Dell EMC PowerFlex Appliance Administration Guide

Port	Protocol	Port type	Direction	Use
22	SSH	TCP	Inbound/outbound	I/O module SSH with root account is disabled by default
22, 80, 135	N/A	TCP/IP	Outbound	Duplicate IP detection
53	DNS	UDP	Outbound	DNS server
67, 68	DHCP	UDP	Outbound	DHCP server
69	TFTP	UDP	Inbound	Firmware updates TFTP is used only for operating system installation (PXE) boot when provisioning servers
80, 8080	HTTP	TCP	Inbound/outbound	HTTP communication All traffic is redirected to HTTPs
111	rpcbind	TCP	Inbound/outbound	NFS
123	NTP	UDP	Outbound	Time synchronization
162, 11620	SNMP	UDP	Inbound	SNMP synchronization
389	LDAP	TCP/UDP	inbound/outbound	use this port for unsecured and unencrypted LDAP transmission
443	HTTPs	TCP	Inbound/outbound	Secure HTTP communication SSL v3, TLS v1.0, and TLS v1.1 are disabled
443, 4433	WS-MAN	TCP	Outbound	iDRAC and CMC communication
139, 445	CIFS	TCP	Inbound/outbound	Back up to CIFS share
514	rsyslog	TCP	Outbound	Remote syslog server communication
636	LDAP SSL	TCP/UDP	inbound/outbound	LDAPS is a secure version of the LDAP where LDAP communication is transmitted over an SSL tunnel
2049	NFS	TCP/UDP	Inbound/outbound	Back up to NFS share
4002, 4003	NFS	TCP/UDP	Inbound/outbound	nlockmgr and mountd
8140	Puppet over HTTPs	TCP	Inbound	New node provisioning
9443	HTTPS	TCP	Outbound	Secure Remote Services gateway communication

PowerFlex Manager ports and protocols