Ports used by iLO features

Network settings and ports

The values listed in Table 1: Network settings and ports configurable through iLO can be configured to comply with site requirements or security initiatives. These settings can be configured on the iLO Access Settings page.

Table 1: Network settings and ports configurable through iLO
Description	Default Setting or Port	Protocol type
IPMI/DCMI over LAN port	623	UDP
IPMI/DCMI over LAN Specifies whether to allow IPMI/DCMI communications over the LAN with iLO.	Disabled
Remote Console Port	17990	TCP
Remote Console Allows you to enable or disable access through the iLO remote consoles.	Enabled
Secure Shell (SSH) Port	22	TCP
Secure Shell (SSH) Allows you to enable or disable the SSH feature. SSH provides encrypted access to the iLO command-line protocol (CLP).	Enabled
SNMP Port	161	UDP
SNMP Trap Port	162 for SNMP alerts (outgoing only).	UDP
SNMP Specifies whether iLO responds to external SNMP requests.	Enabled
Virtual Media Port	17988	TCP
Virtual Media Enables you to specify whether virtual media is enabled or disabled.	Enabled
Web Server Non-SSL Port (HTTP)	80	TCP
Web Server SSL Port (HTTPS)¹	443	TCP
Web Server² Allows you to enable or disable access through the iLO web server.	Enabled

¹

Setting this value to 443 is required for direct connect Remote Support.

²

Supports the iLO web interface, remote console, iLO RESTful API, iLO Federation, firmware updates, and RIBCL.

Security administrators might need to know the ports listed in Table 2: Other ports used by iLO. These ports are for outgoing third-party services.

Table 2: Other ports used by iLO
Description	Default port	Protocol type	Location in iLO web interface
DNS Resolution	53	UDP	N/A
iLO Federation/SSDP Multicast	1900	UDP	N/A
DHCPv4	67, 68	UDP	N/A
DHCPv6	547	UDP	N/A
NTP	123	UDP	N/A
WINS	42	UDP	N/A
Kerberos KDC Server Port	88	TCP, UDP	Security > Directory
Directory Server LDAP SSL Port	636	TCP	Security > Directory
AlertMail SMTP Port	25	TCP	Management > AlertMail
Remote Syslog Port	514	UDP	Management > Remote Syslog
Key Manager Port	9000	TCP	Administration > Key Manager
Remote Support Port	7906	TCP	Remote Support > Registration

iLO does not support the commonly used ports listed in Table 3: Unsupported ports.

Table 3: Unsupported ports
Description	Port	Protocol type	Notes
LDAP-unsecured Connection (TCP) Connectionless (UDP)	389	TCP/UDP	iLO uses secure port 636 for outgoing LDAP connections.
Global Catalog LDAP-unsecured Connection (TCP) Connectionless (UDP)	3268	TCP/UDP	iLO uses secure LDAP connections.