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Can I Change the VPC or Subnet that My RDS for MariaDB Instance Belongs To? No, you cannot directly change the VPC or subnet on the RDS console. However, you can change the VPC or subnet by restoring a full backup to a new DB instance. For details, see Restoring a DB Instance from
You can also use Direct Connect or VPN to encrypt data transmission. Parent topic: Network Security
VPN uses an encrypted tunnel to connect VPCs in different regions and sends traffic over the Internet. It is inexpensive, easy to configure, and easy to use. However, the quality of VPN connections depends on the quality of your Internet connection.