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Re: nginx returns 503 when it gets 403 from haproxy

CJ Ess
April 18, 2016 01:56PM
Ok, I figured it out. Seems that several years ago someone at my day job
did a custom errorfile in haproxy which returns a 503 error whenever
haproxy intends to return a 403 error. It was forgotten and went unnoticed
until now. Now we have to figure out if its a cut and paste error or if
there was a legit reason for doing this. Either way its not an nginx (or
haproxy) issue.

On Fri, Apr 15, 2016 at 4:49 PM, Валентин Бартенев <vbart@nginx.com> wrote:

> On Thursday 14 April 2016 22:45:36 CJ Ess wrote:
> > In my environment I have Nginx terminating connections, then sending them
> > to an HAProxy upstream. We've noticed that whenever HAProxy emts a 403
> > error (Forbidden, in response to our ACL rules), NGINX reports a 503
> result
> > (service unavailable) and I believe is logging an "upstream prematurely
> > closed connection while reading response header from upstream" error
> > message in the nginx error log.
> >
> > What I'd really like to do is pass the 403 code back to the user - what
> do
> > I need to do?
>
> That message suggests that haproxy closes connection before properly
> returning
> headers. So nginx can't pass 403 since it can't get it right from haproxy.
>
> You should check what is wrong with haproxy.
>
> wbr, Valentin V. Bartenev
>
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Subject Author Posted

nginx returns 503 when it gets 403 from haproxy

CJ Ess April 14, 2016 10:46PM

Re: nginx returns 503 when it gets 403 from haproxy

Francis Daly April 15, 2016 03:34AM

Re: nginx returns 503 when it gets 403 from haproxy

Валентин Бартенев April 15, 2016 04:50PM

Re: nginx returns 503 when it gets 403 from haproxy

CJ Ess April 16, 2016 03:26PM

Re: nginx returns 503 when it gets 403 from haproxy

CJ Ess April 18, 2016 01:56PM



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