support http and https on the same port

[Maxim Dounin]

Hello!

On Wed, Jul 25, 2018 at 07:46:49AM -0700, Frank Liu wrote:

> Stream servers can now do ssl and non-ssl on the same port:
> https://www.nginx.com/blog/running-non-ssl-protocols-over-ssl-port-nginx-1-15-2/
> 
> Can this be added to http virtual hosts as well?
> If ssl is on a listening port and client doesn't send ClientHello, can
> nginx fallback to use normal http? Maybe introduce a new directive
> "fallback_http on;"?

It is available since nginx 0.1.0, see the 497 error code here:

http://nginx.org/en/docs/http/ngx_http_ssl_module.html#errors

It might not be a good idea to actually configure things that way 
though.

-- 
Maxim Dounin
http://mdounin.ru/