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Reviewed-by: Székely, Ond <ond.szekely@t-systems.com>
Co-authored-by: wangdengke2 <wangdengke2@huawei.com>
Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
2025-06-26 15:42:09 +00:00

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Overview

Scenarios

This section describes how to create a DB instance on the management console and then connect to that instance through an ECS over a private network.

If you are using TaurusDB for the first time, see Constraints.

Process

Figure 1 illustrates the process of connecting to a DB instance over a private network.

Figure 1 Connecting to a DB instance over a private network
  • Step 1: Create a DB instance. Confirm the specifications, network, and database account configurations of the DB instance based on service requirements.
  • Step 2: Configure security group rules.
    • If the ECS and DB instance are in the same security group, they can communicate with each other by default. No security group rule needs to be configured. Go to Step 3: Connect to a DB Instance over a Private Network.
    • If the ECS and DB instance are in different security groups, you need to configure security group rules for the ECS and DB instance, respectively.
      • DB instance: Configure an inbound rule for the security group associated with the DB instance.
      • ECS: The default security group rule allows all outgoing data packets. In this case, you do not need to configure a security group rule for the ECS. If not all outbound traffic is allowed in the security group, you need to configure an outbound rule for the ECS.
  • Step 3: Connect to a DB instance over a private network. You can connect to the DB instance through a common connection, or an SSL connection for enhanced security. SSL connections are encrypted.