This hour explained how to use Apache features to restrict access to your Web site based on the identity of the remote user and information from the HTTP request or network connection. It also covered some authentication modules included with Apache and additional tools that you can use to create and manage your user and group databases.

Additionally, you were introduced to using cookies and learned to use the setcookie() function to set cookies on the user's browser. You then learned to use cookie values to allow access to specific parts of your PHP application.

    Part III: Getting Involved with the Code