On Tue, May 29, 2012 at 9:15 AM, Evert <nginx-forum@nginx.us> wrote:

>
> Before:
> 109.247.15.146
>
> Now:
> ::ffff:109.247.15.146
>
> Is this... a bug? a feature? Expected behaviour?
>
>
See "dotted-quad notation":
http://en.wikipedia.org/wiki/IPv6_address#Presentation
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