Help Center> Distributed Cache Service> FAQs> Security> Does DCS for Redis Support SSL Encrypted Transmission?
Updated on 2023-09-08 GMT+08:00

Does DCS for Redis Support SSL Encrypted Transmission?

By default, SSL is disabled for DCS Redis 6.0 basic edition instances. To enable it, see .

For public access to DCS instances (supported only by DCS Redis 3.0 instances), you can enable TLS encryption with Stunnel. For details, see the instructions on installing and configuring Stunnel. When DCS provisions instances, the specified Certificate Chain (CA) will generate a unique service certificate for each instance. When connecting to an instance, clients can use the CA root certificates downloaded from the management console to authenticate the instance server and encrypt data during transmission.

DCS Redis for 4.0/5.0 only support plaintext transmission. They do not support SSL encrypted transmission.

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