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OpenSnitch is a GNU/Linux application firewall.

••Key Features •Download •Installation •Usage examples •In the press ••

• Interactive outbound connections filtering.
• Block ads, trackers or malware domains system wide.
• Ability toconfigure system firewall from the GUI (nftables).
  • Configure input policy, allow inbound services, etc.
• Managemultiple nodes from a centralized GUI.
• SIEM integration

Download deb/rpm packages for your system fromhttps://github.com/evilsocket/opensnitch/releases

$ sudo apt install ./opensnitch*.deb ./python3-opensnitch-ui*.deb

$ sudo dnf install opensnitch*.rpm

Then run:$ opensnitch-ui or launch the GUI from the Applications menu.

Please, refer tothe documentation for detailed information.

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!

• 2017PenTest Magazine
• 11/2019It's Foss
• 03/2020Linux Format #232
• 08/2020Linux Magazine Polska #194
• 08/2021Linux Format #280
• 02/2022Linux User
• 06/2022Linux Magazine #259

If you find OpenSnitch useful and want to donate to the dedicated developers, you can do it from theSponsor 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

See the list