@Kerry Alexander Welcome to the Atlassian community.
In order to connect the cloud to an on-prem service, it will need to be available to the cloud and in this case the internet since I do not know of any IP lists for Atlassian cloud.
For JSM June Challenge #2, share how your non-technical teams like HR, legal, marketing, finance, and beyond started using Jira Service Management! Tell us: Did they ask to start using it or...
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