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Editors’ Review

Download.com staff

ZoneAlarm Free Firewall offers robust two-way protection by monitoring inbound and outbound traffic to block unauthorized access. It controls program internet connections, keeping your PC hidden from hackers. With real-time intrusion detection and anti-bot technologies, it actively prevents botnet attacks, spam, and data theft, delivering enhanced security while requiring minimal input from the user.

ZoneAlarm Free Firewall defends against network attacks like port scans, unauthorized access, and spyware. Its method of dividing networks into trusted, public, and blocked zones lets users customize security, reducing risks while effectively protecting sensitive data from external threats.

User-friendly network zone management

ZoneAlarm Free Firewall’s zone-based system enables users to classify networks as trusted, public, or blocked, simplifying firewall rule management. This clear categorization reduces risk by limiting communication with untrusted networks, enhancing overall security without complicated settings. Additionally, the intuitive interface clearly displays your system’s protection status, making it easy to monitor and control firewall activities while maintaining strong network defenses effortlessly.

The firewall features an innovative anti-bot system that detects and blocks malicious bots before they infiltrate your device. This proactive defense prevents cyberattacks like spamming and data theft from harmful botnets. Alongside monitoring suspicious program behavior and providing early boot protection against rootkits, ZoneAlarm offers multiple layers of security to maintain your system’s integrity and shield it from evolving threats.

The free firewall provides essential protection with minimal impact on system performance and internet speed but lacks coverage for some advanced threats reserved for premium versions. It works only alongside Microsoft Windows Defender and requires uninstalling other antivirus programs to prevent conflicts. Additionally, its default settings grant programs internet access automatically, so less experienced users may need to adjust these settings manually for stronger control.

Enlarged image for ZoneAlarm Free Firewall
ZoneAlarm Free Firewall 0/1
  • Pros

    • Strong two-way firewall protection
    • Easy network zone classification
    • Real-time bot detection and blocking
    • Minimal performance impact
  • Cons

    • Limited advanced threat protection in free version
    • Default permissive program access requires manual tuning
    • Compatibility limited to Windows Defender only
    • May be complex for beginners to fully optimize

Bottom Line

Comprehensive online security barrier

ZoneAlarm Free Firewall is a dependable security tool that provides core network protection features suitable for everyday users seeking a straightforward firewall solution. Its layered defenses and zone-based design foster a secure environment, helping to block hackers and prevent unwanted internet traffic effectively. Although more advanced protections require upgrading, it remains a solid choice for essential firewall needs on Windows systems.

What’s new in version 158.211.19229

  • Enhanced real-time intrusion detection accuracy
  • Improved anti-bot protection algorithms
  • Better stability and performance with recent Windows updates
  • Updated help resources for user guidance


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Full Specifications

GENERAL
Release
Latest update
Version
158.211.19229
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows 7
  • Windows 8.1
  • Windows 10
  • Windows 8
POPULARITY
Total Downloads
1,134
Downloads Last Week
16

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Developer’s Description

Protect your PC and your Online privacy with a powerful firewall from cyber attacks.
ZoneAlarm Free Firewall gives you full control over your firewall, enabling you to configure it to your security needs by classifying your network settings. It targets and defeats new and advanced attacks that other firewalls miss, giving you maximum security against zero-day attacks.


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