You must open specific ports in the firewall to allow the Cohesity cluster to protect Microsoft 365 application and the following table lists the required ports. For details on the Microsoft 365 endpoint URLs and IP address ranges, see Office 365 URLs and IP address ranges in Microsoft 365 documentation.
| Port | Source | Target | Direction | Network Protocol | Usage |
|---|---|---|---|---|---|
| 80/443 | Cohesity cluster | Microsoft 365 Services | Outgoing | TCP | For the Cohesity cluster to communicate with Microsoft Graph and the following service endpoints: https://accounts.accesscontrol.windows.net https://<tenant>.onmicrosoft.com https://graph.microsoft.com/v1.0 https://graph.microsoft.com/beta https://outlook.office365.com https://<tenant>.sharepoint.com https://<tenant>-admin.sharepoint.com https://<tenant>-my.sharepoint.com login.microsoftonline.com |