two-way protection.
What does a Firewall Do?
A Firewall prevents unauthorized data transfer and block internet access to specific services.
While using the internet and browsing websites, a Firewall prevents them from installing unwanted software on your PC in the background.
In case your computer is affected by viruses, the Firewall prevents it from spreading to other computers connected through LAN or other systems.
Types of Firewall:Firewalls can be differentiated based on Hardware & Software or based on their workability.
Hardware-Based Firewall:Modern routers may contain a built-in Firewall. Besides that, you will also find dedicated Firewall devices, which we connect between a router and the internet.
Software-Based Firewall:The Firewall tool is pre-installed in Windows. You will also get Firewall feature in most Antivirus Softwares. Moreover, you can also install Third-Party Firewall software
We recommend you use a Firewall for the safety of your computer and personal data. Home users can install Third-party Firewall software or trusted Antivirus Software