Take a look at this article: http://nginx.org/en/docs/http/server_names.html#miscellaneous_names
Adding a new server block with your IP address in the server_name field should catch those...:
server { listen 80; listen 4567; server_name 123.456.789.101; return 301 http://lukesawesomeforum.com; }I apologise in advance for my most likely not working nginx code 😆