[wp-hackers] Re: IP address verification for trackbacks

Kimmo Suominen kimmo at global-wire.fi
Fri Aug 15 00:22:30 GMT 2008

On Thu, Aug 14, 2008 at 08:55:23AM -0500, Otto wrote:
> On Thu, Aug 14, 2008 at 2:39 AM, Kimmo Suominen <kimmo at global-wire.fi> wrote:
> > I don't think WordPress does anything to select the IP address it
> > uses to send trackbacks.  In other words, I think it will use the
> > primary IP address configured on the host.
> >
> > I run all websites on secondary IP addresses, so I guess I cannot
> > send trackbacks to users of this plugin.
> >
> > My own website couldn't even run on the primary IP address of the
> > host, as I'm using HTTPS as well.
> Why can't you use one IP?
> Virtual Hosts. Use 'em, love 'em.

The web server has to choose the correct certificate for SSL before
it gets any information from the client (e.g. browser).  Thus you
cannot use a name-based (i.e. shared IP) virtual host with HTTPS.

Best regards,
+ Kimmo
<A HREF="http://kimmo.suominen.com/">Kimmo Suominen</A>

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