http auth on *_dev.php file for lighttpd

gistfile1.txt

$HTTP["url"] =~ "^/(front|back)end_dev"
{
  auth.backend = "htpasswd"
  auth.backend.htpasswd.userfile = "/path/to/.passwdstats"
  auth.require = 
  ( "" =>
    (
      "method"  => "basic",
      "realm"   => "auth required",
      "require" => "valid-user"
    )
  )
}