Overview

Contributors

A number of well-known ports are reserved for ONTAP communications with specific services. Port conflicts will occur if a port value in your storage network environment is the same as on ONTAP port.

The following table lists the TCP ports and UDP ports that are used by ONTAP.

Service Port/Protocol Description

ssh

22/TCP

Secure shell login

telnet

23/TCP

Remote login

DNS

53/TCP

Load Balanced DNS

http

80/TCP

Hyper Text Transfer Protocol

rpcbind

111/TCP

Remote procedure call

rpcbind

111/UDP

Remote procedure call

ntp

123/UDP

Network Time Protocol

msrpc

135/UDP

MSRPC

netbios-ssn

139/TCP

NetBIOS service session

snmp

161/UDP

Simple network management protocol

https

443/TCP

HTTP over TLS

microsoft-ds

445/TCP

Microsoft-ds

mount

635/TCP

NFS mount

mount

635/UDP

NFS Mount

named

953/UDP

Name daemon

nfs

2049/UDP

NFS Server daemon

nfs

2049/TCP

NFS Server daemon

nrv

2050/TCP

NetApp Remote Volume protocol

iscsi

3260/TCP

iSCSI target port

lockd

4045/TCP

NFS lock daemon

lockd

4045/UDP

NFS lock daemon

NFS

4046/TCP

Network Status Monitor

NSM

4046/UDP

Network Status Monitor

rquotad

4049/UDP

NFS rquotad protocol

krb524

4444/UDP

Kerberos 524

mdns

5353/UDP

Multicast DNS

HTTPS

5986/UDP

HTTPS Port - Listening binary protocol

https

8443/TCP

7MTT GUI Tool through https

ndmp

10000/TCP

Network Data Management Protocol

Cluster peering

11104/TCP

Cluster peering

Cluster peering

11105/TCP

Cluster peering

NDMP

18600 - 18699/TCP

NDMP

cifs witness port

40001/TCP

cifs witness port

tls

50000/TCP

Transport layer security

iscsi

65200/TCP

ISCSI port