Univention Corporate Server 5.0-7

Univention Corporate Server (UCS) 5.0-7, the seventh patch-level release for
Univention Corporate Server (UCS) 5.0, is now available. It encompasses all
errata, bug fixes, and security updates released since version 5.0-6,
including updates for OpenSSH, MariaDB, and the Linux kernel. Additionally, an
exciting new feature has been introduced: the blocking of previously used
values in UDM.

UCS 5.0-7 is available for update in the "Software Update" module and can be
downloaded from our download area.

Blocklist for UDM

A new feature in UCS is "blocklists" for the Univention Directory Manager
(UDM). This feature allows UDM to block previously used values for specific
attributes. One possible use case would be preventing the unintentional reuse
of an email address, which could potentially lead to one user accessing
another user's emails: a user had the email address "smith@company.com," then
leaves the company, and their account is deleted. Shortly after, a new user
"smith" is created. Now, UDM can prevent the creation because
"smith@company.com" would be used as the email address again.
Blocking old email addresses occurs automatically when the feature is
activated (it is initially deactivated) and the corresponding blocklists are
created. The blocklists can also be managed with a UMC module.

The feature is documented here.

Further Package Updates

We have brought 29 security updates from Debian to UCS, as well as over 50
updates for Univention's own packages.
This includes support for special characters for certain objects in UDM, such
as the "+" in the name of a container, which previously caused problems in the
AD connector. Additionally, we have resolved issues with DNS lookups in the
system setup, and in the Fetchmail integration, the configuration file
creation has been made significantly more stable.

We have increased the robustness and speed of joining new UCS systems to a
domain with updates in the Samba4 connector, LDAP replication, and the
Univention Directory Listener. Particularly, large environments should benefit
from these changes.
Additionally, the initial steps have been taken to make our packages
"Kubernetes-ready". Aspects such as logging or database connections need to be
handled differently in various environments.

Patchlevel Releases every three months

UCS 5.0-7 can now be deployed, while we will continue to provide security
updates for UCS 5.0-6 for another 12 weeks. However, administrators of UCS
5.0-5 should update now as we have discontinued maintenance for this release.

The next patch-level release – UCS 5.0-8 – will be released in early to mid-
June 2024.

More information can also be found in our release
notes and in our
help article on installation.

Der Beitrag Univention Corporate Server
5.0-7 erschien zuerst auf Univention.

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