Ports

Veeam Backup & Replication automatically creates firewall rules for the ports required to allow communication between the Sangfor aSV server, workers and the backup server.

Workers

The following table describes network ports that must be open to ensure proper communication of workers with other backup infrastructure components.

Workers

From

To

Protocol

Port

Notes

Worker

Sangfor aSV server

TCP/HTTPS


4430

Used to communicate with the REST API service running on the Sangfor aSV server.

443

Used by the worker for NBD/NBDSSL data transport when HotAdd is not available.

Backup server

TCP

10006

Used to communicate with the backup server.

Veeam backup repository or gateway server

TCP

6162

Default port used as transmission channel for jobs and restore sessions.

Veeam Update Repository
(repository.veeam.com)

Amazon CloudFront
(cloudfront.net, amazonaws.com)

TCP/HTTPS

443

Used to download worker deployment packages.

Note: Veeam Update Repository uses the Amazon CloudFront service to distribute traffic when downloading product updates.

NTP server

UDP

123

Used for time synchronization with NTP servers.

Backup Server

The following table describes network ports that must be open to ensure proper communication of the backup server with other backup infrastructure components.

Backup Server

From

To

Protocol

Port

Notes

Backup server

Worker

TCP

19000

Used to communicate with workers.

Worker

TCP/HTTPS

443

Used by the Platform Service to enable communication with the Veeam Updater service on the worker.

Backup server

TCP/HTTPS

6172

Used by the Platform Service to enable communication with the Veeam Backup & Replication database.

Sangfor aSV server

TCP/HTTPS

4430

Used to communicate with the REST API service running on the Sangfor aSV server.

FLR helper appliance

TCP

22

Used to connect to the helper appliance during file-level restore.

Note

For the list of ports used by the backup server to communicate with backup repositories, see Ports.


Page updated 2026-07-16

Page content applies to build 13.1.0.411