getting remot4e address

[Igor Sysoev]

On Tue, Feb 26, 2008 at 01:11:40PM -0800, rkmr.em at gmail.com wrote:

> On Tue, Feb 26, 2008 at 1:00 PM, Igor Sysoev <is at rambler-co.ru> wrote:
> > On Tue, Feb 26, 2008 at 12:52:56PM -0800, rkmr.em at gmail.com wrote:
> >  > On Tue, Feb 26, 2008 at 12:08 PM, Igor Sysoev <is at rambler-co.ru> wrote:
> >  > > On Tue, Feb 26, 2008 at 11:58:16AM -0800, rkmr.em at gmail.com wrote:
> >  > >
> >  > >  > x-forwarded-for enabled in the haproxy configuration.
> >  > >  > How do I configure nginx so that my fastcgi backends get this IP
> >  > >  > address as the remote ip address and not the ip address of the
> >  > >      location / {
> >  > >           set  $addr  $remote_addr;
> >  > >
> >  > >           if ($http_x_forwarded_for ~ "(^|,)\s*(\d+\.\d+\.\d+\.\d+)\s$") {
> >  > >                set  $addr  $1;
> >  > >           }
> >  > >
> >  > >           ...
> >  > >           fastcgi_param  REMOTE_ADDR   $addr;
> >  >
> >  > hi igor,
> >  > thanks for your reply.
> >  > i tried what you gave, and i still get only the ip address of the
> >  > haproxy in my backends,
> >  My mistake:
> >
> >  -          if ($http_x_forwarded_for ~ "(^|,)\s*(\d+\.\d+\.\d+\.\d+)\s$") {
> >  +          if ($http_x_forwarded_for ~ "(^|,)\s*(\d+\.\d+\.\d+\.\d+)\s*$") {
> 
> igor:
> now for ip in the fastcgi backend i get an empty string
> 'ip': ''
> 
> current config:
>          set  $addr  $remote_addr;
>          if ($http_x_forwarded_for ~ "(^|,)\s*(\d+\.\d+\.\d+\.\d+)\s*$") {

-          if ($http_x_forwarded_for ~ "(^|,)\s*(\d+\.\d+\.\d+\.\d+)\s*$") {
+          if ($http_x_forwarded_for ~ "(?:^|,)\s*(\d+\.\d+\.\d+\.\d+)\s*$") {

>               set  $addr  $1;
>          }
> 

-- 
Igor Sysoev
http://sysoev.ru/en/