I wrote this code based on the feedback that was given to similar questions on stackoverflow .
@Mihir: Those headers needs to be set on responses for which you'd like to turn off the browser cache.
I already tried with window.onunload() but it is not working in my case.
Because it is generated even I click on back button or any other activity. If not, then Is there any ground work which is work in chrome, Mozilla and IE as well?
I write all the above headers and then invalidate the session.
after performing logout operation the page is forwarded to login page,then i press back button of the browser and it shows the dashboard or last page from where i perform the logout help or should post another question for it ?
PAM (the Pluggable Authentication Module) is a unified authentication scheme introduced by Sun in Solaris (released as an undocumented feature in Solaris 2.3 ) and later re-implemented in other commercial Unixes and most open source OSes (BSD variants, Linux, etc).