[stunnel-users] Connection refused, then connects
James Brown
jlbrown at bordo.com.au
Fri May 17 15:06:26 CEST 2019
> On 17 May 2019, at 5:07 pm, Peter Pentchev <roam at ringlet.net> wrote:
>
> On Fri, May 17, 2019 at 01:54:47PM +1000, James Brown wrote:
>> Can anyone tell me why It tries ::1:25 first and fails before connecting to 127.0.0.1:25?
>>
>> 2019.05.17 13:48:34 LOG5[21]: Service [ssmtp465] accepted connection from ::ffff:192.168.1.76:49170
>> 2019.05.17 13:48:34 LOG3[21]: s_connect: connect ::1:25: Connection refused (61)
>> 2019.05.17 13:48:34 LOG5[21]: s_connect: connected 127.0.0.1:25
>> 2019.05.17 13:48:34 LOG5[21]: Service [ssmtp465] connected remote server from 127.0.0.1:56701
>>
>> /usr/local/etc/stunnel/stunnel.conf has:
>>
>> [ssmtp465]
>> client = no
>> accept = 465
>> connect = 25
>> options = NO_SSLv2
>> #transparent = source
>
> You have specified only a port number, not an address; thus, stunnel assumes
> the local host address. You have not explicitly told it to only use IPv4
> addresses, so it tries the IPv6 local host address (::1) first; when that
> fails, it falls back to the IPv4 local host address (127.0.0.1).
>
> If you change the line to "connect = 127.0.0.1:25" like for your other
> service, it will go straight to the IPv4 local host address.
>
> Hope that helps!
>
> G'luck,
> Peter
Perfect, that worked - Thanks Peter
(Obvious now that I think of it!)
James.
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