Web Server Directory Authentication

Dear All:

I have configured my RHEL 5.3 Linux server integrated with MS AD. Every work fine and the user will managed to authenticate with their own window ID.

But how can i set the apache to be authenticate the user if available, if fail to authenticate then redirect to normal site without prompt user to enter ID and password.

Code:

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<VirtualHost 10.8.2.239>
      <Directory "/var/www/html/intranet">
        AuthType Kerberos
        KrbAuthRealms domain.com
        KrbServiceName HTTP/abc.domain.com
        Krb5Keytab /etc/httpd/conf/apache.keytab
        KrbMethodNegotiate on
        KrbMethodK5Passwd On
        KrbAuthoritative Off
        Order Allow,Deny
        Require valid-user
        Allow from all
#      Allow from localhost
#      Require valid-user
        Satisfy any
      </Directory>

      DocumentRoot /var/www/html/intranet
      ServerAdmin webmaster@abc.domain.com
      ServerName abc.domain.com

      DirectoryIndex index.html index.php index.htm index.shtml

      TransferLog /var/log/httpd/intranet_access_log
      ErrorLog /var/log/httpd/intranet_error_log
</VirtualHost>

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The web server will only authenticate if i remove "Satisfy any" but for non-domain user will not able to access. Even if put "Require valid-user" then "Satisfy any", the server will not authenticate too.

Thank you.

chusoon