Ports and Protocols Reference Chart

  • 23 October 2021
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Ports and Protocols

The Ports and Protocols Reference allows you to determine ports requirements for multiple Nutanix products and services in a single pane. This document is divided into several sections based on the required ports for each product or service.

Ports and Protocols Reference covers detailed port information (like protocol, service description, source, destination, and associated service) for the following products and services.

Note: Note: The existing port information in this document is based on the latest product release. Updates to this document is made with major release of products.

1-click Upgrade

Port Number

Description

Source

Destination

Bi-Directional

Transfer Protocol

Service

Default or custom port number

Brief description on the port usage

IP Address or domains of the service from which the connection must be established

IP Address or domain of the service to which the connection must be established

Communication direction is bi-directional

Transport protocol used for communication

Mapping of port to service

80

Allow this port in Firewall for 1-click Upgrade.

Controller VM or Prism Central

*.compute-*.amazonaws.com

 

TCP

HTTP

443

Allow this port in Firewall for 1-click Upgrade.

Controller VM or Prism Central

*.compute-*.amazonaws.com

 

TCP

HTTPS

80

Allow this port in Firewall for 1-click Upgrade.

Controller VM or Prism Central

release-api.nutanix.com

 

TCP

HTTP

80, 443

Allow this port in Firewall for 1-click Upgrade.

Controller VM or Prism Central

ntnx-portal.s3.amazonaws.com

 

TCP

HTTP, HTTPS

80, 443

Allow this port in Firewall for 1-click Upgrade.

Controller VM or Prism Central

s3*.amazonaws.com

 

TCP

HTTP, HTTPS

80, 443

Allow this port in Firewall for 1-click Upgrade.

Controller VM or Prism Central

download.nutanix.com

 

TCP

HTTP, HTTPS

AHV

Port Number

Description

Source

Destination

Bi-Directional

Transfer Protocol

Service

Default or custom port number

Brief description on the port usage

IP Address or domains of the service from which the connection must be established

IP Address or domain of the service to which the connection must be established

Communication direction is bi-directional

Transport protocol used for communication

Mapping of port to service

9440

Management traffic to and from Prism Web Console and SSH console for nCLI

Controller VM or Prism Central

Controller VM or Prism Central

Yes

TCP

SSH

80

Remote Support Tunnel

Controller VM or Prism Central

nsc01.nutanix.net, nsc02.nutanix.net

Yes

TCP

HTTP

8443

Remote Support Tunnel

Controller VM or Prism Central

nsc01.nutanix.net, nsc02.nutanix.net

Yes

TCP

HTTPS

2100

Cluster and IP address configuration

Clients accessing the cluster where Nutanix Volumes is enabled

Controller VM and Prism Element

Yes

TCP/UDP

SSH

Configurable

Used to export IPFIX messages to a remote collector

IPFIX Exporter

Remote Host

 

TCP/UDP

0

22

Used by Acropolis to connect to libvirt's listening Unix socket by using SSH

Acropolis

libvirt daemon

 

TCP

SSH

3261

Used for storage traffic

iSCSI Redirector, qemu-kvm, frodo

stargate:iscsi

 

TCP

iSCSI

123

Used to sync host time with the Internet time servers

Network Time Protocol daemon (ntpd)

NTP Server

 

UDP

DNS, NTP

53

Whenever any AHV service makes an outbound connection using a name instead of an IP address, a connection is made to the DNS server to get the IP address

AHV host

DNS Server

 

UDP

DNS

49152 to 49215

Used for TCP migration stream that uses TCP across hosts

qemu-kvm

qemu-kvm

Yes

UDP

0

22

Used for peer-to-peer migration

libvirt daemon

libvirt daemon

Yes

TCP

SSH

Configurable

Used to add or update remote system logs

syslog daemon

Remote Host

 

UDP

0

9446

Used by conntrack_stats_collector to connect to Prism Central to publish the push model information

conntrack_stats_collector

Prism Central

 

TCP

Stats collector

Configurable

Used to query or modify the OVS configuration.

ovn-controller

OVS Database Server (ovsdb-server)

 

TCP/UDP

0

AOS

Port Number

Description

Source

Destination

Bi-Directional

Transfer Protocol

Service

Default or custom port number

Brief description on the port usage

IP Address or domains of the service from which the connection must be established

IP Address or domain of the service to which the connection must be established

Communication direction is bi-directional

Transport protocol used for communication

Mapping of port to service

389

Default LDAP Port in AOS The URL format for an LDAP entry is: ldap://host:ldap_port_num. The host value is either the IP address or fully qualified domain name.

Clients accessing the cluster where Nutanix Volumes is enabled

Active Directory or Prism Element OpenLDAP Servers

Yes

TCP

LDAP

636

LDAPS port in AOS: Use this port number when the configuration is single domain, single forest, and not using SSL. The URL format for an LDAP entry is: ldap://ad_server.mycompany.com:389

Clients accessing the cluster where Nutanix Volumes is enabled

Active Directory or Prism Element OpenLDAP Servers

Yes

TCP

LDAPS

3268

Use this port number when the configuration is multiple domain, single forest, and not using SSL.

Clients accessing the cluster where Nutanix Volumes is enabled

Active Directory or Prism Element OpenLDAP Servers

Yes

TCP

LDAP

3269

Use this port number when the configuration is multiple domain, single forest, and using SSL.

Clients accessing the cluster where Nutanix Volumes is enabled

Active Directory or Prism Element OpenLDAP Servers

Yes

TCP

LDAP

5696

The default port where the key management server is configured to listen for the KMIP protocol

Prism Element data service and Controller VM

Key Management Server

Yes

TCP

KMIP

 


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