Does DCS Support Public Access?
- Redis 3.0
Currently, public access is supported only by password-protected DCS Redis 3.0 instances. You can enable or disable SSL for public access. You are advised to download a CA certificate in advance and use it to verify the certificate of a DCS instance for security purposes. For more information, see Public Access to a DCS Redis Instance.
- Redis 4.0 and Redis 5.0
Public access is not supported by DCS Redis 4.0, 5.0, and 6.0 instances. If public access is required for a single-node, master/standby, or Proxy Cluster instance, use Nginx to redirect connections through an ECS configured with the same VPC and security group as the DCS instance. For details, see Using Nginx for Public Access to Single-node, Master/Standby, or Proxy Cluster DCS Redis Instances.
Redis Cluster instances cannot be accessed using Nginx over public networks.
You can use Elastic Load Balance (ELB) to access different types of DCS instances over public networks. For details, see Using ELB for Public Access to DCS.
- Memcached
Public access is not supported. The ECS that serves as a client and the DCS instance that the client will access must belong to the same VPC. In the application development and debugging phases, you can also use SSH to access your instance in the local environment. For details, see Using SSH Tunneling for Public Access to a DCS Instance.
Client and Network Connection FAQs
- Does DCS Support Public Access?
- Troubleshooting Redis Connection Failures
- Does DCS Support Cross-VPC Access?
- Will I Be Charged for the EIP Used for Public Access to a DCS Redis Instance?
- Why Is "(error) NOAUTH Authentication required" Displayed When I Access a DCS Redis Instance?
- What Should I Do If Access to DCS Fails After Server Disconnects?
- Why Do Requests Sometimes Time Out in Clients?
- What Should I Do If an Error Is Returned When I Use the Jedis Connection Pool?
- How Do I Access a DCS Redis Instance Through Redis Desktop Manager?
- What If "ERR Unsupported CONFIG subcommand" is Displayed in SpringCloud?
- What Can I Do If I Fail to Access a DCS Instance Using Its Domain Name Address?
- Can I Access DCS Instances in a Local Environment?
- What Should Be Noted When Using Redis for Pub/Sub?
- Why Is Public Access of My DCS Redis Instance Unintentionally Disabled?
- What Can I Do If Error "Cannot assign requested address" Is Returned When I Access Redis Using connect?
- Connection Pool Selection and Recommended Jedis Parameter Settings
- What Can I Do If a Lettuce 6.x Client Is Incompatible with My DCS Instance?
- Should I Use a Domain Name or an IP Address to Connect to a DCS Redis Instance?
- Is the Read-only Address of a Master/Standby Instance Connected to the Master or Standby Node?
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