message: support all 4 variants
diff: @@ -41,6 +41,8 @@ fastcgi_param HTTP_PROXY "";
  # Mitigate CVE-2018-14773: https://symfony.com/blog/cve-2018-14773-remove-support-for-legacy-and-risky-http-headers
  fastcgi_param HTTP_X-ORIGINAL-URL "";
  +fastcgi_param HTTP_X_ORIGINAL_URL "";
  +fastcgi_param HTTP_X-REWRITE-URL "";
  fastcgi_param HTTP_X_REWRITE_URL "";
  fastcgi_keep_conn on;
  