Inserting a Request header before proxying

Igor Sysoev is at
Mon Oct 13 13:17:42 MSD 2008

On Mon, Oct 13, 2008 at 02:43:04PM +0530, Arvind Jayaprakash wrote:

> How do I set dynamic values?
> X-Foobar: <some_code_that_looks_at_request_and_generates_a_value>

You module should define a variable. See map and geo modules as examples.
Then you can use

   proxy_set_header  X-Foobar  $your_variable;

> Almir Karic wrote:
> >
> >
> >On Sun, Oct 12, 2008 at 11:36:21PM -0700, work at wrote:
> >>I'd like to insert a custom HTTP header (eg: X-foobar) into a request
> >>before doing a proxy_pass.
> >>
> >>Is there any way to do this without changing the proxy module itself? I
> >>read that there can be only one handler per request. Though my module
> >>retruns NGX_DECLINED after doing its job, it doesn't seem to get executed
> >>first and proxy_pass seems to get invoked first.

Igor Sysoev

More information about the nginx mailing list