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Release Announcements
=====================
This is the first preview release of Samba 4.7. This is *not*
intended for production environments and is designed for testing
purposes only. Please report any defects via the Samba bug reporting
system at https://bugzilla.samba.org/.
Samba 4.7 will be the next version of the Samba suite.
UPGRADING
=========
NEW FEATURES/CHANGES
====================
Authentication and Authorization audit support
----------------------------------------------
Detailed authentication and authorization audit information is now
logged to Samba's debug logs under the "auth_audit" debug class,
including in particular the client IP address triggering the audit
line. Additionally, if Samba is compiled against the jansson JSON
library, a JSON representation is logged under the "auth_json_audit"
debug class.
Audit support is comprehensive for all authentication and
authorisation of user accounts in the Samba Active Directory Domain
Controller, as well as the implicit authentication in password
changes. In the file server and classic/NT4 domain controller, NTLM
authentication, SMB and RPC authorization is covered, however password
changes are not at this stage, and this support is not currently
backed by a testsuite.
Parameter changes
-----------------
The "strict sync" global parameter has been changed from
a default of "no" to "yes". This means smbd will by default
obey client requests to synchronize unwritten data in operating
system buffers safely onto disk. This is a safer default setting
for modern SMB1/2/3 clients.
smb.conf changes
================
Parameter Name Description Default
-------------- ----------- -------
auth event notification New parameter no
auth methods Deprecated
map untrusted to domain Deprecated
strict sync Default changed yes
Removal of lpcfg_register_defaults_hook()
-----------------------------------------
The undocumented and unsupported function lpcfg_register_defaults_hook()
that was used by external projects to call into Samba and modify
smb.conf default parameter settings has been removed. If your project
was using this call please raise the issue on
samba-technical@lists.samba.org in order to design a supported
way of obtaining the same functionality.
Change of loadable module interface
-----------------------------------
The _init function of all loadable modules in Samba has changed
from:
NTSTATUS _init(void);
to:
NTSTATUS _init(TALLOC_CTX *);
This allows a program loading a module to pass in a long-lived
talloc context (which must be guaranteed to be alive for the
lifetime of the module). This allows modules to avoid use of
the talloc_autofree_context() (which is inherently thread-unsafe)
and still be valgrind-clean on exit. Modules that don't need to
free long-lived data on exist should use the NULL talloc context.
KNOWN ISSUES
============
https://wiki.samba.org/index.php/Release_Planning_for_Samba_4.7#Release_blocking_bugs
#######################################
Reporting bugs & Development Discussion
#######################################
Please discuss this release on the samba-technical mailing list or by
joining the #samba-technical IRC channel on irc.freenode.net.
If you do report problems then please try to send high quality
feedback. If you don't provide vital information to help us track down
the problem then you will probably be ignored. All bug reports should
be filed under the Samba 4.1 and newer product in the project's Bugzilla
database (https://bugzilla.samba.org/).
======================================================================
== Our Code, Our Bugs, Our Responsibility.
== The Samba Team
======================================================================
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