arpsentinel.conf

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>

  <!-- ../system.conf have denied everything, so we just punch some holes -->

  <policy user="root">
    <allow own="org.arpsentinel"/>
    <allow send_destination="org.arpsentinel"/>

    <!-- allow root to send to agents -->
    <allow send_interface="org.arpsentinel"/>

  </policy>
  <policy user="arpalert">
    <allow own="org.arpsentinel"/>
    <allow send_destination="org.arpsentinel"/>

    <!-- allow root to send to agents -->
    <allow send_interface="org.arpsentinel.Message"/>

  </policy>

  <!-- allow users at the console, see consolekit or libpam-foreground -->
  <policy at_console="true">
    <allow send_destination="org.arpsentinel"/>
  </policy>

  <policy group="arpalert">
    <allow send_destination="org.arpsentinel"/>
  </policy>

  <policy context="default">
    <allow own="org.arpalert"/>
    <allow send_destination="org.arpalert"/>
  </policy>
</busconfig>