Unable to connect to my Redshift account

I’m unable to connect to my Redshift account to access the DB. Error message as below.

Failed to validate account: Failed to retrieve a database connection. Cause: Connection attempt timed out. (Reason: Connection attempt timed out.; Resolution: Address the reported issue.)

If you are trying to connect from a SnapLogic Cloudplex, or even a Groundplex running in your own domain, you may need to whitelist the IP addresses of the Snaplex nodes on the RedShift configuration. If it is a Cloudplex, the details are listed in the Snaplex administration section of the documentation:
Let us know if this helps.