:original_name: dcs-ug-023129.html .. _dcs-ug-023129: Configuring SSL =============== DCS Redis 6.0 instances support SSL encryption to ensure data transmission security. This function is not available for other instance versions. Procedure --------- #. Log in to the DCS console. #. Click |image1| in the upper left corner of the management console and select the region where your instance is located. #. In the navigation pane, choose **Cache Manager**. #. On the **Cache Manager** page, click a DCS instance. #. In the navigation pane, choose **SSL**. #. Click |image2| next to **SSL Certificate** to enable or disable SSL. .. important:: - This will restart the instance and disconnect it for a few seconds. Wait until off-peak hours and ensure that your application can re-connect. - The restart cannot be undone. For single-node DCS instances and other instances where AOF persistence is disabled (**appendonly** is set to **no**), data will be cleared and ongoing backup tasks will be stopped. Exercise caution when performing this operation. #. Click **Download Certificate** to download the SSL certificate. #. Decompress the SSL certificate and upload the decompressed **ca.crt** file to the server where the Redis client is located. #. Add the path of the **ca.crt** file to the command for connecting to the instance. If you use redis-cli to connect to an instance, refer to :ref:`Accessing a DCS Redis Instance Through redis-cli `. .. |image1| image:: /_static/images/en-us_image_0148195246.png .. |image2| image:: /_static/images/en-us_image_0000001505063901.png