[PATCH]add proxy_protocol_port variable for rfc6302

[Maxim Dounin]

Hello!

On Tue, Apr 05, 2016 at 02:12:21AM +0900, junpei yoshino wrote:

> which is better way ?
> 1.
> "real_ip_from Forwarded" replace remote_addr and remote_port.
> And proxy_protocol also replace remote_addr and remote_port, too.

While support for Forwarded is a good thing to have, it looks like 
a separate and big work, so I wouldn't recommend trying to do this 
now.

> 2.
> "real_port_from Forwarded" replace port only.
> ip and port is independent.
> Also proxy protocol must configure real_ip_from and real_port_from.

This approach looks wrong.  If we know client port it should be 
used.  But see above about Forwarded.

> 3.
> At first, not care Forwarded header.
> delete code related x-forwarded-port.
> support only custom http header including port number.

This option looks most appropriate for now.

(Assuming this also includes "proxy_protocol also replace 
remote_addr and remote_port" as in 1.)

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