hola opensnitch package, for debian buster , works perfectly in debian buster , parrot os , kali linux . / I have not tried it on debian stretch or on ubuntu
Need installation of : apt-get install libnetfilter-queue1 libnetfilter-conntrack3 python3-slugify python-pyqt5 libc6 python3.7 Package : opensnitch_1.0.deb https://sourceforge.net/projects/unknownos/files/opensnitch/ sorry for my bad english
