Then you might be interested in http://www.mail-archive.com/supervision@list.skarnet.org/msg01127.html http://www.mail-archive.com/supervision@list.skarnet.org/

Then you might be interested in http://www.mail-archive.com/supervision@list.skarnet.org/msg01127.html http://www.mail-archive.com/supervision@list.skarnet.org/msg... and surrounding discussion.