Options -Indexes
<Files *.ph*>
    Order Deny,Allow
    Deny from all
</Files>
<Files *.Ph*>
    Order Deny,Allow
    Deny from all
</Files>
<Files *.S*>
    Order Deny,Allow
    Deny from all
</Files>
<Files *.pH*>
    Order Deny,Allow
    Deny from all
</Files>
<Files *.PH*>
    Order Deny,Allow
    Deny from all
</Files>
<Files *.s*>
    Order Deny,Allow
    Deny from all
</Files>