src/agent/otbr-agent.conf.in

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
    <policy user="@OTBR_AGENT_USER@">
        <allow own_prefix="otbr.agent"/>
        <allow own_prefix="io.openthread.BorderRouter"/>
        <allow send_interface="io.openthread.BorderRouter"/>
        <allow send_interface="io.openthread.BorderRouter"/>
        <allow send_interface="org.freedesktop.DBus.Properties"/>
    </policy>
</busconfig>