PPTPD xác thực qua mysql

Cần cấu hình PPTPD trên máy chủ centos xác thực qua mysql cho sẵn. hoặc qua PAM mysql Please read and understand first before you bid this project. I have VPS with OpenVPN installed and it's running good. The OpenVPN access is authenticate using MySQL. All the details of the users are saved inside the database (username, password, duration, etc). So right here I would like to install the PPTP alongside the OpenVPN. However, the authentication of that PPTP is only based on username & password. I cant limit the user account using the duration. I try to have PPTP working like OpenVPN. The sequence should be like this: 1. User try connect to the server through PPTP 2. The server will look into the MySQL database for the account with the correct username, correct password and duration > 0 3. If all the details are true, the PPTP will connect, otherwise it will reject the connection. I've heard that we can use Radius to authenticate PPTP using MySQL, but again, same reason, it will only ask for username & password, not the duration. Basically I would need someone to make the above request fulfilled and teach me on how to do it. I will pay you completely when it is completely working and I fully understand how to do it for later times Skype: [login to view URL]