[CentOS] How to list openvpn clients?

Tue Oct 8 15:09:52 UTC 2013
Timothy Murphy <gayleard at eircom.net>

I'm running an openvpn server on a CentOS machine -
that is my excuse for posting my query here -
and I'm wondering if there is some way of finding
all the clients (not just those connected at this moment)
who have been registered as clients of the openvpn server?

Timothy Murphy  
e-mail: gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin 2, Ireland