hi all im using Freeradius-1.1.6, with mysql database.i'm still confusing about simultaneous-use. i want to limiting the maximum number of simultaneous logons ( just 1 session can login for every 1 user in a same time) this is my radiusd.conf session { sql } and this is my database : mysql> select * from radcheck where username='dara@idola'; +----+-----------------+---------------------------+----+--------------+ | id | UserName | Attribute | op | Value | +----+-----------------+----------------------------+----+-------------+ | 55 | dara@idola | Password | == | denpasar | | 65 | dara@idola | Simultaneous-Use | := | 1 | +----+-----------------+---------------------------+----+--------------+ 2 rows in set (0.00 sec) mysql> select username,acctstoptime from radacct where username='dara@idola' and acctstoptime=0; +----------------+-------------------------------+ | username | acctstoptime | +----------------+--------------------------------+ | dara@idola | 0000-00-00 00:00:00 | +-----------------+-------------------------------+ 1 row in set (0.00 sec) with that config and data rows, user dara@idola can login for second session :( any help expected thanks trio