This file is used when Forms Authentication is choosen during installation.The setting
<authentication mode="None">
<forms loginUrl="/Account/Login" timeout="2880" />
</authentication>
The setting timeout is used to set how many seconds it takes before the user is logged out of the system. In this case it's set to 2880 seconds.<authentication mode="None">
<forms loginUrl="/Account/Login" timeout="2880" />
</authentication>