There are various thoughts for the personal firewall for your home network. Some people have said that you do not need a firewall as you have a separate router; there is just a need for strong security software. Some people have the opposite thought about the firewall, as they have faced havoc created by hackers and regret not having a firewall to their system. Here, we will know what a firewall is, how it works, and whether you need it.


What is the Firewall, and how is it defined?
A firewall is a network security software to identify incoming and outgoing traffic to your network. The firewall is helpful to defend your system against constant network-based threats. It also gives complete security to your system from harmful network traffic. A firewall is also helpful to protect your system from harmful software sent by hackers via the Internet. It filters as well as blocks unknown network traffic to your system and does not allow any third party to access your data.

A personal firewall is vital for all your devices that are linked to the Internet. Your computer, mobile, web server, IoT, Etc., must be secure when attached to the Internet. An unsecured device is easy to get attacked by hackers. It allows hackers to attack your system and steal your vital info or data.

Types and Uses of Personal Firewall
There are many types of Firewalls designed to fulfill the different needs of the users. They all have other functions according to the number of the system, type of web server, etc. Some firewalls are personal firewalls, hardware firewalls, software firewalls, etc.

The personal firewall is for the use of just one system. It comes pre-installed on your system. This type of firewall is also pre-installed with some good security software. The personal firewall works like the server firewall; it has a set of pre-defined rules to allow or reject connections from other apps or devices.

The personal firewall also secures your SMTP ports and protects your online network. It analyses incoming and outgoing network traffic and filters the unknown traffic to secure your system. They also analyze the network traffic and identify the activity of all the apps on your system.

Do you need a firewall for your home network?
You need to ensure that all your devices linked to the Internet are secured, including your computer, tablet, desktop, laptop, and mobile. It is vital that your devices must have the latest version of security software, OS, and web browsers. You also make sure that you must secure your wireless router. Your home network is very much secure as you use a separate router.

Many antivirus software comes with a personal firewall to protect your system from hackers. If you install a modern version of MS Windows or MAC, you get a firewall by default with Windows or the MAC OS. VPN is also the best way to secure your online network.

The traffic to your home network is more secure than the traffic you get from the public network. The ports through which you connect to the sites and online apps via Internet are how hackers can take over your system. Personal Firewalls that you get pre-installed with Windows are alone capable of providing complete security to these ports.

Robust firewalls allow giving permissions to valid programs wiping out the bad ones. When your network comes in contact with the bad program, the firewall smacks it down and secures your network.

Final Verdict
Personal Firewalls are great when securing your home network. They do all the things to give security to your network. Getting a firewall is easy today as you get it pre-installed with the latest version of MS Windows or the MAC OS. Good security software also protects your network, providing a robust firewall system. Today, in this advanced world, there are very few reasons to get a standalone personal firewall for your home network. But yes, there can be a few reasons why you need to install a personal firewall. It would be best to take all the vital measures to protect your system from hackers. Install good security software, perform a full scan of your system, do not click on harmful links, never visit harmful sites, Etc.

Source :- https://informationtechnologyhub.wordpress.com/2022/08/17/do-you-ne...