Hi,

Kannel always take the first IP from DNS response. Therefore you have to make 
sure IPV4
address is the first address,

Alex


> Am 19.07.2020 um 15:43 schrieb Antony Stone 
> <antony.st...@kannel.open.source.it>:
> 
> On Sunday 19 July 2020 at 15:04:45, Alexander Malysh wrote:
> 
>> Hi,
>> 
>> kannel doesn’t support IPV6 yet.
> 
> Hm, it appears to be even worse than I thought...
> 
> I was switching from a config file which contained the hostname of a server 
> which only had an IPv4 address, to a hostname which only resolves to an IPv6 
> address.
> 
> Since kannel doesn't do IPv6 yet, that didn't work.
> 
> However today I seem to have found that if you give kannel a hostname which 
> resolves to both IPv4 and IPv6 addresses, it still can't connect to the IPv4 
> address!
> 
> Just the existence of an IPv6 address in the hostname lookup is enough to 
> prevent kannel from being able to connect to the IPv4 address alongside it.
> 
> 
> Can anyone else confirm this finding, or is it just me and my networking 
> setup 
> (which works fine for other services connecting to both IPv4 and IPv6 
> addresses 
> for the same hostname)?
> 
> 
> Thanks,
> 
> 
> Antony.
> 
> -- 
> "When you talk about Linux versus Windows, you're talking about which 
> operating system is the best value for money and fit for purpose. That's a 
> very 
> basic decision customers can make if they have the information available to 
> them. Quite frankly if we lose to Linux because our customers say it's better 
> value for money, tough luck for us."
> 
> - Steve Vamos, MD of Microsoft Australia
> 
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