[squid-users] 503 service unavailable on connection refused

[Dominic Kim]

I have tested with squid 3.3, 3.5, 4.
And the behavior were same.

Thanks
Regards
Dongkyoung

2017-05-22 18:01 GMT+09:00 Dominic Kim <style9595 at gmail.com>:

> When I connect to a target server via squid, if server does not exist, I
> get "No route to host" error.
> And if server exist, but port is not opened yet, I get "Connection
> refused" error.
>
> As per the definition of "connect_retries" option, it should retry when
> connection attempt failed.
> (reference: http://www.squid-cache.org/Doc/config/connect_retries/)
>
> IMHO, in both the cases, connection attempts failed and it is supposed to
> retry.
> However, if I enable this feature, it only retries on "No route to host"
> error.
> In case of "Connection refused", I am getting 503 service unavailable
> error immediately.
>
> Are there anyway to fix this behavior?
> Kindly help me.
>
> Thanks
> Regards
> Dongkyoung
>
>
>
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