[hernantz]

Is there a similar software for linux?

[perihelions]

OpenSnitch

https://hn.algolia.com/?query=opensnitch&type=all

[kreyenborgi]

I use this. The first week was weird and scary until I had accepted the rules I needed for my daily usage, now it's been weeks since it's said anything (and I had to check that it was still running but it is).

E.g. running the android emulator was enlightening :-S

[jazzyjackson]

This looks similar, Safing Portmaster

https://github.com/safing/portmaster