This is a PHP, Sessions and MySQL based system to protect Your site from unwanted visitors. It uses Javascript and MD5 to encrypt the password send from the browser. A password manager is included. The system is special because of the access method uses hash to send the password encrypted to the server. The server sends only a cookie containing a Session-ID back to the client. All other information is stored in a session-file on the server. So, no authentication information but the session id is send over Internet. Version 1.2 has an easier way to protect the files You want to protect with a password.