UnknownSec Bypass 403

: /var/www/zenithentcare/stmedicosoftware/ [ drwxrwxr-x ]
name : get_servicedetails.php <?php require_once "config.php"; $testname=$_POST['testname']; $query =mysqli_query($conn,"SELECT * FROM testdetailsmaster where subtestname='". $testname."' and identifier='".$gtestidentifier."' and isdeleted='".$gnotdeleted."'"); while($row=mysqli_fetch_array($query)) { $result[] = array( 'tcategory' => $row['testname'], 'trate' => $row['amount'], ); } echo json_encode($result); ?>