forward proxy config is causing "upstream server temporarily disabled while connecting to upstream" error

[Señor J Onion]

Hi Maxim,



> 
> You are trying to connect to an upstream server with an IPv6 
> address, yet your system has no IPv6 addresses configured, so 
> the connection attempt fails.  This is not fatal, as nginx is able 
> to switch to using other addresses of the same server, but 
> probably a configuration error.
> 
> Most likely you want nginx to ignore IPv6 addresses.  To do this, 
> consider using "resolver ... ipv6=off;".  This should prevent 
> nginx from trying to connect to IPv6 addresses, and so 
> corresponding errors will disappear from the error log.
> 

That did it - switching off ipv6! 

Thank you!

Jörg