我如何保护对我的网站根目录的特定php文件的访问

我想限制使用nginx访问（而且仅限于） http://mysite.com/protected.php 。 我可以尝试什么？ 目前，我设法做到了，但php文件不再由php-fpm解释。

location ~ \.php($|/) { location ~ ^/ws(_dev)?\.php { auth_basic "User synchronisation webservice > please login"; auth_basic_user_file /home/symfony/instances/somesite/ws_access; } set $script $uri; set $path_info ""; if ($uri ~ "^(.+\.php)(/.*)") { set $script $1; set $path_info $2; } add_header X-Response-Host somesite.com; fastcgi_pass 127.0.0.1:8300; include /etc/nginx/fastcgi_params; fastcgi_param SCRIPT_FILENAME /home/symfony/instances/somesite/service/web$script; fastcgi_param PATH_INFO $path_info; fastcgi_param SCRIPT_NAME $script; fastcgi_param SERVER_PORT "80"; }