I have some problem authentication with PHP, how can I force a user to logout (pressing logout button) and clear credential info without displaying logon screen again. Right now when user click logout button then Logon screen appears again. Code (logout.php) : <? Header( "WWW-authenticate: Basic realm=\"RBTC\""); Header( "HTTP/1.0 401 Unauthorized"); ?> Can anyone help me. Thanks in advance. Halim -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]