I have installed nginx and made follow host:

server {
  listen          80;       # Listen on port 80 for IPv4 requests

  server_name     jenkins.mydomain.ru;
  root            /var/lib/jenkins;

  access_log      /var/log/nginx/jenkins_access.log;
  error_log       /var/log/nginx/jenkins_error.log;

  location / {
      auth_basic            "Restricted";
      auth_basic_user_file  /etc/nginx/passwd/htpasswd;

      proxy_pass         http://127.0.0.1:8080/;
      proxy_redirect     off;

      proxy_set_header   Host             $host;
      proxy_set_header   X-Real-IP        $remote_addr;
      proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
      proxy_max_temp_file_size 0;

      client_max_body_size       10m;
      client_body_buffer_size    128k;

      proxy_connect_timeout      90;
      proxy_send_timeout         90;
      proxy_read_timeout         90;

      proxy_buffer_size          4k;
      proxy_buffers              4 32k;
      proxy_busy_buffers_size    64k;
      proxy_temp_file_write_size 64k;

      # Optional configuration to detect and redirect iPhones
      if ($http_user_agent ~* '(iPhone|iPod)') {
          rewrite ^/$ /view/iphone/ redirect;
      }
  }
}

After that I can access to Jenkinks in jenkins.mydomain.ru and it's require password.
But I still can access to Jenkinks in http://mydomain.ru:8080/ without any password.
How can I disallow access to Jenkinks in http://mydomain.ru:8080/?