server { listen 80 default_server; listen [::]:80 default_server; server_name _; server_tokens off; location / { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $http_host; proxy_pass http://varnish:80; proxy_redirect off; } }