You need change config site_home in wp_options table to get effectby dust2 - Migration from Other Servers
You should block access in php file. For example: You define using defined ( 'ACCESS'... in any file you want direct access and put the line below to every php files: defined ( 'ACCESS' ) or die ( 'Restricted Access' );by dust2 - Nginx Mailing List - English
Really I don't understand your questionby dust2 - How to...
You can using tool convert htaccess to nginx config at URL: winginx.com/en/htaccessby dust2 - How to...