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Signed-off-by: Christof Schmitt <cs@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Autobuild-User(master): Christof Schmitt <cs@samba.org> Autobuild-Date(master): Tue May 9 01:14:25 CEST 2017 on sn-devel-144
148 lines
5.2 KiB
Plaintext
148 lines
5.2 KiB
Plaintext
Release Announcements
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=====================
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This is the first preview release of Samba 4.7. 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 4.7 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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Samba AD with MIT Kerberos
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--------------------------
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After four years of development, Samba finally supports compiling and
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running Samba AD with MIT Kerberos. You can enable it with:
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./configure --with-system-mitkrb5
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Samba requires version 1.15.1 of MIT Kerberos to build with AD DC support.
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The krb5-devel and krb5-server packages are required.
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The feature set is not on par with with the Heimdal build but the most important
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things, like forest and external trusts, are working. Samba uses the KDC binary
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provided by MIT Kerberos.
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Missing features, compared to Heimdal, are:
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* PKINIT support
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* S4U2SELF/S4U2PROXY support
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* RODC support (not fully working with Heimdal either)
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The Samba AD process will take care of starting the MIT KDC and it will load a
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KDB (Kerberos Database) driver to access the Samba AD database. When
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provisioning an AD DC using 'samba-tool' it will take care of creating a correct
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kdc.conf file for the MIT KDC. Note that 'samba-tool' will overwrite the system
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kdc.conf by default. It is possible to use a different location during
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provision. You should consult the 'samba-tool' help and smb.conf manpage for
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details.
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Authentication and Authorization audit support
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----------------------------------------------
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Detailed authentication and authorization audit information is now
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logged to Samba's debug logs under the "auth_audit" debug class,
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including in particular the client IP address triggering the audit
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line. Additionally, if Samba is compiled against the jansson JSON
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library, a JSON representation is logged under the "auth_json_audit"
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debug class.
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Audit support is comprehensive for all authentication and
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authorisation of user accounts in the Samba Active Directory Domain
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Controller, as well as the implicit authentication in password
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changes. In the file server and classic/NT4 domain controller, NTLM
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authentication, SMB and RPC authorization is covered, however password
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changes are not at this stage, and this support is not currently
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backed by a testsuite.
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Query record for open file or directory
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---------------------------------------
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The record attached to an open file or directory in Samba can be
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queried through the 'net tdb locking' command. In clustered Samba this
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can be useful to determine the file or directory triggering
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corresponding "hot" record warnings in ctdb.
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Parameter changes
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-----------------
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The "strict sync" global parameter has been changed from
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a default of "no" to "yes". This means smbd will by default
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obey client requests to synchronize unwritten data in operating
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system buffers safely onto disk. This is a safer default setting
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for modern SMB1/2/3 clients.
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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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auth event notification New parameter no
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auth methods Deprecated
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map untrusted to domain Deprecated
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strict sync Default changed yes
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Removal of lpcfg_register_defaults_hook()
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-----------------------------------------
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The undocumented and unsupported function lpcfg_register_defaults_hook()
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that was used by external projects to call into Samba and modify
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smb.conf default parameter settings has been removed. If your project
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was using this call please raise the issue on
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samba-technical@lists.samba.org in order to design a supported
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way of obtaining the same functionality.
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Change of loadable module interface
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-----------------------------------
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The _init function of all loadable modules in Samba has changed
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from:
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NTSTATUS _init(void);
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to:
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NTSTATUS _init(TALLOC_CTX *);
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This allows a program loading a module to pass in a long-lived
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talloc context (which must be guaranteed to be alive for the
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lifetime of the module). This allows modules to avoid use of
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the talloc_autofree_context() (which is inherently thread-unsafe)
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and still be valgrind-clean on exit. Modules that don't need to
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free long-lived data on exist should use the NULL talloc context.
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KNOWN ISSUES
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============
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https://wiki.samba.org/index.php/Release_Planning_for_Samba_4.7#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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