Reference Guide

Table 3. Outbound ports (continued)
Port number Layer 4 Protocol Service
448 TCP Data Protection Search Admin REST API
464 TCP, UDP Kerberos
514 TCP, UDP rsh
587 TCP SMTP
636 TCP, UDP LDAPS
902 TCP VMware ESXi
2049 TCP, UDP NFS
2052 TCP, UDP mountd, clearvisn
3009 TCP Data Domain REST API
Inbound ports
The inbound ports that are available to be used by a remote system when connecting to Dell System Update remote.
The ports that are listed in the following table are the Dell System Update inbound ports.
Table 4. Inbound ports
Port number Layer 4 Protocol Service
22 TCP SSH
80 TCP HTTP
443 TCP HTTPS
135 TCP WMI
Data security
DSU does not store any data in databases also from input dependencies libraries. DSU uses certificates for secure HTTP access
(HTTPS). By default, DSU installs GPG keys and uses the self-signed certificate for the HTTPS secure transactions. For better
security, it is recommended to use the Certificate Authority (CA) signed or custom certificates.
Auditing and logging
DSU administration console generate all the relevant logs in default location or user provided location. DSU supports Log file
retention , compression and file rollover. Log file sizes are defined to 5 MB limit. A descriptive and clear log messages are
provided. For more information about Troubleshooting, Log files, see the Dell EMC System Update User's Guide available at
dell.com/support
Serviceability
The support website https://www.dell.com/support provides access to licensing information, product documentation,
advisories, downloads, and troubleshooting information. This information helps you to resolve a product issue before you contact
support team.
Special login is not required to Dell EMC System Update for service personnel. If the troubleshooting bundle is not sufficient, the
personnel can enable the root user to collect more information.
Ensure that you install security patches and other updates when they are available, including the Dell EMC System Update.
Product and Subsystem Security
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