evilsocket/opensnitch
evilsocket/opensnitch has 14,257 GitHub stars and 684 forks. GitHot measured +3 stars in 24 hours. Last checked 2026-11-07 14:54 UTC. Last push 2026-07-26.
OpenSnitch is a GNU/Linux interactive application firewall inspired by Little Snitch.
What you can do
- Interactive outbound connections filtering.
- Block ads, trackers or malware domains system wide.
- Configure input policy, allow inbound services, etc.
- Manage multiple nodes from a centralized GUI.
Measured star growth
- in 24h
- +3
- in 7 days
- Collecting history
- in 15 days
- Collecting history
- in 1 month
- Collecting history
Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.
README.md
Original
Join the project community on our server!
OpenSnitch is a GNU/Linux application firewall.
•• Key Features • Download • Installation • Usage examples • In the press ••
Key features
- Interactive outbound connections filtering.
- Block ads, trackers or malware domains system wide.
- Ability to configure system firewall from the GUI (nftables).
- Configure input policy, allow inbound services, etc.
- Manage multiple nodes from a centralized GUI.
- SIEM integration
Download
Download deb/rpm packages for your system from https://github.com/evilsocket/opensnitch/releases
Installation
deb
$ sudo apt install ./opensnitch*.deb ./python3-opensnitch-ui*.deb
rpm
$ sudo dnf install opensnitch*.rpm
Then run: $ opensnitch-ui or launch the GUI from the Applications menu.
Please, refer to the documentation for detailed information.
OpenSnitch in action
Examples of OpenSnitch intercepting unexpected connections:
https://github.com/evilsocket/opensnitch/discussions/categories/show-and-tell
Have you seen a connection you didn't expect? submit it!
In the press
- 2017 PenTest Magazine
- 11/2019 It's Foss
- 03/2020 Linux Format #232
- 08/2020 Linux Magazine Polska #194
- 08/2021 Linux Format #280
- 02/2022 Linux User
- 06/2022 Linux Magazine #259
Donations
If you find OpenSnitch useful and want to donate to the dedicated developers, you can do it from the Sponsor this project section on the right side of this repository.
You can see here who are the current maintainers of OpenSnitch: https://github.com/evilsocket/opensnitch/commits/master
Contributors
Translating
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