Nutanix CVM internal ports and services for communications

NUTANIX CVM INTERNAL PORTS AND SERVICES FOR COMMUNICATIONS

A port number is always associated with an IP address of a CVMs (Controller VMs) and the type of associated services or process used for communication(Network & IPMI ports).
This article shows the ports utilized by the CVMs (Controller VMs) and the related services used in Nutanix Clusters.

Below is a list of ports used by the CVMs (Controller VMs) and the associated service.

Port for CVM-CVM external access.

Sr.No	Ports	Descriptions
1	2100	Cluster and IP address configuration
2	2009 & 2020	Remote site replication
3	80 or 8443	Remote support tunnel (outgoing connection to service centers nsc01.nutanix.net and nsc02.nutanix.net)
4	9440	Management interface (web console, nCLI)
5	2010	Curator

Port for CVM-CVM Internal access.

SR.No	Ports	Descriptions
1	1-1500	System ports
2	2007	Catalog
3	2009	Stargate
4	2010	Curator
5	2011	Chronos Master
6	2012	Chronos Node
7	2013	Transfer Manager
8	2014	Alert Manager
9	2015	Deduplicated Object Store
10	2016	Pithos
11	2017	Stats Aggregator Monitor
12	80/2019	Prism Monitor port
13	2020	Cerebro
14	2021	Cerebro Reverse Connection Server
15	2022	Janus
16	2023	Stats Aggregator
17	2025	Arithmos (NDFS Cluster)
18	2025	Insights Proxy (Multicluster)
19	2026	Block Store Server
20	2027	Insights DB Server
21	2028	Insights Receiver
22	2029	Insights Uploader
23	2030	Hyperint OR Acropolis
24	2031	Hyperint Monitor
25	2032	Hyperint JMX
26	2033	Acropolis Hyperint slave
27	2035	Arithmos (Multicluster)
28	2036	Anduril
29	2037	Uhura
30	2038	Lazan
31	2039	Metropolis
32	2040	Cassandra Monitor http port
33	2041	Dynamic ring changer http port
34	2042	Nusights Server
35	2043	Nusights DB Server
36	2044	Nusights Server Debug Port
37	2045	Nusights Fluent-bit log collector monitoring port
38	2049	Mount/NFS RPC service
39	2050	Microsegmentation service
40	2051	Flow service
41	2055	Vulcan service
42	2060	Atlas SDN Controller Service
43	2070	Magneto service
44	2073	Nutanix Guest Tools
45	2074	Nutanix Guest Tools Guest Server
46	2075	Connection Splicer Http port
47	2077	Kanon
48	2080	Delphi
49	2088	Orion Service
50	2090	Ergon
51	2099	Hades
52	2100	Genesis
53	2101	NCC HTTP server for file upload to host
54	2102	Upgrade finish script server
55	2103	Cluster Sync RPC Server
56	2303	Athena service
57	2333	Search service
58	2337	Apps server
59	2525	SMTP tunnel to Nutanix
60	2601	R server old port
61	2602	Capacity Planning sizer service port
62	2605	Analytics rest server
63	2606-2610	R server ports
64	2700	Cluster health server
65	2800	Neuron server
66	2888	Zookeeper peer port (inter-node traffic)
67	3025	zookeeper
68	3000-3099	SSH tunnel entry ports to remote Cerebro
69	3205	Stargate iSCSI (iSNS Server Port)
70	3260	Stargate iSCSI adapter
71	3261	Stargate iSCSI adapter
72	3262	Stargate iSCSI adapter
73	3888	Zookeeper leader election port
74	4000-4099	SSH tunnel entry ports to remote Prism
75	4100-4300	nuCalm reserved ports
76	4789	VXLAN
77	5000	logbayd service port
78	5050	Nusights Receiver port
79	5432	nuCalm Postgresql port
80	5500-6500	X/VNC ports
81	5988/5989	Open Pegasus (CIM Server) HTTP/HTTPS ports resp
82	6379	nuCalm Redis port
83	7000	Cassandra internal storage port
84	7501	Minerva CVM RPC service port
85	7502	Minerva NVM RPC service port
86	7503	Minerva Store RPC service port
87	7504	Minerva Diagnostics Server Page
88	7505	Minerva Local Vscand RPC service port
89	7506	Minerva Remote Vscand RPC service port
90	7777	Apache2 (serving Nagios)
91	7778	NRPE (Nagios agents)
92	8000	Foundation
93	8050	Placement solver service port
94	8080	Cassandra JMX
95	8081	Cassandra JMX HTTP
96	8090	Epsilon Karan port
97	8844	X-Ray
98	9005	Tomcat shutdown port
99	9041	Metis platform qualification
100	9080	Tomcat connector that hosts Prism
101	9081	Host agent HTTP server
102	9082	Stats subscriber port
103	9160	Cassandra Thrift RPC
104	9161	Cassandra Proto RPC
105	9440	Local Http(s) redirect port for Prism
106	9443	Secure Tomcat connector that hosts Prism
107	9444	Intent gateway
108	9445	ABAC service
109	9446	Kafka service
110	9447	Aplos Engine service
111	9449-9460	Reserved for future intent services
112	9461	Cluster Config service
113	9876	Zookeeper
114	9877	Zookeeper monitor
115	9880	Mantle port for clients and peers.
116	9999	Cadmus listening for Netflow stats
117	2888	Zookeeper peer port (inter-node traffic)
118	3888	Zookeeper leader election port
119	12000-12099	VMFS ISCSI request ports
120	13000	Neighbour Discovery (NDP)
121	17000-19999	Tests
122	48103	Axiom
123	62000-62999	ISCSI Target ports for Shared LUNs
124	32768-60999	System ports*
125	2010	curator

Nutanix default ports can be found in using command line.

nutanix@NTNX-HOSTD-CVM:~$ cat /home/nutanix/config/salt_templates/base_config.json

Some Common Network port numbers and protocols

Sr.No	Port	Desciption
1	194	Internet Relay Chat (IRC)
2	20	File Transfer Protocol (FTP) for Data Transfer
3	22	Secure Shell (SSH) for Secure remote Login
4	53	Domain Name System (DNS) service for host resolution
5	21	File Transfer Protocol (FTP) Command Control(file over the netwrork)
6	161	Simple Network Management Protocol (SNMP)
7	160	Simple Network Management Protocol (SNMP) TRAP
8	123	Network Time Protocol (NTP) for central time server
9	25	Simple Mail Transfer Protocol (SMTP) for E-mail routing
10	143	Internet Message Access Protocol (IMAP) Management of digital mail
11	110	Post Office Protocol (POP3)
12	23	Telnet remote login service, unencrypted text messages or port check
13	67 and 68	Dynamic Host Configuration Protocol (DHCP) server
14	119	Network News Transfer Protocol (NNTP)
15	49	Login Host Protocol (Login)
16	119	Newsgroup (NNTP)
17	156	SQL Server
18	1080	SOCKs
19	389	Lightweight Directory Access Protocol (LDAP)
20	150	NetBIOS Session Service
21	42	Host Name Server (Nameserv)
22	49	Login Host Protocol (Login)
23	7	ECHO
24	1	TCP Port Service Multiplexer (TCPMUX)
25	197	Directory Location Service (DLS)

FIREWALL PORT REQUIREMENTS FOR IPMI, BMC IDRAC

Sr. No	Interface	Network Ports
1	IPMI	623 (UDP)
2	AHV console	2937 (TCP)
3	HTTP	80 (TCP)
4	HTTPS	443 (TCP)
5	Remote console (AHV over IP)	5900 (TCP)
6	SMASH	22 (TCP)
7	Remote console	5900 (TCP)
8	WS-MAN	8889 (TCP)
9	Floppy (remote console)	5123 (TCP)
10	Video (remote console)	5901 (TCP)
11	Virtual media	623 (TCP)
12	CD (remote console)	5120 (TCP)
13	SSH to virtual media	5120 (TCP)

Reference :-

• https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
• https://www.cisco.com/c/en/us/td/docs/routers/access/1800/1801/software/configuration/guide/scg/tcpports.html
• https://opensource.com/article/18/10/common-network-ports

Also see AHV Networking