Hello!

On Sun, Feb 09, 2014 at 07:13:55PM -0500, tbamise wrote:

> >
> > Connections to upstream servers don't use any client certificates.
> >
>
> Yes I agree. The connection to the upstream server uses the nginx server
> certificates specified by $ssl_certificate(_key).

It looks like you didn't understand my answer. Again: connections
to upstream servers don't use any client certificates. That is,
no certificates are used by nginx when connecting to upstream
servers.

> Basically I want to use:
> for downstream to client - a.cert & a.cert.key for connection to clients
> for upstream to upstream servers - b.cert & b.cert.key for connection to
> upstream servers.
>
> The https & server modules of Nginx only allow you to specify a single cert
> pair via $ssl_certificate(_key)

The only thing you can specify is ssl_client_certificate (and
ssl_client_certificate_key), and it is used only in connections
with clients.

SSL support in proxy module is rather rudientary and it doesn't
support using client certificates.

--
Maxim Dounin
http://nginx.org/

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