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OpenSnitch is a GNU/Linux interactive application firewall inspired by Little Snitch.
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There's a bug when coming back from suspend state, that causes eBPF proc monitor method stop working. The only solution to this problem for now, is restart the daemon every time the computer wakes up. See: https://github.com/evilsocket/opensnitch/discussions/834#discussioncomment-5712431). |
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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 yum localinstall opensnitch-1*.rpm; sudo yum localinstall opensnitch-ui*.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
Contributors
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