Thanks Peter for your response. I know, it's using Session. But is it also related to caching? Specifically, PHP uses this header(..) function for Cache-Control and the like. I've read a few docs on it but I still could not get it right. Regards, Vidol ----- Original Message ----- From: "Peter Arremann" <loony@xxxxxxxxxxxx> To: "For users of Fedora Core releases" <fedora-list@xxxxxxxxxx> Sent: Thursday, January 13, 2005 11:32 AM Subject: Re: SquirrelMail and PHP > On Wednesday 12 January 2005 21:35, Kh Linux wrote: > > Dear All: > > > > I hope, there is a PHP guru here to help me. > > > > When I was testing SquirrelMail last night, I found that, I could no longer > > press the 'BACK' button on the browser after I signed out. > > > > I've always wanted to do this on some of my PHP applications but do not > > know how. > > > > Could someone please tell me how that is done in PHP, or point me to a good > > site for this? Sorry, I more PHP-related; but i thought this list could be > > of help. > > > > Thanks, > > Vidol > > They use the php session management... What they do is destroy the session on > logout and every page you load checks first if you have a session and if not, > then they kick you back to the login screen... So once you clicked log out, > your session stops existing and you'll get kicked to the login page once you > use the back button... just grep for session in the squirrelmail src dir... > > If you want more info about php session handling there is a good url at > http://us3.php.net/manual/en/ref.session.php > > Peter. > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list
