And maybe:
*delay* = yes | no
delay DNS lookup for the *connect* option
This option is useful for dynamic DNS, or when DNS is not available during *stunnel* startup (road warrior VPN, dial-up configurations).
Delayed resolver mode is automatically engaged when stunnel fails to resolve on startup any of the *connect* targets for a service.
Delayed resolver inflicts *failover = prio*. default: no
So it looks up each connect and notices the change. Actually a very nice feature! Aaron West
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On Sat, 22 Aug 2020 at 11:35, tayyib ahmed tayyib76@gmail.com wrote:
Failover= re option would help you
On Fri, Aug 21, 2020, 22:30 Peter Zhao pzhao@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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