UnknownSec Bypass 403

: /var/www/html/copy_files/ [ drwxrwxr-x ]
name : paypal.php <?php return [ 'sandbox' => env('PPAL_ENV', true), 'username' => env('PPAL_USER', 'financeiro-facilitator_api1.estudiosite.com.br'), 'password' => env('PPAL_PWD', '1392321842'), 'signature' => env('PPAL_SIGNATURE', 'AeX01Vdez4AYxmjTgCuuZEHyu436AFaHxOOV86uwxg8AX-HXGSxQAZZ5') ];