Douane
Douane is a personal firewall that protects a user's privacy by allowing a user to control which applications can connect to the internet from their GNU/Linux computer.
Installation
Until now (2017/05/22) there isn't Ubuntu packages available. You must build it from source.
These installation instructions are based on information from the Douane Wiki and tested on Ubuntu 16.04.2 64-bit.
Open a terminal (Ctrl+Alt+T) to run the commands.
Preparation
Update your system:
sudo apt update
sudo apt full-upgrade
If you get a notification asking to restart your computer, then restart it.
Install the dependencies
sudo apt install git build-essential dkms libboost-filesystem-dev libboost-regex-dev libboost-signals-dev policykit-1 libdbus-c++-dev libdbus-1-dev liblog4cxx10-dev libssl-dev libgtkmm-3.0-dev python3 python3-gi python3-dbus
Create a directory for compilation
cd
mkdir Douane
cd Douane
Build the kernel module
git clone https://github.com/Douane/douane-dkms
cd douane-dkms
sudo make dkms
Check if the module was built and installed correctly:
lsmod | grep douane
You should see something like:
douane 20480 0
Build the daemon
cd ~/Douane
git clone --recursive https://github.com/Douane/douane-daemon
cd douane-daemon
make
sudo make install
Build the dialog process
cd ~/Douane
git clone --recursive https://github.com/Douane/douane-dialog
cd douane-dialog
make
sudo make install
Start the dialog process:
/opt/douane/bin/douane-dialog &
Then check if it is running:
pgrep -a douane-dialog
You should see something like:
21621 /opt/douane/bin/douane-dialog
Build the configurator
cd ~/Douane
git clone https://github.com/Douane/douane-configurator
cd douane-configurator
sudo python3 setup.py install
Start the daemon and setup automatic starting
I had to insert the following text in the file /etc/init.d/douane in order to enable the automatic starting of the daemon:
### BEGIN INIT INFO
# Provides: douane
# Required-Start:
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Douane firewall
### END INIT INFO
Open the file for edit:
sudo nano /etc/init.d/douane
Then paste the above text after the program description. Press Ctrl+O,Enter to save, then Ctrl+X to exit the editor.
This is the first 21 lines of the file after I inserted the text:
#!/bin/bash
#
# douane This shell script takes care of starting and stopping
# douane daemon (A modern firewall at application layer)
#
# Author: Guillaume Hain zedtux@zedroot.org
#
# description: douane is the daemon process of the Douane firewall application. \
# This firewall is limiting access to the internet on application bases.
### BEGIN INIT INFO
# Provides: douane
# Required-Start:
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Douane firewall
### END INIT INFO
# Source function library.
. /lib/lsb/init-functions
Now you can set up the auto start and start the daemon:
sudo systemctl daemon-reload
sudo systemctl enable douane
sudo systemctl start douane
Activate the filter and auto start the dialog
Start the configurator:
douane-configurator
Then make sure the switches Use Douane to filter my network traffic and Auto start Douane on boot are both turned on.
You can review the filtering rules in the Rules tab. Right clicking a rule you get an option to delete it.
Test
If everything is fine you should see the Douane window asking for permission when you open applications that uses network connections.
Best Answer
If you are talking about the medical software; then this is a link to a Linux version:
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They are all available in the software center.