DbFace use PHP CUBRID driver to connect CUBRID database. You need to enable php_cubrid extension. Open php.ini, and find

extension=php_cubrid.dll

Click the Settings -> Connections and go to "Connections" section, click "Add New Connection" button, enter your CUBRID database information:

Connect to CUBRID in DbFace

Your firebird database are powered by DbFace now.

Build reports and dashboards for CUBRID in DbFace