The Firewall is a very important tool to protect your device from hacking.

Without the firewall, the installed programs on your system handles your device with “open door” policy where the installed programs can access your sensitive data such as email, passwords, and bank card data, but the firewall provides protection for your device from viruses where it can monitor and control the communications of the installed programs on the device by preventing/allowing it to connect to the Internet.

It is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.[1] A firewall typically establishes a barrier between a trusted internal network and untrusted external network, such as the Internet.

Firewalls are often categorized as either network firewalls or host-based firewalls. Network firewalls filter traffic between two or more networks and run on network hardware. Host-based firewalls run on host computers and control network traffic in and out of those machines.

Comodo Firewall

Comodo Firewall is considered one of the best Firewalls for PC. It is free and has great features to protect user privacy as Killswitch feature to prevent IP leak when the VPN disconnect suddenly.

Comodo aims to thwart hacking and cybercrime attempts by using its own anti-virus and firewall service, which scans all outgoing and incoming connections to your computer then checks, filters and blocks anyone from accessing your data, this makes the accessing for your sensitive data is very difficult for hackers and intruders. It also gives you the level of protection that you want to activate on your device taking into consideration the capabilities of your device to allow everyone to use all methods.

Firewall for Android

AF Wall app is the best Firewall for Android. It required root access to work. AF Wall gives you full control over data packets and access to the Internet whether you connect via Wi-FI or mobile data.

Via AF-Wall you can prevent any application installed on the system from connecting to the Internet only through VPN connection, thus preventing any leak of your data. if the VPN service crashes or disconnect unexpectedly, or the Internet interrupted, The firewall prevents installed applications from synchronizing the IP address of your device.

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