Thank you, it sounds like this approach may yet work.

> It is up to your FastCGI application to handle this though,
> and PHP as well as PHP-FPM may impose additional limitations
> and/or require additional configuration for this to work.

I will dig into the php configuration details and see if i can progress this, it is reassuring to hear that the fastcgi_request_buffering directive is intended to facilitate this.

Thanks for the quick response.