How to Kill session at application context level by using session Id

Dear All,

I am using Struts framework to implement my application. In my administration module i want know who are all the users are logged in to the application with thier session ids. If any unauthorised user logged in to the application with sesion Id. I want to kill that particular session id in servlets or in jsp page.

Can you please help me in this regard.

Thanks in Advance

Regards,
KishoreKumar

I hope you are creating the session when the user logged in... So, here the user is already authenticated... right...
If not please let us know, what you are looking to have?