2377425 - What ports need to be open in a firewall for connection with SAP Cloud Connector and what IP Addresses at SAP does it connect to?

1. Which ports need to be open in a firewall so that SAP Cloud Connector (SCC) can communicate with the SAP Business Technology Platform (BTP)?
2. SAP Cloud Connector (SCC) is installed as High Availability. You want to know which ports need to be open in a firewall to allow the leading* and subordinate* instances to communicate with each other.
3. Whether SAP Cloud Connector needs to be used when an on-premise application needs to connect to an application in BTP which is accessible via the internet?
4. The following error may appear in the SCC web page:

• CONNECT_FAILED / Failed to connect
• #ERROR#com.sap.scc.rt#http-bio-8443-exec-9# #Tunnel Connect Failed java.nio.channels.UnresolvedAddressException

• SAP Cloud Connector
• SAP Business Technology Platform
• SAP Analytics Cloud

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