Best Free Firewall

Installing GlassWire will instantly let you monitor your PC’s activity, and if it detects any malware or suspicious activity, the program will block it with only one click. This firewall program will also let you know if any of your apps start importing questionable traffic.

You will receive notifications when an unknown device joins your Wi-Fi network. Another useful feature is that this firewall allows you to track your daily, weekly, and monthly bandwidth usage. This refers to the extent to which you have been using certain apps or programs, as well as the incoming and outgoing traffic.

Some other features include multiple server monitoring, discrete alerts, the “ask to connect and lockdown” option, different firewall profiles, and much more. While GlassWire provides several useful features, some options are only available for GlassWire Pro, GlassWire Basic, and GlassWire Elite. This firewall is also available for mobile phones (Android only).

ZoneAlarm Firewall is a solid option that will keep all your data safe. It offers a free version and the ZoneAlarm Extreme Security for $35.95 a year. ZoneAlarm offers different packages for your home computer and your business. Not only does it protect your Windows (version 7 to 10), but it also provides mobile security for both iOS and Android devices.

The way the program works is by identifying any potential malware or viruses, after which it will shield any open ports. Other safety features include safe browsing and downloading, identity protection, malware blocking, protection from hackers, and many more. It basically makes your device invisible to any threats. Another great feature is the option to evaluate the safety of any Wi-Fi network that your PC is connected to, all the while giving you tips on how to stay safe from cyber-attacks.

You can also set a password for the firewall settings to go a step further, keeping your device 100% safe. Installing this firewall on your device will definitely keep it safe. In fact, ZoneAlarm has an impressive track record of being installed 20 million times.

Owned by Online Media Technologies Ltd, AVS Firewall is available for download from Softpedia, Tucows, or alternative sites that distribute free software. You can install the firewall on your device in a few simple steps, and once you turn it on, you don’t have to worry about your PC’s safety.

The interface is also relatively user-friendly, so anyone can use it effortlessly. One factor that makes AVS Firewall a reliable choice is the option to create custom firewall rules for all your apps and programs. Apart from this feature, AVS also provides parental control options. This means that you can make a list of URLs that are acceptable for your child and a blacklist as well.

AVS Firewall lets you view your incoming and outgoing traffic while allowing you to control its volume. Some other things you can block with this firewall are pop-ups, ads, banners, malicious traffic, as well as any changes made in the PC registry.

If you don’t want to go through the hassle of finding and downloading a firewall for your device, we have some good news for you. If you have a Windows, then Windows Defender is already installed on your device, and it’s already actively working by default.

This applies to all Windows versions, except for Windows XP. Windows Defender is a reliable software tool that keeps all your data safe and manages your privacy at the same time. It works through the Windows Security app on your device. One of the latest features of Windows Defender is the Windows Hello option, which uses face recognition software instead of regular passwords.

Other useful features of Windows Defender are the included online safety tools. With Windows Defender, you can limit your or somebody else’s screen time, restrict online purchases, and protect your children from mature content. All of Window Defender’s features are automatically updated, so you can work without having to worry whether the program is doing its job correctly. Even if you want to install another firewall program, Microsoft still recommends leaving the Windows Defender on. Although with Windows Defender, you may not need another firewall.

Similar to some of the firewall programs on this list, Avast offers a free plan and two more premium packages – Premium Security for $49.99 a year and the Ultimate Avast for 79.99 a year. Even though the two premium plans have additional safety features, the free plan is quite reliable, and more importantly, it gets the job done.

The free Avast firewall provides six layers of security. Furthermore, it’s available for Windows, Mac, Android, and iOS. The installation process is straightforward, and it’s easy to use. What’s more, this firewall’s high-speed performance won’t slow down your device, so you can work in peace. Once installed, Avast starts scanning your device for viruses and any potential threats. If it detects a virus, it instantly blocks it, all the while notifying you about the current situation.

Another useful tool is the Wi-Fi Inspector, where this program automatically detects weaknesses in the Wi-Fi your device is connected to. Marketed as the world’s most trusted antivirus, Avast has 435 million users. It’s definitely a great option to consider to keep your device safe.

PeerBlock is unlike any of the firewall programs mentioned so far. While other firewalls give you the option to block particular apps and programs, PeerBlock actually blocks IP addresses. In other words, it blocks both incoming and outgoing traffic, allowing for maximum security.

PeerBlock can even block organizations! PeerBlock is compatible with all versions of Windows, even the XP version. The installation process might take a little more time, but once it’s completed, you can toggle the program on and off effortlessly. You can start by making a list of all the IP addresses that are acceptable and those which are not.

You can update your whitelist and blacklist at any time. This firewall program requires a very low amount of CPU and space on your device. The tool might seem untrustworthy because it hasn’t been updated for a long time and still has an outdated Windows design. However, PeerBlock works just as well as any other firewall program. Not only that, but it’s very easy to figure the program out because of its simple design.

NetDefender is another free firewall service that is very easy to install and use. Due to its user-friendly interface, you can block unwanted traffic, programs, or any apps you want. Just keep in mind that an app or program has to be running for you to add it to the firewall’s blacklist.

Another useful tool that NetDefender offers is the port-scanner feature. It lets you know which ports are open and how many you should close. You can also block pop-up ads, malware, viruses, and any suspicious activity will be immediately reported.

What’s more, you can do all of this with just one click. Once you install this firewall on your device, you won’t have to worry about your privacy or the safety of your data ever again. Even though NetDefender is intended for Windows 2000 and Windows XP, users have tried installing it on Windows 7 and 8, and it worked just fine on those devices.

Evorim Free Firewall is an excellent program designed to keep all of your data safe. It allows you to monitor every program and app on your device, and it also lets you know when a program on your device accesses the internet.

What’s more, you can set up an authorization request for every app and program you have. Doing this will prevent potentially suspicious malware or site invaders from accessing your network. Evorim also detects viruses and botnets and immediately removes them from your device, allowing you to work safely and with no concerns.

The installation process is quick and easy, and using it is no more difficult. It even monitors background programs, which are constantly running without you even realizing it. This software is compatible with Windows 7, Windows 8, Windows 10, Mac, and Linux. If you want to secure maximum safety of your data, then Evorim is definitely the right option for you. Remember, it’s only one click away.