.htaccess允许在iframe中为域拒绝

i try code in .htaccess deny allow not work in iframe server apache 2.4

<Files "iframe.php">
    Order Deny,Allow
    Deny from all
    Allow from xxxx.com
    Allow from 127.0.0.1
    Allow from xxx.yyy.zzz.aaa
    </Files>

or

    <Files "lihat.php">
    require all denied
    require host nontonindramaonline.com
    require ip 168.235.82.232
    </Files>

show in iframe xxxx.com/iframe.html

Forbidden
You don't have permission to access /iframe.php on this server.

please help me and???