Chapter 16 SSL VPN for FortiOS 5.0 : Basic Configuration : Additional configuration options : Setting the idle timeout setting
  
Setting the idle timeout setting
The idle timeout setting controls how long the connection can remain idle before the system forces the remote user to log in again. For security, keep the default value of 300 seconds (5 minutes) or less.
To set the idle timeout - web-based manager
1. Go to VPN > SSL > Config.
2. In the Idle Timeout field, enter the timeout value.
The valid range is from 10 to 28800 seconds.
3. Select Apply.
To set the idle timeout - CLI
config vpn ssl settings
set idle-timeout <seconds_int>
end
See Also
Routing in tunnel mode
Changing the port number for web portal connections
SSL offloading
Customizing the web portal login page
Host check
Windows OS check
Configuring cache cleaning
Configuring virtual desktop
Configuring client OS Check
Adding WINS and DNS services for clients
SSL VPN logs
Monitoring active SSL VPN sessions