<FilesMatch "\.(po|php|lock|sql)$">
	# Apache 2.2
	<IfModule !mod_authz_core.c>
		Order Allow,Deny
		Deny from all
	</IfModule>
	# Apache 2.4
	<IfModule mod_authz_core.c>
		Require all denied
	</IfModule> 
</FilesMatch>