2.4 Ports at a glance

Port Direction Used for
443 Clients → server Agents, Office add-ins, manifests, setup scripts, root CA download
9443 Admins → server Admin console only
80 Clients → server Redirect to 443
636 Server → domain controllers Active Directory sign-in and group lookup (LDAPS)
445 Server → file share Pushing web add-in manifests to the catalog share (optional)
25/465/587 Server → mail relay Alert and report e-mail (optional)
514 or your choice Server → SIEM Syslog/CEF forwarding (optional)
123 (UDP) Server → NTP Time synchronisation