Forms Authentication timeout in ASP.NET

Asp.Net the forms authentication timeout value by default is 30 Minutes, this means after 30 minutes of inactivity the application will redirect user to the login page again

You can change the timeout value by modifying the web.config

for example:

<authentication mode=”Forms”>
<forms name=”.ASPXFORMSDEMO” loginUrl=”./logon.aspx” protection=”All” path=”/” timeout=”2400″ />
</authentication>