To back up and restore Amazon RDS for PostgreSQL, verify that your environment meets the system requirements.
Packages required on access nodes:
Virtual Server Agent
Access nodes that you run backup and restore operations on must have one of the following operating systems:
Red Hat Enterprise Linux 8.x
Red Hat Enterprise Linux 7.x
Oracle Linux Enterprise
Note: If you have network configuration enabled on the access nodes, before you deploy a Windows or a Linux proxy, configure a firewall on the cloud proxy and on-premises. For more information, see Configuring a Firewall to Install the Virtual Server Agent on a Cloud VM or Instance.
Supported PostgreSQL Versions
From PostgreSQL version 9.6 to version 13.x
SSL and TLS Support
The supported TLS versions to create Amazon SSL encrypted PostgreSQL instances are TLS 1.0, 1.1 and 1.2.