Office 365 Application Endpoint Host
Internal Outgoing Connections
| From | To | Protocol | Port | 
|---|---|---|---|
| Office 365 Application Endpoint Host (O365AEH) – BackNet NIC | DNS Resolver Server – BackNet NIC | TCP, UDP | 53 | 
| SMTP server – BackNet NIC | TCP | 25 (for sending welcome messages) | |
| Web/FTP server – BackNet NIC | TCP | 80; 21, 1024-65535 (for downloading welcome message templates) | |
| OA Operations Management Node on Linux (LINMN) – BackNet NIC | TCP | 6308 (APSC) 8440 (OA Operations Public API) | |
| OA Billing Application Server on Linux (OABLINFE) – BackNet NIC | TCP | 5224 (OA Billing API) | |
| SQL Server – BackNet NIC | TCP | 1433 | 
Internal Incoming Connections
| From | To | Protocol | Port | 
|---|---|---|---|
| OA Operations Management Node on Linux (LINMN) – BackNet NIC | Office 365 Application Endpoint Host (O365AEH) – BackNet NIC | TCP | 443 | 
External Outgoing Connections
| From | To | Protocol | Port | 
|---|---|---|---|
| Office 365 Application Endpoint Host (O365AEH) – BackNet NIC | Partner Center / Graph API (Microsoft Cloud): 
 Partner Center / Graph API (Microsoft Cloud Germany) 
 Partner Center / Graph API (Office 365 operated by 21Vianet in China) 
 | TCP | 443 | 
| ONLY for Ingram Micro Federation Transaction Mediator (URL is provided by Ingram Micro representative) | TCP | 
Note: This section contains firewall rules that are related to the Office 365 application. General rules are provided in the Odin Automation Firewall Configuration Guide.