The following table describes network ports open during application item restore.
Machine running Veeam Explorer (this can be Veeam backup server or standalone console)
Oracle on Windows server
Recommended dynamic RPC port range for Microsoft Windows 2008 and later. For more information, refer to https://support.microsoft.com/en-us/kb/832017.
1025 - 1034
Default port range for the runtime component installed on VM guest to support restore operations in most scenarios. Port is open only during application item restore (Veeam Explorer session).
To learn how to modify default port range, see How It Works.
Oracle on Linux server
Default SSH port used as a control channel.
2500 - 5000
Default port range for data transmission.
The following ports are open on Windows machines in case of restore to the original VM (remote machine) or restore scenario that requires staging server (see How It Works section).
Target remote VM to which application items are restored,
Veeam Explorer for Oracle
3260 - 3270
Range of ports opened by Veeam Backup & Replication for iSCSI traffic. Ports are open only during application item restore (Veeam Explorer session). For more information, refer to Mount Operations.