problem solved
wp-admin .htaccess
ErrorDocument 401 default
AuthType Basic
AuthName "Restricted Area"
AuthUserFile /home/admin/domains/*****.info/public_html/wp-admin/.htpasswd
require valid-user
main .htaccess in domain root
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress