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-
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.1//EN">
-<book id="samba-pdc-howto">
-
-<title>The Samba 2.2 PDC HowTo </title>
-
-<!-- ========================================================
-
- To produce html from this file
-
- jade -E10 -t sgml -d html.dsl ntdom.sgml
-
- This assumes that html.dsl is present in the current dir, it includes
- a couple of defines and then refers to the DSSSL html stylesheet.
-
- =========================================================== -->
-
-
-<bookinfo>
- <author><firstname>David</><surname>Bannon</>
- <affiliation><orgname>La Trobe University</orgname></affiliation>
- </author>
- <pubdate>November 2000</pubdate>
-</bookinfo>
-
-<dedication><title></title>
-
- <para>Comments, corrections and additions to <email>dbannon@samba.org</email></para>
-
- <para>
- This document explains how to setup Samba as a Primary Domain Controller and
- applies to version 2.2.0.
- Before
- using these functions make sure you understand what the controller can and cannot do.
- Please read the sections below in the Introduction.
- As 2.2.0 is incrementally updated
- this document will change or become out of date very quickly, make sure you are
- reading the most current version.
- </para>
-
- <para>Please note this document does not apply to Samba2.2alpha0, Samba2.2alpha1,
- Samba 2.0.7, TNG nor HEAD branch.</para>
-
- <para>It does apply to the current (post November 27th) cvs.</para>
-
- <para>
- Also available is an updated version of Jerry Carter's NTDom <ulink url="samba-pdc-faq.html">
- FAQ</> that will answer lots of
- the special 'tuning' questions that are not covered here. Over the next couple of weeks
- some of the items here will be moved to the FAQ.
- </para>
-
-
-</dedication>
-
-<toc> </toc>
-
-<!-- ================ I N T R O D U C T I O N ==================== -->
-
-<chapter><title>Introduction</title>
-
-<para>
-This document will show you one way of making Version 2.2.0
-of Samba perform some of the tasks of a
-NT Primary Domain Controller. The facilities described are built into Samba as a result of
-development work done over a number of years by a large number of people. These facilities
-are only just beginning to be officially supported and although they do appear to work reliably,
-if you use them then you take the risks upon your self. This document does not cover the
-developmental versions of Samba, particularly
-<ulink url="http://www.samba-tng.org/"><citetitle>Samba-TNG</citetitle></ulink>
-
-
-</para>
-
-
-<para>Note that <ulink url="http://bioserve.latrobe.edu.au/samba">Samba 2.0.7</>
- supports significently less of the NT Domain facilities compared with 2.2.0
- </para>
-
-<para>
- This document does not replace the text files DOMAIN_CONTROL.txt, DOMAIN.txt (by
- John H Terpstra) or NTDOMAIN.txt (by Luke Kenneth Casson Leighton). Those documents provide
- more detail and an insight to the development
- cycle and should be considered 'further reading'.
-
-</para>
-
-
-<sect1><title>What can we do ?</title>
-<itemizedlist>
- <listitem><para>Permit 'domain logons' for Win95/98, NT4 and W2K workstations from one central
- password database. WRT W2K, please see the section about adding machine
- accounts and the Intro in the <ulink url="samba-pdc-faq.html">FAQ</>.</para></listitem>
- <listitem><para>Grant Administrator privileges to particular domain users on an
- NT or W2K workstation.</para></listitem>
- <listitem><para>Apply policies from a domain policy file to NT and W2K (?)
- workstation.</para></listitem>
- <listitem><para>Run the appropriate logon script when a user logs on to the domain
- .</para></listitem>
- <listitem><para>Maintain a user's local profile on the server.</para></listitem>
- <listitem><para>Validate a user using another system via smb (such as smb_pam) and
- soon winbind (?).</para></listitem>
-</itemizedlist>
-</sect1>
-
-
-<sect1><title>What can't we do ?</title>
-<itemizedlist>
- <listitem><para> Become or work with a Backup Domain Controller (a BDC).</para></listitem>
- <listitem><para> Participate in any sort of trust relationship (with either Samba or NT
- Servers).</para></listitem>
- <listitem><para> Offer a list of domain users to User Manager for Domains
- on the Security Tab etc).</para></listitem>
- <listitem><para>Be a W2K type of Domain Controller. Samba PDC will behave like
- an NT PDC, W2K workstations connect in legacy mode.</para></listitem>
-</itemizedlist>
-</sect1>
-
-</chapter>
-
-
-<!-- ================== I N S T A L L I N G ===================== -->
-
-<chapter><title>Installing</title>
-
- <para>Installing consists of the usual download, configure, make and make
- install process. These steps are well documented elsewhere.
- The <ulink url="samba-pdc-faq.html">FAQ</> discusses getting pre-release versions via CVS.
- Then you need to configure the server.</para>
-
-<sect1><title>Start Up Script</title>
- <para>Skip this section if you have a working Samba already.
- Everyone has their own favourite startup script. Here is mine, offered with no warrantee
- at all !</para>
-
-<programlisting>
-
- #!/bin/sh
- # Script to control Samba server, David Bannon, 14-6-96
- #
- #
- PATH=/bin:/usr/sbin:/usr/bin
- export PATH
- case "$1" in
- 'start')
- if [ -f /usr/local/samba/bin/smbd ]
- then
- /usr/local/samba/bin/smbd -D
- /usr/local/samba/bin/nmbd -D
- echo "Starting Samba Server"
- fi
- ;;
- 'conf')
- if [ -f /usr/local/samba/lib/smb.conf ]
- then
- vi /usr/local/samba/lib/smb.conf
- fi
- ;;
- 'pw')
- if [ -f /usr/local/samba/private/smbpasswd ]
- then
- vi /usr/local/samba/private/smbpasswd
- fi
- ;;
- 'who')
- /usr/local/samba/bin/smbstatus -b
- ;;
- 'restart')
- psline=`/bin/ps x | grep smbd | grep -v grep`
-
- if [ "$psline" != "" ]
- then
- while [ "$psline" != "" ]
- do
- psline=`/bin/ps x | fgrep smbd | grep -v grep`
- if [ "$psline" ]
- then
- set -- $psline
- pid=$1
- /bin/kill -HUP $pid
- echo "Stopped $pid line = $psline"
- sleep 2
- fi
- done
- fi
- echo "Stopped Samba servers"
- ;;
- 'stop')
- psline=`/bin/ps x | grep smbd | grep -v grep`
-
- if [ "$psline" != "" ]
- then
- while [ "$psline" != "" ]
- do
- psline=`/bin/ps x | fgrep smbd | grep -v grep`
- if [ "$psline" ]
- then
- set -- $psline
- pid=$1
- /bin/kill -9 $pid
- echo "Stopped $pid line = $psline"
- sleep 2
- fi
- done
- fi
- echo "Stopped Samba servers"
- psline=`/bin/ps x | grep nmbd | grep -v grep`
- if [ "$psline" ]
- then
- set -- $psline
- pid=$1
- /bin/kill -9 $pid
- echo "Stopped Name Server "
- fi
- echo "Stopped Name Servers"
- ;;
- *)
- echo "usage: samba {start | restart |stop | conf | pw | who}"
- ;;
- esac
-
-</programlisting>
-
-<para> Use this script, or some other one, you will need to ensure its used while the machine
- is booting. (This typically involves <filename>/etc/rc.d</filename>, we'll be
- assuming that there is a script called
- samba in <filename>/etc/rc.d/init.d</filename> further down in this document.)
-</para>
-</sect1>
-
-<sect1><title>Config File</title>
-
-<sect2><title id=configfile>A sample conf file</title>
- <para>Here is a fairly minimal config file to do PDC. It will also make the server
- become the browse master for the
- specified domain (not necessary but usually desirable). You will need to change only
- two parameters to make this
- file work, <filename>wins server</filename> and <filename>workgroup</filename>, plus
- you will need to put your own name (not mine!) in the <filename>domain admin users</> fields.
- Some of the parameters are discussed further down this document.</para>
-
- <para>Assuming you have used the default install directories, this file should appear as
- <filename>/usr/local/samba/lib/smb.conf</filename>. It should not be
- writable by anyone except root.</para>
-
- <note><para>The 'add user script' parameter is a work-around, watch for changes !</></>
-
- <programlisting>
-
- [global]
- security = user
- status = yes
- workgroup = { Your domain name here }
- wins server = { ip of a wins server if you have one }
- encrypt passwords = yes
- domain logons =yes
- logon script = scripts\%U.bat
- domain admin group = @adm
- add user script = /usr/sbin/adduser -n -g machines -c Machine -d /dev/null -s /bin/false %m$
- guest account = ftp
- share modes=no
- os level=65
- [homes]
- guest ok = no
- read only = no
- create mask = 0700
- directory mask = 0700
- oplocks = false
- locking = no
- [netlogon]
- path = /usr/local/samba/netlogon
- writeable = no
- guest ok = no
-
-</programlisting>
-
-</sect2>
-
-<sect2><title>PDC Config Parameters</title>
-
-
-<variablelist><title>There are a huge range of parameters that may appear in a smb.conf file. Some
- that may be of interest to a PDC are :</title>
-
-<varlistentry><term>add user script</term>
- <listitem><para>This parameter specifies a script (or program) that will be run
- to add a user to the system. Here it is being used to add a machine, not a user.
- This is probably not very nice and may change. But it does work !</para>
-
- <para>For this example, I have a group called 'machines', entries can be added to
- <filename>/etc/passwd</> using a programme called <filename>/usr/adduser</> and
- the other parameters are chosen as suitable for a machine account. Works for
- RH Linux, your system may require changes.</para>
- </listitem>
-</varlistentry>
-
-
-<varlistentry><term>domain admin group = @adm</term>
- <listitem><para>This parameter specifies a unix group whose members will be granted
- admin privileges on a NT workstation when
- logged onto that workstation. See the section called <link linkend=domainadmin>
- Domain Admin</> Accounts.</para>
- </listitem>
-</varlistentry>
-
-<varlistentry><term>domain admin users = user1 users2</term>
- <listitem><para>It appears that this parameter does not funtion correctly at present.
- Use the 'domain admin group' instread. This parameter specifies a unix user who will
- be granted admin privileges
- on a NT workstation when
- logged onto that workstation. See the section called <link linkend=domainadmin>
- Domain Admin</> Accounts.</para>
- </listitem>
-</varlistentry>
-
-<varlistentry><term>encrypt passwords = yes</term>
- <listitem><para>This parameter must be 'yes' to allow any of the recent service pack NTs to logon. There are some reg hacks that
- turn off encrypted passwords on the NTws itself but if you are going to use the smbpasswd system (and you
- should) you must use encrypted passwords.</para>
- </listitem>
-</varlistentry>
-
-<varlistentry><term>logon script = scripts\%U.bat</term>
- <listitem><para>This will make samba look for a logon script named after the user
- (eg joeblow.bat).
- See the section further on called <link linkend=logonscript>Logon Scripts</></para>
- <note><para>Note that the slash is like this '\', not like this '/'.
- NT is happy with both, win95 is not !</para></note>
- </listitem>
-</varlistentry>
-
-<varlistentry><term>logon path</term>
- <listitem><para>Lets you specify where you would like users profiles kept. The default, that is in the users
- home directory, does encourage a bit of fiddling.</para>
- </listitem>
-</varlistentry>
-
-
-</variablelist>
-
-
-</sect2>
-</sect1>
-
-<sect1><title>Special directories</title>
- <para>You need to create a couple of special files and directories. Its nice
- to have some of the binaries handy too, so I create links to them. Assuming
- you have used the default samba location and have not
- changed the locations mentioned in the sample config file, do the following :</para>
-
- <programlisting>
-
- mkdir /usr/local/samba/netlogon
- mkdir /usr/local/samba/netlogon/scripts
- mkdir /usr/local/samba/private
- touch /usr/local/samba/private/smbpasswd
- chmod go-rwx /usr/local/samba/private/smbpasswd
- cd /usr/local/sbin
- ln -s /usr/local/samba/bin/smbpasswd
- ln -s /usr/local/samba/bin/smbclient
- ln -s /etc/rc.d/init.d/samba
-</programlisting>
-
- <para>Make sure permissions are appropriate !</para>
-
- <para>OK, if you have used the scripts above and have a path to where the links are do this to start up
- the Samba Server :</para>
-
- <para><command>samba start</command></para>
-
- <para>Instead, you might like to reboot the machine to make sure that you
- got the init stuff right. Any way, a quick look in the logs
- <filename>/usr/local/samba/var/log.smbd</filename> and <filename>
- /usr/local/samba/var/log/nmbd</filename>
- will give you an idea of what's happening. Assuming all is well, lets create
- some accounts...</para>
-</sect1>
-</chapter>
-
- <!-- ================== U S E R and M A C H I N E A C C O U N T S ================ -->
-
-<chapter><title>User and Machine Accounts</title>
-<sect1><title>Logon Accounts</title>
-
- <para><emphasis role=bold>This section is very nearly out of date already !</emphasis> It
- appears that while you are reading it, Jean Francois Micou is making it
- redundant ! Jean Francois is adding facilities to add users
- (via User Manager) and machines (when joining the domain) and it looks like these facilities will
- make it into the official release of 2.2.</para>
-
-
- <para>Every user and NTws (and other samba servers) that will be on the domain
- must have its own passwd entry in both <filename>/etc/passwd</filename> and
- <filename>/usr/local/samba/private/smbpasswd</filename> .
- The <filename>/etc/passwd</filename> entry is really
- only to reserve a user ID. The NT encrypted password is stored in
- <filename>/usr/local/samba/private/smbpasswd</filename>.
- (Note that win95/98 machines don't need an account as they don't do
- any security aware things.)</para>
-
- <para>Samba 2.2 will now create these entries for us. Carefull set up is required
- and there may well be some changes to this system before its released.
- </para>
-</sect1>
-
-<sect1 id=machineaccount><title>Machine Accounts</title>
-
- <note><para>There is an entry in the ntdom <ulink url="samba-pdc-faq.html">FAQ</> explaining how to create
- machine entries manually.</para></note>
-
-
-<variablelist><title><emphasis>At present</> to have the machine accounts created when a machine joins
- the domain a number of conditions must be met :</title>
-
-<varlistentry><term>Only root can do it !</term>
- <listitem><para>There must be an entry in <filename>/usr/local/samba/private/smbpasswd</filename>
- for root and root must be mentioned in <filename>domain admins</filename>. This may
- be fixed some time in the future so any 'domain admin' can do it. If you don't
- like having root as a windows logon account, make the machine
- entries manually (both of them).</para>
- </listitem>
-</varlistentry>
-
-<varlistentry><term>Use the <filename>add user script</></term>
- <listitem><para>Again, this looks a bit like a 'work around'. Use a suitable
- command line to add a machine account <link linkend=configfile>see above</link>,
- and pass it %m$, that is %m to get machine name plus the '$'. Now, this
- means you cannot use the <filename>add user script</> to really add users .... </para>
- </listitem>
-</varlistentry>
-
-<varlistentry><term>Only for W2K</term>
- <listitem><para>This automatic creation of machine accounts does not work for
- NT4ws at present. Watch this space.</para></listitem></varlistentry>
-</variablelist>
-
-</sect1>
-
-<sect1><title>Joining the Domain</title>
-
- <para>You must have either added the machine account entries manually (NT4 ws)
- or set up the automatic system (W2K), <link linkend=machineaccount>see Machine Accounts</link>
- before proceeding.</para>
-
-<variablelist>
-<varlistentry><term><command>Windows NT</></term><listitem>
-<itemizedlist>
- <listitem><para> (<emphasis>this step may not be necessary some time in the near future</>).
- On the samba server that is the PDC, add a machine account manually
- as per the instructions in the <ulink url="samba-pdc-faq.html">FAQ</>
- Then give the command <command>smbpasswd -a -m {machine}</> substituting in the
- client machine name.</para></listitem>
- <listitem><para> Logon to the NTws in question as a local admin, go to the
- <command>Control Panel, Network IdentificationTag</command>.</para></listitem>
- <listitem><para> Press the <command>Change</> button.</para></listitem>
- <listitem><para> Enter the Domain name (from the 'Workgroup' parameter, smb.conf)
- in the Domain Field.</para></listitem>
-<!-- <listitem><para> Now enter a user name
- and password for a Domain Admin <emphasis>(Who must be root
- until a pre-release bug is fixed)</emphasis> and press
- 'OK'.</para></listitem> -->
- <listitem><para> Press OK and after a few seconds you will get a 'Welcome to Whatever Domain'.
- Allow to reboot.</para></listitem>
-</itemizedlist>
-</listitem></varlistentry>
-
-<varlistentry><term><command>Windows 2000</></term><listitem>
-<itemizedlist>
- <listitem><para>Logon to the W2k machine as Administrator, go to the Control
- Panel and double click on <command>Network and Dialup Connections</>.
- </para></listitem>
- <listitem><para>Pull down the <command>Advanced</> menu and choose
- <command>Network Identification</>. Press <command>Properties
- </>. </para></listitem>
- <listitem><para>Choose <command>Domain</> and enter the domain name. Press 'OK'.</para></listitem>
- <listitem><para>Now enter a user name and password for a Domain Admin
- <emphasis>(Who must be root until a pre-release bug is fixed)</emphasis> and press
- 'OK'.</para></listitem>
- <listitem><para>Wait for the confirmation, reboot when prompted.</para></listitem>
-</itemizedlist>
- <para>To remove a W2K machine from the domain, follow the first two steps then
- choose <command>Workgroup</>, enter a work group name (or just WORKGROUP) and follow
- the prompts.</para>
-</listitem></varlistentry>
-
-
-</variablelist>
-
-</sect1>
-
-<sect1><title id=useraccount>User Accounts</title>
-
- <para><emphasis>Again, doing it manually (cos' the auto way is not working pre-release).
- </emphasis>
- In our simple case every domain user should have an account on the PDC. The
- account may have a null shell if they are not allowed to log on to the unix
- prompt. Again they need an entry in both the <filename>/etc/passwd</filename> and
- <filename>/usr/local/samba/private/smbpasswd</filename>. Again a password is
- not necessary in <filename>/etc/passwd</filename> but the location
- of the home directory is honoured.
- To make an entry for a user called Joe Blow you would typically do the following :</para>
-
- <para><command>adduser -g users -c 'Joe Blow' -s /bin/false -n joeblow</command></para>
-
- <para><command>smbpasswd -a joeblow</command></para>
-
- <para>And you will prompted to enter a password for Joe. Ideally he will be
- hovering over your shoulder and will, when asked, type in a password of
- his choice. There are a number of scripts and systems to ease the migration of users
- from somewhere to samba. Better start looking !</para>
-</sect1>
-
-<sect1><title id=domainadmin>Domain Admin Accounts</title>
-
- <para>Certain operations demand that the logged on user has Administrator
- privileges, typically installing software and
- doing maintenance tasks. It is very simple to appoint some users as Domain Admins,
- most likely yourself. Make
- sure you trust the appointee !</para>
-
- <para>Samba 2.2 recognizes particular users as being
- domain admins and tells the NTws when it thinks that it has got one logged on.
- In the smb.conf file we declare
- that the <filename>Domain Admin group = @adm</filename>.
- Any user who is a menber of the unix group 'adm' is treated as a Domain Admin by a NTws when
- logged onto the Domain. They will have full Administrator rights
- including the rights to change permissions on files and run the system
- utilities such as Disk Administrator. Add users to the group by editing <filename>
- /etc/group/</>. You do not need to use the 'adm' group, choose any one you like.</para>
-
- <para>Further, and this is very new, they will be allowed to create a
- new machine account when first connecting a new NT or W2K machine to
- the domain. <emphasis>However, at present, ie pre-release, only a Domain Admin who
- also happens to be root can do so. </emphasis></para>
-</sect1>
-</chapter>
-
-
-<!-- ======== P R O F I L E S P O L I C I E S and L O G O N S C R I P T S ======= -->
-
-<chapter><title>Profiles, Policies and Logon Scripts</title>
-
-<sect1><title>Profiles</title>
-
- <para>NT Profiles should work if you have followed the setup so far.
- A user's profile contains a whole lot of their personal settings,
- the contents of their desktop, personal 'My Documents' and so on.
- When they log off, all of the profile is copied to their directory
- on the server and is downloaded again when they logon on again, possibly
- on another client machine.</para>
-
- <para>Sounds great but can be a bit of a bug bear sometimes. Users let
- their profiles get too big and then complain about how long it takes
- to log on each time. This sample setup only supports NT profiles,
- rumor has it that it is also possible to do the same on Win95, my
- users don't know and I'm not telling them.</para>
-
- <note><para>There is more info about Profiles (including for W95/98)
- in the <ulink url="samba-pdc-faq.html">FAQ</>.</para></note>
-</sect1>
-
-<sect1><title>Policies</title>
-
- <para>Policies are an easy way to make or enforce specific characteristics across your network. You create a ntconfig.pol
- file and every time someone logs on with their NTws, the settings you put in ntconfig.pol are applied to the NTws.
- Typical setting are things like making the date appear the way you want it (none of these 2 figure years here) or
- maybe suppressing one of the splash screens. Perhaps you want to set the NTws so it does not keep users profiles
- on the local machine. Cool. The only problem is making the ntconfig.pol file itself. You cannot use the policy editor
- that comes with NTws.</para>
-
- <note><para>See the <ulink url="samba-pdc-faq.html">FAQ</> for pointers on how to get a suitable Policy Editor.</para></note>
-
- <para>The Policy Editor (and associated files) will create a
- <filename>ntconfig.pol</filename> file using the
- parameters Microsoft thought of and parameters you specify by making your own
- template file.</para>
-
- <para>In our example configuration here, Samba will expect to find
- the <filename>ntconfig.pol</filename> file in
- <filename>/usr/local/samba/netlogon</filename>. Needless to say (I hope !),
- it is vitally important that ordinary users don't have
- write permission to the Policy files.</para>
-</sect1>
-
-<sect1><title id=logonscript>Logon Scripts</title>
-
- <para>In the sample config file above there is a line
- <filename>logon script = scripts\%U.bat</filename></para>
-
- <note><para>Note that the slash is like this '\' not like this '/'.
- NT is happy with both, win95 is not !</para></note>
-
- <para>This allows you to run a dos batch file every time someone logs on. The batch
- file is located on the server, in the sample install mentioned here,
- its in <filename>/usr/local/samba/netlogon/scripts</filename> and
- is named after the user with <filename>.bat</filename> appended, eg Joe
- Blow's script is called <filename>/usr/local/samba/netlogon/scripts/joeblow.bat</filename>.</para>
-
- <note><para>There is a suggestion that user names longer than 8 characters may cause
- problems with some systems being unable to run logon scripts. This is confirmed in earlier
- versions when connecting using W95, comments about other combinations ??</para></note>
-
- <para>You could use a line like this <filename>logon script = default.bat</> and samba
- will supply <filename>/usr/local/samba/netlogon/default.bat</> for any client and every
- user. Maybe you could use %m and get a client machine dependant logon script.
- You get the idea...</para>
-
- <para>Note that the file is a dos batch file not a Unix script. It runs dos commands on the client
- computer with the logon user's permissions. It must be a dos file with each line ending with
- the dos cr/lf not a nice clean newline. Generally,
- its best to create the initial file on a DOS system and copy it across.</para>
-
- <para>There is lots of very clever uses of the Samba replaceable variables such
- ( %U = user, %G = primary group, %H = client machine, see the 'man 5 smb.conf') to
- give you control over which script runs when a particular person logs
- on. (Gee, it would be nice to have a default.bat run when nothing else is available.)</para>
-
- <para>Again, it is vitally important that ordinary users don't have write
- permission to other peoples, or even probably their own, logon script files.</para>
-
- <para>A typical logon script is reproduced below. Note that it runs separate
- commands for win95 and NT, that's because NT has slightly different behaviour
- when using the <filename>net use ..</filename> command. Its useful for lots of
- other situations too. I don't know what syntax to use for win98, I don't use it
- here.</para>
-
-<programlisting>
-
- rem Default logon script, create links to this file.
-
- net time \\bioserve /set /yes
- @echo off
- if %OS%.==Windows_NT. goto WinNT
-
- :Win95
- net use k: \\trillion\bio_prog
- net use p: \\bcfile\homes
- goto end
- :WinNT
- net use k: \\trillion\bio_prog /persistent:no
- net use p: \\bcfile\homes /persistent:no
-
- :end
-
-</programlisting>
-</sect1>
-</chapter>
-
-<chapter><title>Passwords and Authentication</title>
-
- <para>So far our configuration assumes that ordinary users don't have unix logon access. A change
- to the <link linkend=useraccount><filename>adduser</></> line above would allow unix logon
- but it would be with passwords that may
- be different from the NT logon. Clearly that won't suit everyone. Trying to explain to users
- that they need to change their passwords in two seperate places is not fun.
- Further, even if they cannot do a unix logon there are other processes that
- might require authentication. We have a nice securely encrypted password in
- <filename>/usr/local/samba/private/smbpasswd</filename>, why not use it ?</para>
-
-<sect1><title></>
-<sect2><title>Syncing Passwords</title>
-
- <para>Yes, its possible and seems the easiest way (initially anyway).
- The <ulink url="samba-pdc-faq.html">FAQ</> details how to
- do so in the sections <emphasis>What is password sync and should I use it ?</> and <emphasis>
- How do I get remote password (unix and SMB) changing working ?</></para>
-
-</sect2>
-
-<sect2><title>Using PAM</title>
- <para>Pam enabled systems have a much better solution available. The Samba
- PDC server will offer to authenticate domain users to other processes
- (either on this server or on the domain). With a suitable pam stack
- such as <ulink url="http://www.csn.ul.ie/~airlied/pam_smb/"> Pam_smb</ulink>
- you can get any pam aware application looking to the samba password and
- can leave the password field in <filename>/etc/shadow</filename>
- or <filename>/etc/passwd</filename> invalid.</para>
-</sect2>
-
-<sect2><title>Authenticating other Samba Servers</title>
- <para>In a domain that has a number of servers you only need one password database.
- The machines that don't have their own ask the PDC to check for them.
- This will work fine for a domain controlled by either a Samba or NT machine.</para>
-
- <para>To do so the Samba machine must be told to refer to the PDC and where the PDC is.
- See the section in the NTDom <ulink url="samba-pdc-faq.html">FAQ</> called <emphasis>How do I get my samba server to
- become a member ( not PDC ) of an NT domain?</></para>
-
-
-</sect2>
-</sect1>
-</chapter>
-
-
-<chapter><title>Background</title>
-
-<sect1><title></title>
-<sect2><title>History</title>
-
- <para>It might help you understand the limitations of the PDC in Samba if you
- read something of its history. Well, the history as I understand it anyway.</para>
-
- <para>For many years the Samba team have been developing Samba, some time ago
- a number of people, possibly lead by Luke Leighton started contributing NT
- PDC stuff. This was added to the 'head' stream (that would eventually
- become the next version) and later to a seperate stream (NTDom). They did so
- much that eventually this development stream was so mutated that it could not
- be merged back into the main stream and was abandoned towards the end of 1999.
- And that was very sad because many users, myself include had become heavily
- dependant on the NTController facilities it offered. Oh well...</para>
-
- <para>The NTDom team continued on with their new found knowledge however and
- built the TNG stream. Intended to be carefully controlled so that it can be
- merged back into the main stream and benefiting from what they learnt, it is
- a very different product to the origional NTDom product. However, for a
- number of reasons, the merge did not take place and now TNG is being developed
- at <ulink url="http://www.samba-tng.org">http://www.samba-tng.org</>.</para>
-
- <para>Now, the NTDom things that the main strean 2.0.x version does is based more
- on the old (initial version) abandoned code than on the TNG ideas. It appears
- that version 2.2.0 will also include an improved version of the 2.0.7 domain
- controller charactistics, not the TNG ways. The developers have indicated
- that 2.2.0 will be further developed incrementally and the ideas from TNG
- incorporated into it.</para>
-
- <para>One more little wriggle is worth mentioning. At one stage the NTDom
- stream was called Samba 2.1.0-prealpha and similar names. This is most
- unfortunate because at least one book published advises people who want to
- use NTDom Samba to get version 2.1.0 or later. As main stream Samba will soon
- be called 2.2.0 and NOT officially supporting NTDom Controlling functions,
- the potential for confusion is certainly there.</para>
-</sect2>
-
-<sect2><title>The Future</title>
-
- <para>There is a document on the Samba mirrors called <emphasis>'Development'
- </emphasis>. It offers the 'best guess' of what is planned for future releases
- of Samba.</para>
-
- <para>The future of Samba as a Primary Domain Controller appears rosie, however
- be aware that its the future, not the present. The developers are strongly committed
- to building a full featured PDC into Samba but it will take time. If this
- version does not meet your requirements then you should consider (in no particular
- order) :</para>
-
- <itemizedlist>
- <listitem><para> Wait. No, we don't know how long. Repeated asking won't help.</para></listitem>
- <listitem><para>Investigate the development versions, TNG perhaps or HEAD where new code is being added
- all the time. Realise that development code is often unstable, poorly documented and subject to change.
- You will need to use cvs to download development versions.</para></listitem>
- <listitem><para>Join one of the Samba mailing lists so that you can find out
- what is happening on the 'bleeding edge'.</para></listitem>
- </itemizedlist>
-</sect2>
-
-<sect2><title>Getting further help</title>
-
- <para>This document cannot possibly answer all your questions. Please understand that its very
- likely that someone has been confrounted by the same problem that you have. The
- <ulink url="samba-pdc-faq.html">FAQ</>
- discusses a number of possible paths to take to get further help :</para>
-
-
- <itemizedlist>
- <listitem><para>Documents on the Samba Sites.</para></listitem>
- <listitem><para>Other web sites.</para></listitem>
- <listitem><para>Mailing list.</para></listitem>
- </itemizedlist>
-
- <para>There is some discussion about guide lines for using the Mailing Lists on the
- accompanying <ulink url="samba-pdc-faq.html">FAQ</>,
- please read them before posting.</para>
-
-</sect2>
-</sect1>
-</chapter>
-
-</book>