Today on IRC I got a question on: Fobax can you x-send-file from fast-cgi to a proxy request? Or asked in another way ? Can you use a mod_proxy_core backend to rewrite a URL or a Host header ? After 30 minutes of coding ... Yes, you can ... Some tweaking and here and there and we had: proxy-core.allow-x-rewrite = "enable" which allows you to send: HTTP/1.0 200 OK X-Rewrite-URI: /pi.php X-Rewrite-H