Maxim Dounin Wrote:
-------------------------------------------------------
> Nice catch. It's not a bug in nginx though, as HTTP only allows
> fixed-width subset of RFC1123, see here:
>
> http://tools.ietf.org/html/rfc2616#section-3.3.1
>

Thanks Maxim! Easy fix. Bug and patch submitted to Mono to fix the date format used in the headers: https://bugzilla.xamarin.com/show_bug.cgi?id=10872

Gotta love open source software :)