Users Guide

Table 6. Ports and protocols that are supported in OME-Modular
Port number Protocol Port type Maximum
encryption
level
Source Direction Destination Usage
22 SSH TCP 256-bit External
application
In OME-Modular Required for
incoming only
if FSD is used.
OME-Modular
administrator
must enable
this port only
while
interacting
with Dell
EMC.
25 SMTP TCP None OME-Modular Out External
Application
To receive
email alerts
from
OpenManage
Enterprise.
53 DNS UDP/TCP None OME-Modular Out External
Application
For DNS
Queries
80 HTTP TCP None External
Application
In OpenManage
Enterprise
Modular
The Web GUI
landing page.
Will redirect a
user to
HTTPS.
123 NTP UDP None OME-Modular Out NTP Server Time
synchronizati
on (if
enabled).
137, 138, 139,
445
CIFS UDP/TCP None OME-Modular Out CIFS Share To import
firmware
catalogs from
CIFS share.
161* SNMP UDP None External
Application
In OpenManage
Enterprise
Modular
For SNMP
queries.
162 SNMP UDP None External
Application
In/Out OpenManage
Enterprise
Modular
Send SNMP
traps and
receive
Informed
Request.
443 HTTPS TCP 128-bit SSL External
Application
In/Out OpenManage
Enterprise
Modular
Web GUI. To
download
updates and
warranty
information
from dell.com.
The 256-bit
encryption is
enabled while
communicatin
g with OME-
Modular by
using the
HTTPS
protocol for
Logging in to OME-Modular 45