Thanks. I try with htaccess file look like below
SetEnvIfNoCase User-Agent .*iPhone.* iDevides
SetEnvIfNoCase User-Agent .*iPad.* iDevides
<Limit GET POST>
deny from all
Allow from env=iDevides
</Limit>
RewriteRule (.*) - [env=iDevides:1]
I think I was wrong in sth 'cause it didn't works