Server:
Mobile for JIRA add-on communicates with the below:
For Apple notifications: ssl://gateway.sandbox.push.apple.com on ports 2195, 5223, 2196 and 443
For Android notifications: https://gcm-http.googleapis.com/gcm/send on ports 5228, 5229, and 5230
The Mobile app (JIRA Mobile Enterprise) communicates only with JIRA server through JIRA Rest APIs
Cloud:
JIRA instance needs to communicate with:
https://jiracloud.infosysta.com/* for license registration and notifications trigger.
The Mobile app (JIRA Mobile Enterprise) communicates with:
JIRA instance URL through JIRA Rest APIs
https://jiracloud.infosysta.com/* to check Mobile for JIRA licenses