<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> <busconfig> <!-- This configuration file specifies the required security policies for udev to work. --> <!-- Only root can own the udev service and only root can use the org.kernel.udev.NodeMonitor interface to send signals --> <policy user="root"> <allow own="org.kernel.udev"/> <allow send_interface="org.kernel.udev.NodeMonitor"/> </policy> <!-- Allow anyone to listen to the org.kernel.udev.NodeMonitor interface for messages send from the owner of the org.kernel.udev service --> <policy context="default"> <allow receive_interface="org.kernel.udev.NodeMonitor"/> </policy> </busconfig>