A privacy-focused application firewall that monitors and blocks network connections at the kernel level. It features per-app rules and integrated DNS-over-TLS for system-wide privacy.
Tech Stack
GoVPN & Network
Why portmaster?
• No account required
• Kernel-level monitoring
• Integrated SPN support
Limitations
• High CPU usage
• Windows/Linux only
• Beta status stability
3/5/2026
Last Update
445
Forks
82
Issues
GPL-3.0
License
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