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Connection refused

Posted by Ricky Gutierrez 
Ricky Gutierrez
Connection refused
May 15, 2018 04:10AM
hello list, I have a reverse proxy with nginx front end and I have the
backend with nginx some applications in php7 with mariadb, reviewing
the log I see a lot of errors like this:

2018/05/09 17:44:58 [error] 14633#14633: *1761 connect() failed (111:
Connection refused) while connecting to upstream, client:
186.77.203.203, server: web.mydomain.com, request: "GET
/imagenes/slide7.jpg HTTP/2.0", upstream:
"http://192.168.11.7:80/imagenes/slide7.jpg";, host:
"www.mydomain.com", referrer: "https://www.mydomain.com/";

2018/05/09 17:45:09 [error] 14633#14633: *1761 connect() failed (111:
Connection refused) while connecting to upstream, client:
186.77.203.203, server: web.mydomain.com, request: "GET
/imagenes/slide8.jpg HTTP/2.0", upstream:
"http://192.168.11.7:80/imagenes/slide8.jpg";, host:
"www.mydomain.com", referrer: "https://www.mydomain.com/";

2018/05/09 17:45:12 [error] 14633#14633: *1761 upstream prematurely
closed connection while reading response header from upstream, client:
186.77.203.203, server: web.mydomain.com, request: "GET
/imagenes/slide6.jpg HTTP/2.0", upstream:
"http://192.168.11.7:80/imagenes/slide6.jpg";, host:
"www.mydomain.com", referrer: "https://www.mydomain.com/";

I made a change according to this link on github, but I can not remove the error

https://github.com/owncloud/client/issues/5706

my config :

proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_connect_timeout 900s;
proxy_send_timeout 900s;
proxy_read_timeout 900s;
proxy_buffer_size 64k;
proxy_buffers 16 32k;
proxy_busy_buffers_size 64k;
proxy_redirect off;
proxy_request_buffering off;
proxy_buffering off;
proxy_pass http://backend1;

regardss

--
rickygm

http://gnuforever.homelinux.com
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Ricky Gutierrez
Re: Connection refused
May 15, 2018 06:30PM
Any help?

El lun., 14 may. 2018 20:02, Ricky Gutierrez <[email protected]>
escribió:

> hello list, I have a reverse proxy with nginx front end and I have the
> backend with nginx some applications in php7 with mariadb, reviewing
> the log I see a lot of errors like this:
>
> 2018/05/09 17:44:58 [error] 14633#14633: *1761 connect() failed (111:
> Connection refused) while connecting to upstream, client:
> 186.77.203.203, server: web.mydomain.com, request: "GET
> /imagenes/slide7.jpg HTTP/2.0", upstream:
> "http://192.168.11.7:80/imagenes/slide7.jpg";, host:
> "www.mydomain.com", referrer: "https://www.mydomain.com/";
>
> 2018/05/09 17:45:09 [error] 14633#14633: *1761 connect() failed (111:
> Connection refused) while connecting to upstream, client:
> 186.77.203.203, server: web.mydomain.com, request: "GET
> /imagenes/slide8.jpg HTTP/2.0", upstream:
> "http://192.168.11.7:80/imagenes/slide8.jpg";, host:
> "www.mydomain.com", referrer: "https://www.mydomain.com/";
>
> 2018/05/09 17:45:12 [error] 14633#14633: *1761 upstream prematurely
> closed connection while reading response header from upstream, client:
> 186.77.203.203, server: web.mydomain.com, request: "GET
> /imagenes/slide6.jpg HTTP/2.0", upstream:
> "http://192.168.11.7:80/imagenes/slide6.jpg";, host:
> "www.mydomain.com", referrer: "https://www.mydomain.com/";
>
> I made a change according to this link on github, but I can not remove the
> error
>
> https://github.com/owncloud/client/issues/5706
>
> my config :
>
> proxy_http_version 1.1;
> proxy_set_header Connection "";
> proxy_set_header X-Real-IP $remote_addr;
> proxy_set_header Host $host;
> proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
> proxy_connect_timeout 900s;
> proxy_send_timeout 900s;
> proxy_read_timeout 900s;
> proxy_buffer_size 64k;
> proxy_buffers 16 32k;
> proxy_busy_buffers_size 64k;
> proxy_redirect off;
> proxy_request_buffering off;
> proxy_buffering off;
> proxy_pass http://backend1;
>
> regardss
>
> --
> rickygm
>
> http://gnuforever.homelinux.com
>
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nginx mailing list
nginx@nginx.org
http://mailman.nginx.org/mailman/listinfo/nginx
Richard Stanway via nginx
Re: Connection refused
May 17, 2018 03:00PM
You should check your upstream logs to see why it is closing connections or
crashing.

On Tue, May 15, 2018 at 6:22 PM Ricky Gutierrez <[email protected]>
wrote:

> Any help?
>
> El lun., 14 may. 2018 20:02, Ricky Gutierrez <[email protected]>
> escribió:
>
>> hello list, I have a reverse proxy with nginx front end and I have the
>> backend with nginx some applications in php7 with mariadb, reviewing
>> the log I see a lot of errors like this:
>>
>> 2018/05/09 17:44:58 [error] 14633#14633: *1761 connect() failed (111:
>> Connection refused) while connecting to upstream, client:
>> 186.77.203.203, server: web.mydomain.com, request: "GET
>> /imagenes/slide7.jpg HTTP/2.0", upstream:
>> "http://192.168.11.7:80/imagenes/slide7.jpg";, host:
>> "www.mydomain.com", referrer: "https://www.mydomain.com/";
>>
>> 2018/05/09 17:45:09 [error] 14633#14633: *1761 connect() failed (111:
>> Connection refused) while connecting to upstream, client:
>> 186.77.203.203, server: web.mydomain.com, request: "GET
>> /imagenes/slide8.jpg HTTP/2.0", upstream:
>> "http://192.168.11.7:80/imagenes/slide8.jpg";, host:
>> "www.mydomain.com", referrer: "https://www.mydomain.com/";
>>
>> 2018/05/09 17:45:12 [error] 14633#14633: *1761 upstream prematurely
>> closed connection while reading response header from upstream, client:
>> 186.77.203.203, server: web.mydomain.com, request: "GET
>> /imagenes/slide6.jpg HTTP/2.0", upstream:
>> "http://192.168.11.7:80/imagenes/slide6.jpg";, host:
>> "www.mydomain.com", referrer: "https://www.mydomain.com/";
>>
>> I made a change according to this link on github, but I can not remove
>> the error
>>
>> https://github.com/owncloud/client/issues/5706
>>
>> my config :
>>
>> proxy_http_version 1.1;
>> proxy_set_header Connection "";
>> proxy_set_header X-Real-IP $remote_addr;
>> proxy_set_header Host $host;
>> proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
>> proxy_connect_timeout 900s;
>> proxy_send_timeout 900s;
>> proxy_read_timeout 900s;
>> proxy_buffer_size 64k;
>> proxy_buffers 16 32k;
>> proxy_busy_buffers_size 64k;
>> proxy_redirect off;
>> proxy_request_buffering off;
>> proxy_buffering off;
>> proxy_pass http://backend1;
>>
>> regardss
>>
>> --
>> rickygm
>>
>> http://gnuforever.homelinux.com
>>
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> nginx mailing list
> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx
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