On Jan 23, 2017, at 8:00 AM, Haviaras Kostas <koshalirod@gmail.com> wrote:

Thanks for your response Matthew Newton, but I found this on the freeradius list ( http://lists.freeradius.org/pipermail/freeradius-users/2013-February/065116....) and I would like to implement what the Alan DeKok.

The "radacct" table contains all online users. Just SELECT users where "acctstoptime = NULL" Alan DeKok.