View file File name : avahi-dbus.conf Content :<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd"> <busconfig> <!-- Only root or user avahi can own the Avahi service --> <policy user="avahi"> <allow own="org.freedesktop.Avahi"/> </policy> <policy user="root"> <allow own="org.freedesktop.Avahi"/> </policy> <!-- Allow anyone to invoke methods on Avahi server, except SetHostName --> <policy context="default"> <allow send_destination="org.freedesktop.Avahi"/> <allow receive_sender="org.freedesktop.Avahi"/> <deny send_destination="org.freedesktop.Avahi" send_interface="org.freedesktop.Avahi.Server" send_member="SetHostName"/> </policy> <!-- Allow everything, including access to SetHostName to users of the group "avahi" --> <policy group="avahi"> <allow send_destination="org.freedesktop.Avahi"/> <allow receive_sender="org.freedesktop.Avahi"/> </policy> <policy user="root"> <allow send_destination="org.freedesktop.Avahi"/> <allow receive_sender="org.freedesktop.Avahi"/> </policy> </busconfig>