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Very simple: go to a terminal by pressing Ctrl+Alt+T and type the following commands: ufw enable apt-get install gufw The first command enables the gnu Firewall and the second command installs the GUI. Now just click on the dash and type firewall and then click on the sole remaining icon to open the GUI!


Which Ubuntu version do you use? At least on 14.04 gufw already comes with a desktop file, /usr/share/applications/gufw.desktop. These are its contents: [Desktop Entry] Version=1.0 Name=Firewall Configuration Comment=An easy way to configure your firewall Categories=GNOME;GTK;Settings;Security;X-GNOME-Settings-Panel;X-GNOME-SystemSettings; ...

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