File: //usr/share/dbus-1/system.d/org.freedesktop.portable1.conf
<?xml version="1.0"?> <!--*-nxml-*-->
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
        "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<busconfig>
        <policy user="root">
                <allow own="org.freedesktop.portable1"/>
                <allow send_destination="org.freedesktop.portable1"/>
                <allow receive_sender="org.freedesktop.portable1"/>
        </policy>
        <policy context="default">
                <deny send_destination="org.freedesktop.portable1"/>
                <!-- generic interfaces -->
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.DBus.Introspectable"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.DBus.Peer"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.DBus.Properties"
                       send_member="Get"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.DBus.Properties"
                       send_member="GetAll"/>
                <!-- Manager object -->
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="GetImage"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="ListImages"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="GetImageOSRelease"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="GetImageUnitFiles"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="GetImageState"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="AttachImage"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="DetachImage"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="RemoveImage"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="MarkImageReadOnly"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="SetImageLimit"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Manager"
                       send_member="SetPoolLimit"/>
                <!-- Image object -->
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="GetOSRelease"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="GetUnitFiles"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="GetImageState"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="Attach"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="Detach"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="Remove"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="MarkReadOnly"/>
                <allow send_destination="org.freedesktop.portable1"
                       send_interface="org.freedesktop.portable1.Image"
                       send_member="SetLimit"/>
                <allow receive_sender="org.freedesktop.portable1"/>
        </policy>
</busconfig>