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Barracuda Backup

Port Usage

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The following tables describe network ports that must be opened in your network firewall or web filtering services to ensure proper communication of the Barracuda Backup appliance with backup infrastructure components.

In addition to the ports below for Barracuda Backup, all Barracuda appliances must have other required outbound connections set up. For more information, refer to Required Outbound Connections for Barracuda Appliances.

You must configure a valid external DNS to resolve to certain Barracuda infrastructure components requiring DNS entries.

Table 1. Barracuda Backup Connections
FromToProtocolPortNotes
Barracuda Backup DeviceBarracuda Data CentersTCP/UDP22Used for Barracuda support tunnel (described in the Technical Support article).
Barracuda Backup DeviceBarracuda Data CentersHTTP/TCP/UDP80Used for activation and connection to local user interface.
Barracuda Backup DeviceBarracuda Data CentersHTTP/TCP/UDP443Used for activation and connection to local user interface.
Barracuda Backup DeviceBarracuda Data CentersTCP/UDP1194OpenVPN port used to manage device from Barracuda Cloud Control.
Barracuda Backup DeviceBarracuda Backup AgentTCP/UDP5120Used for communication with Barracuda Backup Agent service.
Barracuda Backup DeviceReplication Targets
(Barracuda Cloud, Amazon Web Services, Barracuda Backup device)
TCP/UDP5121-5129Used for offsite data replication.
Table 2. Virtual Infrastructure
FromToProtocolPortNotes
Barracuda Backup DevicevCenter ServerHTTPS TCP443Default port used for connections to vCenter Server.
Barracuda Backup DevicevCenter ServerHTTPS TCP10443Used for communication with vCenter Server.
Barracuda Backup DeviceESX(i) ServerHTTPS TCP443

Default port used for connections to ESX(i) host. Not required if vCenter connection is used.

Barracuda Backup DeviceESX(i) ServerTCP902Used for data transfer to ESX(i) host.
Barracuda Backup DeviceESX(i) ServerTCP22Used as a control channel.


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