- =================================
- Release Notes for Samba 3.6.0pre1
- July 28, 2010
- =================================
+What's new in Samba 4.0 beta8
+=============================
+
+Samba 4.0 will be the next version of the Samba suite and incorporates
+all the technology found in both the Samba4 alpha series and the
+stable 3.x series. The primary additional features over Samba 3.6 are
+support for the Active Directory logon protocols used by Windows 2000
+and above.
+
+
+WARNINGS
+========
+
+Samba 4.0 beta8 is not a final Samba release, however we are now making
+good progress towards a Samba 4.0 release. However, this is expected to be the
+last beta release before we start on our release candidate series.
+
+This release contains the best of all of Samba's
+technology parts, both a file server (that you can reasonably expect
+to upgrade existing Samba 3.x releases to) and the AD domain
+controller work previously known as 'samba4'.
+
+Samba 4.0 is subjected to an awesome battery of tests on an automated
+basis, we have found Samba 4.0 to be very stable in it's behaviour.
+However, as with all our pre-releases we still recommend against
+upgrading production servers from Samba 3.x release to Samba 4.0 beta
+at this stage.
+
+If you are upgrading, or looking to develop, test or deploy Samba 4.0
+beta releases, you should backup all configuration and data.
+
+
+UPGRADING
+=========
+
+Users upgrading from Samba 3.x domain controllers and wanting to use
+Samba 4.0 as an AD DC should use the 'samba-tool domain
+classicupgrade' command. See the wiki for more details:
+https://wiki.samba.org/index.php/Samba4/samba3upgrade/HOWTO
+
+Users upgrading from Samba 4.0 alpha and beta releases since alpha15
+should run 'samba-tool dbcheck --cross-ncs --fix' before re-starting
+Samba. Users upgrading from earlier alpha releases should contact the
+team for advice.
+
+Users upgrading an AD DC from any previous release should run
+'samba-tool ntacl sysvolreset' to re-sync ACLs on the sysvol share
+with those matching the GPOs in LDAP and the defaults from an initial
+provision. This will set an underlying POSIX ACL if required (eg not
+using the NTVFS file server).
+
+NEW FEATURES
+============
+Samba 4.0 beta supports the server-side of the Active Directory logon
+environment used by Windows 2000 and later, so we can do full domain
+join and domain logon operations with these clients.
-This is the first preview release of Samba 3.6. 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/.
+Our Domain Controller (DC) implementation includes our own built-in
+LDAP server and Kerberos Key Distribution Center (KDC) as well as the
+Samba3-like logon services provided over CIFS. We correctly generate
+the infamous Kerberos PAC, and include it with the Kerberos tickets we
+issue.
+
+Samba 4.0 beta ships with two distinct file servers. We now use the
+file server from the Samba 3.x series 'smbd' for all file serving by
+default.
+
+Samba 4.0 also ships with the 'NTVFS' file server. This file server
+is what was used in all previous alpha releases of Samba 4.0, and is
+tuned to match the requirements of an AD domain controller. We
+continue to support this, not only to provide continuity to
+installations that have deployed it as part of an AD DC, but also as a
+running example of the NT-FSA architecture we expect to move smbd to in
+the longer term.
+
+For pure file server work, the binaries users would expect from that
+series (nmbd, winbindd, smbpasswd) continue to be available. When
+running an AD DC, you only need to run 'samba' (not
+nmbd/smbd/winbind), as the required services are co-coordinated by this
+master binary.
+
+As DNS is an integral part of Active Directory, we also provide a DNS
+solution, using the BIND DLZ mechanism in versions 9.8 and 9.9.
+During the provision, a configuration file will be generated for bind
+to make it use this plugin. We also have a project to provide a
+minimal internal DNS server from within the Samba process, for easier
+'out of the box' configuration. Note however that this is not yet
+complete (pending addition of secure DNS update support).
+
+To provide accurate timestamps to Windows clients, we integrate with
+the NTP project to provide secured NTP replies. To use you need to
+start ntpd and configure it with the 'restrict ... ms-sntp' and
+ntpsigndsocket options.
+Finally, a new scripting interface has been added to Samba 4, allowing
+Python programs to interface to Samba's internals, and many tools and
+internal workings of the DC code is now implemented in python.
+
+CHANGES SINCE beta8
+===================
+
+The smbd file server now offers SMB3 as the maximum protocol
+by default. Samba can negotiate version 3 of the SMB protocol
+and supports the required features, including all required
+features of SMB 2.1 and SMB 2.0. Note that this does not imply
+that Samba implements all features of SMB3 since many of them
+are optional capabilities. Examples of features that Samba does
+not implement yet are leases (SMB 2.1) and multi-channel (SMB 3).
+
+Samba now offers an initial support for SMB2 durable file handles.
+These are enabled by default and can be turned off on a per share
+basis by setting "durable handles = no" on the share configuration.
+Note that in order to prevent conflicts with other applications
+accessing the same files, durable handles are only granted on
+shares that are configured for CIFS/SMB2-only access, i.e. more
+explicitly shares that are configured for minimal interoperability
+with these settings:
-Major enhancements in Samba 3.6.0 include:
+ kernel oplocks = no
+ kernel share modes = no
+ posix locking = no
+The option "kernel share modes" has been introduced to be able
+to turn the translation of SMB share modes into kernel flocks
+off.
-SMB2 support
-------------
+CHANGES SINCE beta7
+=====================
-SMB2 support in 3.6.0 is fully functional (with one omission),
-and can be enabled by setting:
+For a list of changes since beta7, please see the git log.
-max protocol = SMB2
+$ git clone git://git.samba.org/samba.git
+$ cd samba.git
+$ git log samba-4.0.0beta7..samba-4.0.0beta8
-in the [global] section of your smb.conf and re-starting
-Samba. All features should work over SMB2 except the modification
-of user quotas using the Windows quota management tools.
+Some major user-visible changes include:
-As this is the first release containing what we consider
-to be a fully featured SMB2 protocol, we are not enabling
-this by default, but encourage users to enable SMB2 and
-test it. Once we have enough confirmation from Samba
-users and OEMs that SMB2 support is stable in wide user
-testing we will enable SMB2 by default in a future Samba
-release.
+- A fix for a segfault/abort on startup of the 'samba' binary in the
+ credentials_secrets code.
+- A fix for samba-tool classicupgrade of pdb_ldap-based domains
-Internal Winbind passdb changes
--------------------------------
+- A fix for samba-tool domain exportkeyab only exporting DES keys
-Winbind has been changed to use the internal samr and lsa rpc pipe to get
-local user and group information instead of calling passdb functions. The
-reason is to use more of our infrastructure and test this infrastructure by
-using it. With this approach more code in Winbind is shared.
+- Printing is now enabled on the AD DC
+- Fix bug #9124 - Samba fails to set "inherited" bit on inherited ACE's.
-New Spoolss code
-----------------
+- We now avoid printing secret attributes (such as unicodePwd and
+ suppliementalCredentials) in ldb trace logs
-The spoolss and the old RAP printing code have been completely
-overhauled and refactored.
+- s3-printing: fix bug 9123 lprng job tracking errors
-All calls from lanman/printing code has been changed to go through the
-spoolss RPC interfaces, this allows us to keep all checks in one place
-and avoid special cases in the main printing code.
-Printing code has been therefore confined within the spoolss code.
+- A fix for building with MIT Kerberos
-All the printing code, including the spoolss RPC interfaces has been
-changed to use the winreg RPC interfaces to store all data.
-All data has been migrated from custom, arbitrary TDB files to the
-registry interface. This transition allow us to present correct data to
-windows client accessing the server registry through the winreg RPC
-interfaces to query for printer data. Data is served out from a real
-registry implementation and therefore arguably 100% forward compatible.
+KNOWN ISSUES
+============
-Migration code from the previous TDB files formats is provided. This
-code is automatically invoked the first time the new code is run on the
-server. Although manual migration is also available using the 'net
-printer migrate' command.
+- 'samba-tool domain classicupgrade' will fail when setting ACLs on
+ the GPO folders with NT_STATUS_INVALID_ONWER in the default
+ configuration. This happens if, as is typical a 'domain admins'
+ group (-512) is mapped in the passdb backend being upgraded. This
+ is because the group mapping to a GID only prevents Samba from
+ allocating a uid for that group. The uid is needed so the 'domain
+ admins' group can own the GPO file objects.
-These changes not only make all the spoolss code much more closer to
-"the spec", it also greatly improves our internal testing of both
-spoolss and winreg interfaces, and reduces overall code duplication.
+ To work around this issue, remove the 'domain admins' group before
+ upgrade, as it will be re-created automatically. You will
+ of course need to fill in the group membership again. A future release
+ will make this automatic, or find some other workaround.
-As part of this work, new tests have been also added to increase
-coverage.
+- This release makes the s3fs file server the default, as this is the
+ file server combination we will use for the Samba 4.0 release.
-This code will also allow, in future, an easy transition to split out
-the spooling functions into a separate daemon for those OEMs that do not
-need printing functionality in their appliances, reducing the code
-footprint.
+- For similar reasons, sites with ACLs stored by the ntvfs file server
+ may wish to continue to use that file server implementation, as a
+ posix ACL will similarly not be set in this case.
+- Replication of DNS data from one AD server to another may not work.
+ The DNS data used by the internal DNS server and bind9_dlz is stored
+ in an application partition in our directory. The replication of
+ this partition is not yet reliable.
-SMB Traffic Analyzer
---------------------
+- Replication may fail on FreeBSD due to getaddrinfo() rejecting names
+ containing _. A workaround will be in a future beta.
-Added the new SMB Traffic Analyzer (SMBTA) VFS module protocol 2
-featuring encryption, multiple arguments, and easier parseability. A new
-tool 'smbta-util' has been created to control the encryption behaviour
-of SMBTA. For compatibility, SMBTA by default operates on version 1.
-There are programs consuming the data that the module sends.
+- upgradeprovision should not be run when upgrading to this release
+ from a recent release. No important database format changes have
+ been made since alpha16.
-More information can be found on
-http://holger123.wordpress.com/smb-traffic-analyzer/
+- Installation on systems without a system iconv (and developer
+ headers at compile time) is known to cause errors when dealing with
+ non-ASCII characters.
+- Domain member support in the 'samba' binary is in it's infancy, and
+ is not comparable to the support found in winbindd. As such, do not
+ use the 'samba' binary (provided for the AD server) on a member
+ server.
-######################################################################
-Changes
-#######
+- There is no NetBIOS browsing support (network neighbourhood)
+ available for the AD domain controller. (Support in nmbd and smbd
+ for classic domains and member/standalone servers is unchanged).
-smb.conf changes
-----------------
+- Clock Synchronisation is critical. Many 'wrong password' errors are
+ actually due to Kerberos objecting to a clock skew between client
+ and server. (The NTP work in the previous alphas are partly to assist
+ with this problem).
- Parameter Name Description Default
- -------------- ----------- -------
+- The DRS replication code may fail. Please contact the team if you
+ experience issues with DRS replication, as we have fixed many issues
+ here in response to feedback from our production users.
- log writeable files on exit New No
- ctdb locktime warn threshold New 0
- smb2 max read New 1048576
- smb2 max write New 1048576
- smb2 max trans New 1048576
- username map cache time New 0
- async smb echo handler New No
+RUNNING Samba 4.0 as an AD DC
+=============================
-######################################################################
+A short guide to setting up Samba 4 as an AD DC can be found on the wiki:
+
+ http://wiki.samba.org/index.php/Samba4/HOWTO
+
+#######################################
Reporting bugs & Development Discussion
#######################################
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 3.6 product in the project's Bugzilla
+be filed under the Samba 4.0 product in the project's Bugzilla
database (https://bugzilla.samba.org/).
git.samba.org / ambi / samba-autobuild / .git / blobdiff