Does Hide My WP Ghost work in shared hosting plans?
Hide My WP Ghost is compatible with most Apache server types.
For NGINX Servers, access to the nginx config file is needed to include the rewrite rules file from Hide My WP Ghost. So, in order to use Hide My WP Ghost, you need to have access to NGINX config file and access to restart the service.
Or, you need to be able to contact the host to add the path_to_file/hidemywp.conf file in NGINX and restart the service for you.