[Yandex Cloud documentation](../../index.md) > [Yandex IoT Core](../index.md) > [Concepts](index.md) > MQTT server connection parameters

# MQTT server connection parameters

{% note warning %}

Yandex IoT Core is no longer available to new users. 

Current users can create resources until November 1, 2026. Afterwards, the service will go read-only and cease to operate on December 1, 2026. For more information on the timing and procedure, see [Service shutdown](../sunset.md).

{% endnote %}

To connect to the MQTT server, use the following parameters:
- [A certificate from the certificate authority](https://storage.yandexcloud.net/mqtt/rootCA.crt).
- **Server address**: `mqtt.cloud.yandex.net`.
- **Server port**: `8883`.
- **Protocol**: `TLSv1.2`.