Defining a default server for when vhost does not exist for requested hostname (including blank hostname), for http and https

[Maxim Dounin]

Hello!

On Fri, Mar 28, 2014 at 02:53:18PM +0000, Jonathan Matthews wrote:

> On 28 March 2014 14:31, Ben Johnson <ben at indietorrent.org> wrote:
> > Is there any way to av,oid this certificate being presented, but still
> > return the 444 response under the conditions I've described?
> 
> I'd /suspect/ not, as the 444 response can't be "delivered" (i.e. the
> connection closed) until sufficient information has been passed over
> the already-SSL-secured connection. In other words, the cert *has* to
> be used to secure the channel over which the HTTP request will be
> made, and only after its been made can the correct server{} block be
> chosen and the response delivered - even if the response is simply to
> close the connection.

If SNI is used, it's in theory possible to close a connection 
early (during an SSL handshake, after ClientHello but 
before sending enything).  The following tickets in trac are 
related:

http://trac.nginx.org/nginx/ticket/195
http://trac.nginx.org/nginx/ticket/214

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