Re: [paho-dev] Paho C-Client TLSv1.1 - unknown Protocol

[Roger Light <roger@xxxxxxxxxx>]

Hi Chris,

> SSL23_GET_CLIENT_HELLO:unknown protocol.
>
> Which was the same Error I got when not specifying the tls protocol version
> in Python. Is there any way in the C API to set the SSL/TLS Version?


Just to add something here, mosquitto 1.4 will allow (and default) to
TLS 1.0, 1.1 and 1.2 on the same listener. Previous versions only
allowed one protocol per listener, which is presumably why you're
having the problem.

Regards,

Roger