Setup Guide

VPN connections are established between your location and two Dell Technologies sites in an active/active configuration where
all connections are always active for high availability and disaster recovery. Dell Technologies Managed Services uses VPN for
the following services:
Remote managementUsed for secure management and support of your APEX Data Storage Services using Remote
Desktop sessions.
MonitoringRemote support teams monitor your APEX Data Storage Services for alerts and if found, take appropriate
action.
TelemetryData is gathered for capacity usage, performance, and compliance with specified metrics and controls.
VPN connections are secured using the IPSEC industry standard protocol.
Port usage
Work with Dell Technologies Managed Services to configure your network and firewall so that managed services work properly
with your offer.
Table 3. Port usage
Port Service Protocol Access Direction Purpose
- ICMP - - DTMS troubleshooting
- IPSEC, IKE - - VPN communications
20 FTP TCP Outbound Port used for FTP data transfers. This port can be
opened by enabling FTP. Authentication is performed
on port 21 and defined by the FTP protocol.
21 FTP TCP Inbound Control port on which the FTP service listens for
incoming FTP requests.
22 SSH, SupportAssist, connect
home, SFTP, DTMS-Managed
server
TCP Bi-directional Allows SSH access (if enabled).
25 SMTP, DTMS-Managed server TCP Outbound Allows the appliance to send email. If closed, email
notifications are unavailable.
26 SSH, SupportAssist, connect
home, SFTP, DTMS-Managed
Server
TCP Bi-directional SSH access to port 22 is redirected to this port.
If closed, management connections using SSH are
unavailable.
53 DNS TCP/UDP Outbound Used to make DNS queries to DNS nameservers.
80 HTTP TCP Bi-directional vSphere Web Client, used for SupportAssist proxy
connection.
123 NTP TCP/UDP Outbound NTP time synchronization.
443 HTTPS, DTMS-Managed
Server
TCP Bi-directional Secure access to PowerStore Manager. If closed,
communication with the appliance is unavailable. Also
used for DTMS Management server access.
587 SMTP, DTMS Manager server TCP Outbound Allows the appliance to send email. if closed, email
notifications are unavailable.
3260 iSCSI TCP/UDP Bi-directional Required to provide the following access to iSCSI
services:
External host iSCSI access
External or PowerStore embedded ESXi host
iSCSI access
Inter-cluster access for replication
Storage import access from legacy EqualLogic
Peer Storage, Dell Compellent Storage Center,
Unity, and VNX2 systems.
If closed, iSCSI services are unavailable.
10 Site Planning