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Editors’ Review
GlassWire is a powerful and visual network security solution that acts as both a traffic monitor and a sophisticated personal firewall. This free-to-download software allows users to instantly visualize their current and past network activity, providing unparalleled transparency. Alternatives for deep network insights include NetLimiter and the more technical Wireshark.
The core benefit of GlassWire is its ability to detect hidden threats, including malware and spyware, by flagging unusual or unauthorized application behavior. As a crucial defensive layer, it actively warns users of network-related changes or suspicious app activity that could signal a compromise.
Intuitive data meets granular control
GlassWire excels in providing immediate, actionable security intelligence through its beautiful, real-time graph. This visual interface immediately shows which applications are communicating, what kind of traffic is being sent (IP/Host, type), and even the country of the connected host. This visibility is essential for privacy and security, as it allows users to quickly identify and block applications that shouldn't be communicating with the outside world.
Additionally, the software offers a robust data usage monitoring suite, tracking both PC and mobile data consumption, with alerts available to prevent exceeding monthly limits. The unique network time machine feature is a standout, allowing users to scroll back in time to review past network activity, even when they were away from the computer. This forensic capability helps pinpoint exactly when and how a breach or suspicious connection occurred.
The software’s personal firewall provides granular control over network access, offering an Ask to connect mode that demands user permission before any new application can initiate an outgoing connection. Users can also create custom firewall profiles tailored to different environments. Despite these powerful features, a major drawback is the severely limited functionality of the free version, with key features and historical data storage being restricted.
Pros
- Highly visual and intuitive network graph
- Detects malware and hidden remote connections
- Unique network time machine for forensic analysis
- Granular control via personal firewall
Cons
- Limited features in the free tier
Bottom Line
Is GlassWire a good firewall?
In a nutshell, GlassWire offers an enormously helpful personal firewall for anyone serious about understanding and controlling their digital security footprint. Its striking visual presentation makes complex network data accessible, turning routine monitoring into an intuitive experience. While the free offering serves primarily as a limited demo, the full version provides an essential layer of security intelligence and granular control that justifies the investment.
What’s new in version 3.7.880
- Added support to monitor running applications even without active network traffic
- Enabled the ability to export network scanner results into a CSV file
- Fixed multiple user interface issues
- Resolved compatibility problems
Used GlassWire for Windows? Share your experience and help other users.
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