Petter Reinholdtsen: Opensnitch, the application level interactive firewall, heading into the Debian archive (UPDATED)
While reading a blog post claiming MacOS X recently started scanning local files and reporting information about them to Apple, even on a machine where all such callback features had been disabled, I came across a description of the Little Snitch application for MacOS X. It seemed like a very nice tool to have in the tool box, and I decided to see if something similar was available for Linux.
It did not took long to find the OpenSnitch package, which has been in development since 2017, and now is in version 1.5.0. It has had a request for Debian packaging since 2018, but no-one completed the job so far. Just for fun, I decided to see if I could help, and I was very happy to discover that upstream want a Debian package too.
UPDATE
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OpenSnitch Application Firewall Coming to Debian
Popular application firewall OpenSnitch is coming to Debian, one of the oldest and most popular Linux distributions (distros).
OpenSnitch is an open source port of the popular macOS app Little Snitch. Little Snitch, and its open source counterpart, inform the user whenever an app tries to access the internet. It’s a useful feature to crack down on apps that try to ‘phone home.’