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Knowledge Base

TCP and UDP ports required to access ESXi (52960)

Last Updated: 2/21/2020Categories: InformationalTotal Views: 40799Language:
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Purpose

This article lists the TCP and UDP ports for ESXi

Resolution

TCP and UDP ports for ESXi :

Product

Port

Protocol

Source

Target

Purpose

ESXi 5.x

22

TCP

Client PC

ESXi Host

SSH Server

ESXi 5.x

53

UDP

ESXi 5.x

DNS Server

DNS Client

ESXi 5.x

68

UDP

ESXi 5.x

DHCP Server

DHCP Client

ESXi 5.x

80

TCP

Client PC

ESXi Host

Redirect Web Browser to HTTPS Service (443)

ESXi 5.x

88

TCP

ESXi host

Active Directory Server

PAM Active Directory Authentication - Kerberos

ESXi 5.x

111

TCP

ESXi/ESX Host

NFS Server

NFS Client – RPC Portmapper

ESXi 5.x

111

UDP

ESXi/ESX Host

NFS Server

NFS Client – RPC Portmapper

ESXi 5.x

123

UDP

ESXi/ESX Host

NTP Time Server

NTP Client

ESXi 5.x

161

UDP

SNMP Server

ESXi Host

SNMP Polling. Not used in ESXi 3.x

ESXi 5.x

162

UDP

ESXi Host

SNMP Collector

SNMP Trap Send

ESXi 5.x

389

TCP/UDP

ESXi host

LDAP Server

PAM Active Directory Authentication - Kerberos

ESXi 5.x

427

UDP

VI / vSphere Client

ESXi/ESX Host

CIM Service Location Protocol (SLP)

ESXi 5.x

443

TCP

VI / vSphere Client

ESXi/ESX Host

VI / vSphere Client to ESXi/ESX Host management connection

ESXi 5.x

443

TCP

ESXi/ESX Host

ESXi/ESX Host

Host to host VM migration and provisioning

ESXi 5.x

445

UDP

ESXi host

MS Directory Services Server

PAM Active Directory Authentication

ESXi 5.x

445

TCP

ESXi host

MS Directory Services Server

PAM Active Directory Authentication

ESXi 5.x

445

TCP

ESXi host

SMB Server

SMB Server

ESXi 5.x

464

TCP

ESXi host

Active Directory Server

PAM Active Directory Authentication - Kerberos

ESXi 5.x

514

UDP/TCP

ESXi 5.x

Syslog Server

Remote syslog logging

ESXi 5.x

902

TCP/UDP

ESXi 5.x

ESXi Host

Host access to other hosts for migration and provisioning

ESXi 5.x

902

TCP

vSphere Client

ESXi Host

vSphere Client access to virtual machine consoles (MKS)

ESXi 5.x

902

UDP

ESXi 5.x

vCenter Server

(UDP) Status update. Managed hosts send a regular heartbeat to the vCenter Server system. This port must not be blocked by firewalls between the server and the hosts or between hosts.

ESXi 5.x

1024 (dynamic)

TCP/UDP

ESXi Host

Active Directory Server

Bi-directional communication on TCP/UDP ports is required between the ESXi host and the Active Directory Domain Controller (via the netlogond process on the ESXi host). See Active Directory and Active Directory Domain Services Port Requirementsand the Microsoft Knowledge Base article179442.

ESXi 5.x

2049

TCP

ESXi 5.x

NFS Server

Transactions from NFS storage devices

ESXi 5.x

2049

UDP

ESXi 5.x

NFS Server

Transactions from NFS storage devices

ESXi 5.x

3260

TCP

ESXi 5.x

iSCSI storage server

Transactions to iSCSI storage devices

ESXi 5.x

5900 to 5964

TCP

ESXi 5.x

ESXi Host

RFB protocol, which is used by management tools such as VNC

ESXi 5.x

5988

TCP

CIM Server

ESXi Host

CIM transactions over HTTP

ESXi 5.x

443

TCP

ESXi

vCenter Server

Deploy VIBs for NSX

ESXi 5.x

5989

TCP

vCenter Server

ESXi Host

CIM XML transactions over HTTPS

ESXi 5.x

5989

TCP

ESXi 5.x

vCenter Server

CIM XML transactions over HTTPS

ESXi 5.x

8000

TCP

ESXi 5.x (VM Target)

ESXi (VM Source)

Requests from vMotion

ESXi 5.x

8000

TCP

ESXi 5.x (VM Source)

ESXi (VM Target)

Requests from vMotion

ESXi 5.x

808,100

TCP/UDP

ESXi 5.x

ESXi Host

Traffic between hosts for vSphere Fault Tolerance (FT)

ESXi 5.x

8182

TCP/UDP

ESXi 5.x

ESXi Host

Traffic between hosts for vSphere High Availability (vSphere HA)

ESXi 5.x

8200

TCP/UDP

ESXi 5.x

ESXi Host

Traffic between hosts for vSphere Fault Tolerance (FT)

ESXi 5.x

8301

UDP

ESXi 5.x

ESXi Host

DVS Port Information

ESXi 5.x

8302

UDP

ESXi 5.x

ESXi Host

DVS Port Information

ESXi 5.x

31000

TCP

SPS Server

vCenter Server

Internal Communication Port

ESXi 6.x

9

UDP

vCenter Server

Virtual Volumes

Used by the Virtual Volumes feature

ESXi 6.x

22

TCP

SSH Client

ESXi Host

Required for SSH access

ESXi 6.x

53

UDP

ESXi Host

DNS Server

DNS client

ESXi 6.x

68

UDP

DHCP Server

ESXi Host

DHCP client for IPv4

ESXi 6.x

80

TCP

Web Browser

ESXi Host

Welcome page, with download links for different interfaces

ESXi 6.x

161

UDP

SNMP Server

ESXi Host

Allows the host to connect to an SNMP server

ESXi 6.x

427

TCP/UDP

CIM Server

ESXi Host

The CIM client uses the Service Location Protocol, version 2 (SLPv2) to find CIM servers

ESXi 6.x

443

TCP

vSphere Web Client

ESXi Host

Client connections

ESXi 6.x

546

TCP/UDP

DHCP Server

ESXi Host

DHCP client for IPv6

ESXi 6.x

547

TCP/UDP

ESXi Host

DHCP Server

DHCP client for IPv6

ESXi 6.x

902

TCP/UDP

VMware vCenter Agent

ESXi Host

vCenter Server agent

ESXi 6.x

2233

TCP

ESXi Host

vSAN Transport

Used for RDT traffic (Unicast peer to peer communication) between vSAN nodes.

ESXi 6.x

3260

TCP

ESXi Host

Software iSCSI Client

Supports software iSCSI

ESXi 6.x

5671

TCP

ESXi Host

rabbitmqproxy

A proxy running on the ESXi host that allows applications running inside virtual machines to communicate to the AMQP brokers running in the vCenter network domain. The virtual machine does not have to be on the network, that is, no NIC is required. The proxy connects to the brokers in the vCenter network domain. Therefore, the outgoing connection IP addresses should at least include the current brokers in use or future brokers. Brokers can be added if customer would like to scale up.

ESXi 6.x

########

TCP

CIM Server

ESXi Host

Server for CIM (Common Information Model)

ESXi 6.x

5989

TCP

CIM Secure Server

ESXi Host

Secure server for CIM

ESXi 6.x

6999

UDP

NSX Distributed Logical Router Service

ESXi Host

NSX Virtual Distributed Router service. The firewall port associated with this service is opened when NSX VIBs are installed and the VDR module is created. If no VDR instances are associated with the host, the port does not have to be open.This service was called NSX Distributed Logical Router in earlier versions of the product.

ESXi 6.x

8000

TCP

ESXi Host

ESXi Host

vMotion

ESXi 6.x

8080

TCP

vSANvp

ESXi Host

vSAN VASA Vendor Provider. Used by the Storage Management Service (SMS) that is part of vCenter to access information about vSAN storage profiles, capabilities, and compliance. If disabled, vSAN Storage Profile Based Management (SPBM) does not work.

ESXi 6.x

########

TCP\UDP

Fault Tolerance

ESXi Host

Traffic between hosts for vSphere Fault Tolerance (FT).

ESXi 6.x

########

UDP

DVSSync

ESXi Host

DVSSync ports are used for synchronizing states of distributed virtual ports between hosts that have VMware FT record/replay enabled. Only hosts that run primary or backup virtual machines must have these ports open. On hosts that are not using VMware FT these ports do not have to be open.

ESXi 6.x

12345, 23451

UDP

ESXi Host

vSAN Clustering Service

Cluster Monitoring, Membership, and Directory Service used by vSAN.

ESXi 6.x

443

TCP

ESXi Host

vCenter Server

Deploy VIBs for NSX

ESXi 6.x

44046, 31031

TCP

ESXi Host

HBR

Used for ongoing replication traffic by vSphere Replication and VMware Site Recovery Manager.

ESXi Dump Collector

6500

UDP

ESXi

vCenter Server

Network coredump server

ESXi Dump Collector

8000

TCP

ESXi

vCenter Server

Network coredump web port

ESXi Syslog Collector

8001

TCP

ESXi

vCenter Server

Network syslog server

Detectable by VMware SkylineTM

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End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

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