ZoneAlarm Free Firewall has already been downloaded more than 20 million times worldwide, making it the most trusted free firewall on the market. It provides comprehensive security for free, with advanced protection against viruses, spyware, hackers and identity theft!
Tired of the heavy weight and high performance impact of other firewall solutions? TinyWall is a completely free, lightweight and user-friendly application to protect your computer while being friendly to your resources. You'll be able to enjoy the security benefits of a traditional firewall, even if you have an old computer.
Simplewall is a simplistic tool to configure Windows Filtering Platform (WFP), allowing you to block unwanted network activity on your computer, internal and external. The lightweight application is less than a megabyte and is compatible with Windows 7 SP1 and higher operating systems.
GlassWire has a beautiful, simplified interface and all of the features you’d expect from a firewall and network monitoring app. GlassWire allows you to see your current and past network activity, making it easy to detect threats to your computer. GlassWire also warns you of any changes to your computer or apps that were related to Internet activity, and monitors your network for unknown devices trying to connect.
Looking for the most comprehensive protection against data theft? Bitdefender Total Security gives you the best anti-malware protection against e-threats across all major operating systems.
Avast Premium Security protects your PC, Mac or Android device against all online threats including spoofed websites, ransomware and more. With virus protection and a new firewall, it also provides everything you need to stay safe and secure while shopping, banking and browsing.
pfSense is the complete firewall solution that's easy to use, easy to manage and scale as required for your growing business. It's based on the rock-solid open source firewall platform, FreeBSD. pfSense software provides network security that protects your business from internal and external threats.
OPNsense started as a fork of pfSense® and m0n0wall in 2014, with its first official release in January 2015. The project has evolved very quickly while still retaining familiar aspects of both m0n0wall and pfSense. A strong focus on security and code quality drives the development of the project.
LuLu is the free macOS firewall. When an unauthorized connection attempt is detected, LuLu will let you know, by a system-wide notification, and will make it easy for you to block the offender with a customizable firewall rule.
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