Hello!

On Sun, Apr 17, 2011 at 03:24:57AM -0400, speedfirst wrote:

> I have this requirement. I want to use nginx as the reverse proxy, which
> listen on address A and forward the request to the backend server with
> address B. However, if B is down, I want the request to be sent to
> address C. The question is, address B is https and address C is http.
> But for the argument of proxy_pass module, I can only write one prefix
> (either "http" or "https").
>
> upstream backend {
> server <addr B ip>:<addr B port>;
> server <addr C ip>:<addr C port> backup;
> }
>
> location / {
> proxy_pass http://backend; #here, only one prefix is allowed
> }
>
> So how to config to meet my requirements? Or here I shouldn't use
> upstream but other approach?

location / {
proxy_pass https://B;
error_page 502 504 = @fallback;
}

location @fallback {
proxy_pass http://C;
}

Maxim Dounin

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