Reference Guide
Dell Command Monitor OpenManage Client 
Instrumentation
Table 8. Supported Protocols and Ports
Port Number Protocols Port Type Version Maximum 
Encryption 
Level
Direction Usage Congurable
20 HTTP and FTP TCP 7.x None In/Out Flash BIOS 
communication
No
21 HTTP and FTP TCP 7.x None In/Out Flash BIOS 
communication
No
80 HTTP and FTP TCP 7.x None In/Out Flash BIOS 
communication
No
135 DCOM TCP/UDP 7.x, 8.x None In/Out Monitoring and 
conguration 
through WMI
No
135 DCOM TCP 7.x, 8.x None Out Event 
transmission 
through WMI
No
161 SNMP UDP 8.1 None In/Out SNMP query 
management
No
162 SNMP UDP 8.1 None Out SNMP trap 
event
No
1024-65535 
(Dynamically 
assigned)
DCOM TCP/UDP 7.x, 8.x None In/Out Monitoring and 
conguration 
through WMI
OpenManage Baseboard Management Utility
Table 9. Supported Protocols and Ports
Port Number Protocols Port Type Version Maximum 
Encryption 
Level
Direction Usage Congurable
623 Telnet TCP 1.x None In/Out Accepts 
incoming 
Telnet 
connections
Yes
623 RMCP UDP 1.x None In/Out Basic BMC 
commands: 
server status, 
power up/
down, and so 
on.
No
12 Ports










