3320688 - Error "scc proxy error" "Network unreachable" when validate SFTP connection in Datasphere

Getting the error below while validating an SFTP connection:

Connection "XXX" couldn’t be established. 

- Data flows can't be used because of errors in the connection.
- Remote tables are not supported.

Data Flows: Cause: Possible causes of error: Detailed error message (xxxxx: scc proxy error - connection to host:port [xxxxx:xx] failed with status: network unreachable) Code:1103002

or

Data Flows: Cause: Possible causes of error: Detailed error message scc proxy error \- connection to host:port [xxxx:xx] failed with status: forbidden (connection not allowed by ruleset)) 

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

SAP Datasphere

Validate the connection.

The Virtual Host and Virtual Port in the Datasphere are inconsistent with those in the Cloud Connector.

Please ensure that the virtual hosts and virtual ports in the Datasphere are the same as those in the cloud connector.

• Generic SFTP | SAP Help Portal

"failed with status: network unreachable", SCC, CC, DSP, DWC, DS , KBA , DS-DI-CON , Connections , Problem