raspiblitz/home.admin/assets/nginx/snippets/ssl-proxy-params.conf

# ssl-proxy-params.conf

proxy_redirect off;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto https;

# remove if not needed
# proxy_set_header X-Forwarded-Host $server_name;