--- title: "Ports" description: "Veeam Backup & Replication automatically creates firewall rules for the required ports on backup infrastructure components. These rules allow communication between the components." canonical: "https://helpcenter.veeam.com/docs/vbr/qsg/used_ports.html" breadcrumb: "Quick Start Guide > Planning and Preparation > Ports" dateModified: "2026-10-21" --- # Ports Veeam Backup & Replication automatically creates firewall rules for the required ports on backup infrastructure components. These rules allow communication between the components. You can find the lists of the ports in the following sections of the Veeam Backup & Replication User Guide: - [Backup Server Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#backup) - [Microsoft Windows Server Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#ms_servers) - [Linux Server Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#linux_servers) - [[For VMware vSphere] Backup VMware Proxy Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#proxy) - [[For Microsoft Hyper-V] Backup Proxy Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#hv_proxy) - [Backup Repository Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#backup_repos) - [Mount Server Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#mount_server) - [VM Guest OS Connections](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13#guest_os_recovery_connections) - [Veeam Backup Enterprise Manager Connections](https://helpcenter.veeam.com/docs/vbr/em/used_ports.html?ver=13) - [Veeam Explorer for Microsoft SQL Server Connections](https://helpcenter.veeam.com/docs/vbr/userguide/vesql_used_ports.html?ver=13) - [Physical Machine Connections](https://helpcenter.veeam.com/docs/vbr/userguide/agents_used_ports.html?ver=13) ::: tip In this guide, we assume that all ports are open in your infrastructure. ::: ## Reference For the full list of ports, see the [Ports](https://helpcenter.veeam.com/docs/vbr/userguide/used_ports.html?ver=13) section in the Veeam Backup & Replication User Guide.