doveadm ssl error when upgrading from 2.2.27 to 2.2.29

Aki Tuomi aki.tuomi at dovecot.fi
Thu Jun 8 11:06:01 EEST 2017



On 07.06.2017 15:16, Pallissard, Matthew wrote:
> I'm starting to see the following error when upgrading from 2.2.27 to 2.2.29.
>
> doveadm(ip.add.re.ss): Error: doveadm client disconnected before handshake: SSL_accept() failed: error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher
>
> Downgrading from 2.2.27 resolves, error still persists in 2.2.28.
>
> I'm using openssl 1.1.0.f and an ec cert/key with the following curve.
>   ASN1 OID: prime256v1
>   NIST CURVE: P-256
>
>
> Does anyone know anything about this off the top of their head? If not I'll try to git-bisect 2.2.27 -> 2.2.28 and see if I can find any offending commits later on this week.
>

That would indicate a problem with cipher lists. What are you doing that
causes this?

Aki


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