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04b9369656
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org> Autobuild-User(master): Ralph Böhme <slow@samba.org> Autobuild-Date(master): Thu Oct 10 09:41:26 UTC 2019 on sn-devel-184
106 lines
3.6 KiB
Plaintext
106 lines
3.6 KiB
Plaintext
Release Announcements
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=====================
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This is the first preview release of Samba 4.12. This is *not*
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intended for production environments and is designed for testing
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purposes only. Please report any defects via the Samba bug reporting
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system at https://bugzilla.samba.org/.
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Samba 4.12 will be the next version of the Samba suite.
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UPGRADING
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=========
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NEW FEATURES/CHANGES
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====================
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Python 3.5 Required
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-------------------
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Samba's minimum runtime requirement for python was raised to Python
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3.4 with samba 4.11. Samba 4.12 raises this minimum version to Python
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3.5 both to access new features and because this is the oldest version
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we test with in our CI infrastructure.
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(Build time support for the file server with Python 2.6 has not
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changed)
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GnuTLS 3.4.7 required
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---------------------
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Samba is making efforts to remove in-tree cryptographic functionality,
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and to instead rely on externally maintained libraries. To this end,
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Samba has chosen GnuTLS as our standard cryptographic provider.
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Samba now requires GnuTLS 3.4.7 to be installed (including development
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headers at build time) for all configurations, not just the Samba AD
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DC.
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Using GnuTLS for SMB3 encryption you will notice huge performance and copy
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speed improvements. Tests with the CIFS Kernel client from Linux Kernel 5.3
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show a 3x speed improvement for writing and a 2.5x speed improvement for reads!
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NOTE WELL: The use of GnuTLS means that Samba will honour the
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system-wide 'FIPS mode' (a reference to the US FIPS-140 cryptographic
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standard) and so will not operate in many still common situations if
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this system-wide parameter is in effect, as many of our protocols rely
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on outdated cryptography.
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A future Samba version will mitigate this to some extent where good
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cryptography effectively wraps bad cryptography, but for now that above
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applies.
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REMOVED FEATURES
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================
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BIND9_FLATFILE deprecated
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-------------------------
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The BIND9_FLATFILE DNS backend is deprecated in this release and will
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be removed in the future. This was only practically useful on a single
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domain controller or under expert care and supervision.
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This release removes the "rndc command" smb.conf parameter, which
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supported this configuration by writing out a list of DCs permitted to
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make changes to the DNS Zone and nudging the 'named' server if a new
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DC was added to the domain. Administrators using BIND9_FLATFILE will
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need to maintain this manually from now on.
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smb.conf changes
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================
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Parameter Name Description Default
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-------------- ----------- -------
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nfs4:acedup Changed default merge
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rndc command Removed
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KNOWN ISSUES
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============
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https://wiki.samba.org/index.php/Release_Planning_for_Samba_4.12#Release_blocking_bugs
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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 IRC channel on irc.freenode.net.
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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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