Set the session timeout

I searched the manual and the forums but I can't find out how to set the timeout period for a user session in ISPconfig and also webmail.

Thanks in advance for the answer.

 

It's set in /home/admispconfig/ispconfig/lib/go_info.inc.php on line 115:

Code:

$go_info["session"]["timeout"]       = 1800; // 1800 Sec = 30 Minuten