Port Number Protocols Port Type Direction Usage Configurable
(for IT Assistant
or Dell
OpenManage
Essentials).
Remote
Software
Update feature
(for Linux
operating
systems.)
25 SMTP TCP In/Out Optional e-mail
alert messages
from Server
Administrator
No
135 RPC TCP/ In/Out CIM
management
queries
No
135 RPC TCP/ In/Out Remote Server
Administrator
Command Line
(for IT Assistant
or Dell
OpenManage
Essentials).
Remote
software
update feature
(for Windows
operating
systems.)
No
139 NetBIOS TCP In/Out Remote Server
Administrator
Command Line
(for IT Assistant
or Dell
OpenManage
Essentials).
Remote
Software
Update (for
Windows
operating
systems.)
No
161 SNMP UDP In/Out SNMP query
management
No
14