Overview

Figure 1 illustrates the process of connecting to an RDS for MySQL DB instance through a public network.

Figure 1 Connecting to a DB instance through a public network
Click to enlarge

**Table 1** Connection methods
Server	Connection Tool	IP Address	Default Port	Security Group Rules
Linux ECS	MySQL CLI	EIP	3306	To access your DB instance from a server that is not in the same security group as your DB instance, configure an inbound rule for the security group with which your DB instance is associated. For details, see Configuring Security Group Rules.
Local Windows Server	Database client such as MySQL-Front	EIP	3306

To connect to a DB instance from a Linux ECS, perform the following steps:

Step 1: Buy an ECS: Purchase and log in to a Linux ECS.
Step 2: Test Connectivity and Install a MySQL Client: Test the network connectivity between the ECS and the EIP and port of the RDS for MySQL DB instance, and install a MySQL client.
Step 3: Connect to the DB Instance Using Commands (Non-SSL Connection): Use the MySQL CLI to connect to the DB instance via the EIP and port.

To connect to a DB instance from a local Windows server, perform the following steps:

Step 1: Test Connectivity and Install MySQL-Front: Test the network connectivity between the local server and the EIP and port of the RDS for MySQL DB instance and install MySQL-Front (MySQL-Front is used as an example).
Step 2: Connect to the DB Instance Using MySQL-Front: Use MySQL-Front to connect to the DB instance using the EIP and port.

Parent topic: Connecting to an RDS for MySQL DB Instance Through a Public Network