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Re: [mosquitto-dev] two-way communication

Hi Ahmet,

I haven't heard of anything like that, sorry. Do you have any more
details of how exactly you are setting things up?

Regards,

Roger

On Wed, 17 Aug 2022 at 11:01, Ahmet Tekelioglu via mosquitto-dev
<mosquitto-dev@xxxxxxxxxxx> wrote:
>
> Hello,
>
> I am using mosquitto in an application that collects telemetry data form several dozen clients. I have already activated the MQTT/TLS parameters and selected relatively safe TLS parameters. However, partly out of curiosity, I am also implementing the Diffir-Hellman protocol for key exchange. The protocol itself works fine and produces the same key at both ends, the client and the server. It is possible to exchange keys many times and that part appears to work flawlessly.
>
> However, after the first key exchange, I find that the telemetry data arriving from the clients becomes erratic so that only one third is saved to the database. Before the Diffie-Hellman protocol, data transfer was always one-way, from the clients to the server. The trouble started when I began to send D-H responses to the client from the server. Any clues?
>
> Has anybody run into unexpected behaviour after two-way messaging?
>
> Ahmet Tekelioglu
> +90 (530) 410 9807
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