Does "set_real_ip_from" support IPv4 only?

[Maxim Dounin]

Hello!

On Thu, Oct 06, 2011 at 11:52:46AM -0400, Usu wrote:

> Hi,
> 
> I'm confused, I get this error by entering an IPv6 address in the
> set_real_ip_from directive:
> 
> nginx: [emerg] "set_real_ip_from" supports IPv4 only in
> /usr/local/nginx/conf/nginx.conf:65
> 
> But according to the changelog, that directive should support IPv6 since
> nginx 0.8.22:
> 
> Changes with nginx 0.8.22                                        03 Nov
> 2009
> [...]
>     *) Feature: the "set_real_ip_from" directive supports IPv6 addresses
> in
>        request headers.
> [...]
> 
> My nginx version: 1.0.8
> 
> Is the changelog referring to something else or is this a bug?

It supports ipv6 in *request headers* (that is, it will accept 
ipv6 in X-Real-IP/X-Forwarded-For headers), while you are trying to use 
ipv6 in set_real_ip_from directive.  This is not (yet) supported.

Maxim Dounin