Ports 443, 4505, and 4506 open to cloud proxy.
Install failed with "Unreachable Ports : 443 4505 4506. Please check for port connectivity using the configured address: <Cloud proxy FQDN>".
Aria Operations 8.18.x
Target machine cannot resolve the FQDN and/or short name of the cloud proxy.
nslookup <cloud proxy FQDN>
nslookup <cloud proxy short name>