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WHATSNEW: Add release notes for Samba 4.21.7.
Signed-off-by: Jule Anger <janger@samba.org>
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WHATSNEW.txt
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==============================
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Release Notes for Samba 4.21.7
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July 07, 2025
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==============================
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This is the latest stable release of the Samba 4.21 release series.
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Important Change in Upcoming Microsoft Update
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---------------------------------------------
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On 8th of July, Microsoft will release an important security update for
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Active Directory Domain Controllers for Windows Server versions prior to
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2025.
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This update includes a change to the Microsoft RPC Netlogon protocol,
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which improves security by tightening access checks for a set of RPC
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requests. Samba running as domain members in these environments will be
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impacted by this change if a specific configuration is used, see below
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for which configuration is affected.
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Windows Server version 2025 is already equipped with these specific
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security hardenings, and Microsoft is now planning to deploy them to all
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supported Windows Server versions down to Windows Server 2008.
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Who is affected?
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Samba installations acting as member servers in Windows AD domains will
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be affected if they are configured to use the 'ad' idmapping backend.
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Samba servers not using this configuration will not be affected by the
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change – at least to our current knowledge and understanding of the
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change – and no further action is required.
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Current versions of Samba with the affected configuration will no longer
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function correctly once the Microsoft update has been applied. Users
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will not be able to connect to the SMB service provided by Samba for any
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domain configured to use the 'ad' idmapping backend.
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See https://bugzilla.samba.org/show_bug.cgi?id=15876.
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Changes since 4.21.6
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--------------------
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o Günther Deschner <gd@samba.org>
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* BUG 15876: Windows security hardening locks out schannel'ed netlogon dc
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calls like netr_DsRGetDCName.
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o Stefan Metzmacher <metze@samba.org>
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* BUG 15680: Trust domains are not created.
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* BUG 15876: Windows security hardening locks out schannel'ed netlogon dc
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calls like netr_DsRGetDCName.
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o Andreas Schneider <asn@samba.org>
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* BUG 15680: Trust domains are not created.
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* BUG 15869: Startup messages of rpc deamons fills /var/log/messages.
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#######################################
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Reporting bugs & Development Discussion
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#######################################
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Please discuss this release on the samba-technical mailing list or by
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joining the #samba-technical:matrix.org matrix room, or
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#samba-technical IRC channel on irc.libera.chat.
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If you do report problems then please try to send high quality
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feedback. If you don't provide vital information to help us track down
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the problem then you will probably be ignored. All bug reports should
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be filed under the Samba 4.1 and newer product in the project's Bugzilla
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database (https://bugzilla.samba.org/).
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======================================================================
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== Our Code, Our Bugs, Our Responsibility.
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== The Samba Team
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======================================================================
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Release notes for older releases follow:
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----------------------------------------
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==============================
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Release Notes for Samba 4.21.6
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June 03, 2025
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@ -92,8 +174,7 @@ database (https://bugzilla.samba.org/).
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======================================================================
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Release notes for older releases follow:
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----------------------------------------
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----------------------------------------------------------------------
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==============================
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Release Notes for Samba 4.21.5
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March 31, 2025
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