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

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

See the list