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doc-exports/docs/gaussdb_mysql/umn/gaussdb_02_0006.html
Wang , Deng Ke e944469104 gaussdb UMN 20221230 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com>
Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
2023-08-13 18:46:36 +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 GaussDB(for MySQL) 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, storage, 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 to which the DB instance is associated.
      • ECS: The default security group rule allows all outgoing data packets. In this scenario, 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.