The customer was unable to access the vCenter vSphere client to make any changes to the network. Web Services Management (WS-Management is a DMTF open standard for the management of servers, devices, applications, and Web services.During some changes on switches in the customer’s environment, vCenter lost its network. The RFB protocol is a simple protocol for remote access to graphical user interfaces. Firewall Ports for Services That Are Not Visible in the UI by Default Port Required for virtual machine migration with vMotion. Used for RDT traffic (Unicast peer to peer communication) between vSAN nodes. Ensure that outgoing connection IP addresses include at least the brokers in use or future. The virtual machine does not have to be on the network, that is, no NIC is required. This proxy allows applications that are running inside virtual machines to communicate with the AMQP brokers that are running in the vCenter network domain. If no VDR instances are associated with the host, the port does not have to be open.Ī proxy running on the ESXi host. The firewall port associated with this service is opened when NSX VIBs are installed and the VDR module is created. Used for ongoing replication traffic by vSphere Replication and VMware Site Recovery Manager.Ĭluster Monitoring, Membership, and Directory Service used by vSAN. Welcome page, with download links for different interfaces. If disabled, vSAN Storage Profile Based Management (SPBM) does not work. Used by the Storage Management Service (SMS) that is part of vCenter to access information about vSAN storage profiles, capabilities, and compliance. ESXi hosts listen on port 8000 for TCP connections from remote ESXi hosts for vMotion traffic. If disabled, vSAN does not work.Īllows the host to connect to an SNMP server. Uses TCP and is used for vSAN storage IO. This service was called NSX Distributed Logical Router in earlier versions of the product. If no VDR instances are associated with the host, the port does not have to be open. Traffic between hosts for vSphere Fault Tolerance (FT). Uses UDP-based IP multicast to establish cluster members and distribute vSAN metadata to all cluster members. VMware vSAN Cluster Monitoring and Membership Directory Service. ESXi uses NFC for operations such as copying and moving data between datastores by default. Network File Copy (NFC) provides a file-type-aware FTP service for vSphere components. On hosts that are not using VMware FT these ports do not have to be open. Only hosts that run primary or backup virtual machines must have these ports open. The CIM client uses the Service Location Protocol, version 2 (SLPv2) to find CIM servers.ĭVSSync ports are used for synchronizing states of distributed virtual ports between hosts that have VMware FT record/replay enabled. Server for CIM (Common Information Model). The information is primarily for services that are visible in the vSphere Web Client but the table includes some other ports as well. If you install other VIBs on your host, additional services and firewall ports might become available. The following table lists the firewalls for services that are installed by default. The vSphere Web Client and the VMware Host Client allow you to open and close firewall ports for each service or to allow traffic from selected IP addresses.
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