proxy pass

[Igor Sysoev]

On Fri, Nov 30, 2007 at 09:54:20AM +0300, Igor Sysoev wrote:

> On Thu, Nov 29, 2007 at 11:39:48AM -0800, Cliff Wells wrote:
> 
> > > Second, after proxy_pass has parsed string it tries to resolve a host in
> > > following order:
> > > 
> > > 1) search all described upstreams,
> > > 2) try external resolver (named/bind/etc); you should define it
> > >    in http, server, or location section:
> > > 
> > >        resolver 127.0.0.1;
> > > 
> > >    however, if the host is an ip address, then nginx does not send DNS
> > >    query to the resolver, but use the ip address.
> > 
> > Indeed this fixed it.  However, what's not clear to me is why Nginx
> > tries to resolve 127.0.0.6 since it is an IP address.
> 
> This is commom code path. Upstream code asks resolver code to resolve host.
> Upstream code does not know that it is IP. Anyway, if you use IPs only, you
> may set
> 
>      resolver 127.0.0.1;
> 
> and do not run local DNS server on the computer.

I will implement resolver stub that allows to use IPs witout resolver
declaration.


-- 
Igor Sysoev
http://sysoev.ru/en/