The best free firewall software to keep hackers out

The best free firewall software to keep hackers out

The best free firewall software to keep hackers out

Firewalls are essential to protect your computer and network from unauthorized access and cyber attacks. It acts as a barrier between your system and the outside world, allowing only trusted data to pass through while blocking malicious traffic. While there are many paid firewall software options, there are also many free firewall tools that provide powerful protection without breaking the bank. Here are some of the best free firewall software options to keep hackers out.

1. ZoneAlarm Free Firewall

ZoneAlarm Free Firewall is a popular choice for users looking for a reliable and easy-to-use firewall solution. It offers advanced firewall features like incoming and outgoing traffic control, application control, and stealth mode to make your computer invisible to hackers. The software also includes additional features such as identity protection and online backup for added security.

2. Comodo Free Firewall

Comodo Free Firewall is a powerful and feature-rich firewall software that provides comprehensive protection against cyber threats. It provides proactive defense mechanisms to prevent malware, spyware, and other malicious software from reaching your system. The software also includes a Secure Shopping feature that creates a virtual environment for online transactions, keeping your financial information safe from hackers.

3. Small wall

TinyWall is a lightweight, non-intrusive firewall software that focuses on providing effective protection without disrupting your computer’s performance. It uses Windows Firewall to enforce its rules, making it an ideal choice for users who prefer a simple approach to security. TinyWall also comes with a whitelist feature that allows you to easily manage trusted applications and prevent unauthorized access.

4. Windows Defender Firewall

Windows Defender Firewall is a built-in firewall solution for Windows users that provides basic protection against network threats. Although it may not offer as many advanced features as third-party firewall software, it still provides a strong defense against unauthorized access and can be easily managed through the Windows Security app. For users looking for a simple and free firewall solution, Windows Defender Firewall is a reliable choice.

5. OpenDNS home page

OpenDNS Home is a cloud-based firewall solution that works at the DNS level to provide protection against malicious websites and phishing attempts. It offers customizable filtering options to block unwanted content and malware, making it an effective tool for families and small businesses. OpenDNS Home is easy to set up and can be used to protect multiple devices on a network without the need for additional software installations.

6. Perblock

PeerBlock is a free and open source firewall software that focuses on blocking unauthorized incoming and outgoing connections. It uses blocklists to filter traffic from known malicious IP addresses, making it a useful tool for users who want to control the security of their network. PeerBlock is especially popular among users who engage in peer-to-peer file sharing and want to protect their privacy and security while online.


Protecting your computer and network from cyber threats is essential in today’s digital world. Although many paid firewall solutions are available, there are also many free options that provide reliable protection against hackers and malware. Whether you’re looking for advanced features or a simple, effective firewall solution, there’s a free tool to fit your needs. By choosing the best free firewall software, you can keep hackers away and ensure that your data and privacy are safe.

Stay safe and protected with these top free firewall software options!

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