OpenSnitch
The facts below are what the maker publishes about OpenSnitch, checked and dated. Our editors have not written about it yet.
Plans and prices
From OpenSnitch's own pricing page, checked 30 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| OpenSnitch | Free | GNU/Linux · self-hosted · GPL-3.0 |
The facts
Each one read from OpenSnitch's own pages, with the date it was checked.
Where it runs
- Application rules
- Yeschecked 22 Sep 2026
- Application type
- Interactive application firewallchecked 28 Sep 2026
- Linux distributions
- The installation wiki documents packages or installation steps for Debian/Ubuntu, RPM distributions, Arch Linux, and NixOS.checked 30 Sep 2026
What it does
- Architecture support
- Release assets include x86_64, i386, armhf and arm64 daemon packages.checked 30 Sep 2026
- Block-list limitation
- Block lists may not work when the system uses systemd-resolved.checked 30 Sep 2026
- Block lists
- It can block system-wide ads, trackers and malware domains, and supports domain, IP, network, regular-expression and MD5 lists.checked 30 Sep 2026
- Central management
- A centralized GUI can manage multiple nodes.checked 28 Sep 2026
- Compatibility limit
- The v1.8.0 release says its GUI is not compatible by default with Linux Mint 21.2 or earlier, Ubuntu 22.04 or earlier, and OpenSUSE 15.5 or earlier.checked 30 Sep 2026
- Connection alerts
- Yeschecked 22 Sep 2026
- Connection filtering
- It interactively filters outbound connections.checked 30 Sep 2026
- Current maintainers
- The repository provides a link to the current OpenSnitch maintainers.checked 28 Sep 2026
- Distribution support
- Packages are provided for Debian/Ubuntu-style DEB systems, RPM systems, Arch Linux and NixOS.checked 30 Sep 2026
- Documentation support
- The project directs users to documentation for detailed information.checked 28 Sep 2026
- Domain blocking
- It can block ads, trackers, or malware domains system wide.checked 30 Sep 2026
- Downloads
- The project README directs users to download DEB or RPM packages from its releases page.checked 30 Sep 2026
- Encrypted nodes
- Since v1.6.1, node communications can be encrypted with TLS/SSL certificates using simple, tls-simple or tls-mutual authentication.checked 30 Sep 2026
- Firewall configuration
- The GUI can configure the system firewall using nftables.checked 28 Sep 2026
- Firewall controls
- The GUI can configure system firewall rules and inbound policy using nftables; iptables rules cannot be configured from the GUI.checked 30 Sep 2026
- GUI launcher
- The GUI can be started with opensnitch-ui or from the Applications menu.checked 28 Sep 2026
- Inbound policy
- The system firewall configuration can apply a restrictive inbound policy that denies inbound connections while allowing established and localhost traffic.checked 30 Sep 2026
- License
- The repository identifies the project license as GPL-3.0.checked 30 Sep 2026
- Log formats
- The syslog logger supports RFC3164, RFC5424, CSV, and JSON formats.checked 30 Sep 2026
- Multi-node management
- A GUI or TUI server can manage daemons running on multiple machines and view their network activity.checked 30 Sep 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
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