Close the Session of a User after a Defined Time Frame

Below are the Powershell commands that enables you to close the session of a login user after a defined time frame, if the user is idle or not doing any activity on the SharePoint Site.

$sts = Get-SPSecurityTokenServiceConfig
$sts.UseSessionCookies = $true
$sts.FormsTokenLifetime = (New-Timespan –Minutes 5)
$sts.LogonTokenCacheExpirationWindow = (New-Timespan –Minutes 5)
$sts.Update()
iisreset