Hi Alan,
That's good.
To be sure, I analyzed the mysql radacct table and noticed that there are records for the user who is logged in.
That's good. And if that logged in user tries to log in again, what happens?
The user can normally log into the system. The debug log shows that authentication is sent to the central proxy server and after some Access-Request and Access-Challenge message, the system returns an Access-Accept. There is nothing about the user has an active session. Watching the mysql accounting tables, it is possible to see the initiated simultaneous sessions: mysql> select radacctid,username,acctstarttime,acctstoptime,callingstationid from radacct where acctstoptime is null; +-----------+----------+---------------------+--------------+-------------------+ | radacctid | username | acctstarttime | acctstoptime | callingstationid | +-----------+----------+---------------------+--------------+-------------------+ | 52 | myuser | 2015-05-19 10:28:50 | NULL | 34-BB-26-C2-1D-60 | | 53 | myuser | 2015-05-19 10:37:17 | NULL | 68-94-23-92-31-83 | +-----------+----------+---------------------+--------------+-------------------+
I watched the rest of the debug file and did not notice anything unusual. The only thing that caught my attention is the message below appears a few times in debug. " WARNING: Empty pre-proxy section. Using default return values." This will be the cause of my problem?
No.
I made a debug log file of the second user session, but can not find any clue of the problem! :( Thanks for your help! Renato L. Sousa