The following table lists the ports that are required to remotely access iDRAC through firewall. These are the default ports iDRAC listens to for connections. Optionally, you can modify most of the ports. To modify ports, see Configuring services on page 93.
Table 1. Ports iDRAC listens for connections
Port number
Type
Function
Configurable Port
Maximum Encryption Level
22
TCP
SSH
Yes
256-bit SSL
80
TCP
HTTP
Yes
None
161
UDP
SNMP Agent
Yes
None
443
TCP
HTTPS
Yes
256-bit SSL
623
UDP
RMCP/RMCP+
No
128-bit SSL
5000
TCP
iDRAC to iSM
No
256-bit SSL
NOTE:Maximum encryption level is 256-bit SSL if both iSM 3.4 or higher and iDRAC firmware 3.30.30.30 or higher are installed.
5900
TCP
Virtual console keyboard and mouse redirection, Virtual Media, Virtual folders, and Remote File Share
Yes
128-bit SSL
5901
TCP
VNC
Yes
128-bit SSL
NOTE:Port 5901 opens when VNC feature is enabled.
The following table lists the ports that iDRAC uses as a client:
Table 2. Ports iDRAC uses as client
Port Number
Type
Function
Configurable Port
Maximum Encryption Level
25
TCP
SMTP
Yes
None
53
UDP
DNS
No
None
68
UDP
DHCP-assigned IP address
No
None
69
TFTP
TFTP
No
None
123
UDP
Network Time Protocol (NTP)
No
None
162
UDP
SNMP trap
Yes
None
445
TCP
Common Internet File System (CIFS)
No
None
636
TCP
LDAP Over SSL (LDAPS)
No
256-bit SSL
2049
TCP
Network File System (NFS)
No
None
3269
TCP
LDAPS for global catalog (GC)
No
256-bit SSL
5353
UDP
mDNS
No
None
5696
TCP
Key Management Server (SEKM)
Yes
256-bit SSL
NOTE:When node-initiated discovery or Group Manager is enabled, iDRAC uses mDNS to communicate through port 5353. However, when both are disabled, port 5353 is blocked by iDRAC's internal firewall and appears as open|filtered port in the port scans.
514
UDP
Remote syslog
Yes
None
6514
TCP
Remote syslog
Yes
256-bit SSL
Ports Internally used by iDRAC (These cannot be changed by the end user and cannot be used for other purposes).
4200
4201
4202
4203
4204
4205
TCP
Redfish Internal Ports
No
None
4300
4301
4400
TCP
Authorizer Internal Ports
No
None
5200
5201
TCP
GUI and RACADM Internal Ports
No
None
5555
5556
TCP
Internal Ports for IPC
No
None
199
UDP
SNMP daemon
No
None
5905
5951
TCP
VNC Vmedia/Vconsole
No
None
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