Users Guide

Table Of Contents
Port
Number
Protocol Port
Type
Maximum
Encryption Level
Direction Usage
3389 RDP TCP 128-bit SSL In/Out Contextual application launch — Remote desktop
to Windows terminal services.
5900–5901 Proprietary TCP None In/Out iDRAC virtual media service.
5900–5901 Proprietary TCP None In/Out iDRAC console redirection.
6389 Proprietary TCP None In/Out Enables communication between a host system
(through NaviCLI/NaviSec CLI or Navisphere
host agent) and a Navisphere Array Agent on a
Storage system.
Firewall Rules
The following sections provide information about the protocols and ports used in communication between various components.
NOTE: For more information on the restricted network access, see the OpenManage Essentials ports white paper at
DellTechCenter.com/OME.
Dell OpenManage Essentials
Table 239. Dell OpenManage Essentials
To Protocol Port
Type
Port Number Description
ftp.dell.com FTP TCP 20, 21 OpenManage Essentials or Dell Repository
Manager — BIOS or firmware bundles
UDP 20
HTTP TCP 80
api.dell.com HTTPS_REST_SSL TCP 443 OpenManage Essentials or Dell SupportAssist
— Support case integration
SMTP server SMTP TCP 25 Email notification
DNS SERVER DNS TCP 53 Domain name resolution
UDP 53
CMC HTTPS_WSMAN TCP 443 Web service management of CMC
CMC HTTP TCP 80 Web access to CMC
CMC SSH TCP 22 Remote CLI to CMC
TELNET TCP 23
CMC SNMP UDP 161 SNMP management
DRAC or Lifecycle
Controller
HTTPS_WSMAN TCP 443 Web service management of DRAC and
Lifecycle Controller
DRAC or Lifecycle
Controller
HTTP TCP 80 Web access to DRAC
DRAC or Lifecycle
Controller
SSH TCP 22 Remote CLI to DRAC
TELNET TCP 23
321