[stunnel-users] How to archive DNS load balance in stunnel client?

Fri Aug 21 23:35:46 CEST 2020

My guess is it only does dns.lookup() function, on a restart/reload...

Hopefully I'm wrong but if i'm right it would not automagically look up the
address and notice changes.
Aaron West

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On Fri, 21 Aug 2020 at 22:30, Peter Zhao <pzhao at paymentus.com> wrote:

> Hi,
>
> We are trying to use DNS load balance in a stunnel client with round-robin
> algorithm.  service.example.com is mapping to two ips. But when we update
> DNS to remove one of ips for   service.example.com stunnel client still
> forward requests to both ips. How to make stunnel client to resolve domain
> name and refresh its cache?
>
>
> Here is stunnel configuration.
> sslVersion=TLSv1.2
> cert = /etc/stunnel/stunnel.pem
> output=/var/log/stunnel.log
>
> [service-client]
> client = yes
> accept = localhost:4680
> connect = service.example.com:4680
>
> [service-server]
> client = no
> accept = 10.10.0.16:4680
> connect = loclhost:80
>
> Here is the resolving result for service.example.com.
> ;; ANSWER SECTION:
> service.example.com.        5       IN      A       10.10.0.16
> service.example.com.        5       IN      A       10.10.0.8
>
>
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