proxy_set_header concatenated value

Francis Daly francis at
Tue Aug 11 07:42:50 UTC 2015

On Mon, Aug 10, 2015 at 11:24:00PM -0700, Igal @ wrote:

Hi there,

> I want to pass the following header to the backend server:   
>     name: X-Original-URL
>     value: $scheme://$host$request_uri
> but the concatenation of the values for the value above do not seem to work.

Why do you think it does not work?

> how can I do that?

  proxy_set_header X-Original-URL $scheme://$host$request_uri;

works for me.

Francis Daly        francis at

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