Splunk newbee here. I am trying to setup tenable.io with Splunk. When trying to enter the API key generated from the cloud.tenable.com, Splunk gives a connectivity issue error. Same problem with the apps when I am trying to search for in Splunk(been downloading and then installing it via the app manager).
What kind of a connectivity issue is it since I am able to send email alerts from Splunk to external address?
Could you give us some more information about your problem? It might help if you post the actual error that is displaying. Generally, you question has a better chance of being answered the more information that you give.