This document outlines various ports and services used for internal and external communication by devices, users, and administrators. Ports 2001, 443 are used internally for Windows, Android, and macOS communication, while ports 2195, 2196, 5223, 5228 are used externally by Apple and Android devices and users. Internal servers include a console server, API, device services, database server, and notification service accessible through ports 2001, 1433, 2195-2196, 443, while external communication uses ports 443, 5228, 5223. An active directory domain controller uses ports 389, 636, 3268-3269.