Little Snitch was a must have when I used a Mac. Open Snitch for Linux is still being maintained. https://github.com/evilsocket/opensnitch https://github.com/e

Little Snitch was a must have when I used a Mac. Open Snitch for Linux is still being maintained. https://github.com/evilsocket/opensnitch https://github.com/evilsocket/opensnitch