• Only instances of the SQL Server 2008 R2 version are supported in VPC network the default value is the safe mode. You cannot disable this mode.
  • SQL Server 2008 R2 instance is in classic network safe connection mode is not supported under, and you cannot switch to a VPC network.

Database Proxy is a Database intermediate layer service provided by apsaradb for RDS, which is secure, stable, and high-performance, and is 100% protocol compatible and completely transparent to applications.

Principle and characteristics

The Database proxy is located between the application (Client) and the Database Engine, and is automatically maintained by the RDS system. All Database requests and responses are all processed at the proxy layer.