blob: 45236cda4623035be5a69c30c9ebf572a78992c9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML
><HEAD
><TITLE
>Samba as a ADS domain member</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
REL="HOME"
TITLE="SAMBA Project Documentation"
HREF="samba-howto-collection.html"><LINK
REL="UP"
TITLE="Type of installation"
HREF="type.html"><LINK
REL="PREVIOUS"
TITLE="Samba Backup Domain Controller to Samba Domain Control"
HREF="samba-bdc.html"><LINK
REL="NEXT"
TITLE="Samba as a NT4 or Win2k domain member"
HREF="domain-security.html"></HEAD
><BODY
CLASS="CHAPTER"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>SAMBA Project Documentation</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="samba-bdc.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="domain-security.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="CHAPTER"
><H1
><A
NAME="ADS"
></A
>Chapter 8. Samba as a ADS domain member</H1
><P
>This is a rough guide to setting up Samba 3.0 with kerberos authentication against a
Windows2000 KDC. </P
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="AEN1355"
>8.1. Setup your <TT
CLASS="FILENAME"
>smb.conf</TT
></A
></H1
><P
>You must use at least the following 3 options in smb.conf:</P
><P
><PRE
CLASS="PROGRAMLISTING"
> realm = YOUR.KERBEROS.REALM
security = ADS
encrypt passwords = yes</PRE
></P
><P
>In case samba can't figure out your ads server using your realm name, use the
<B
CLASS="COMMAND"
>ads server</B
> option in <TT
CLASS="FILENAME"
>smb.conf</TT
>:
<PRE
CLASS="PROGRAMLISTING"
> ads server = your.kerberos.server</PRE
></P
><DIV
CLASS="NOTE"
><P
></P
><TABLE
CLASS="NOTE"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="/usr/share/sgml/docbook/stylesheet/dsssl/modular/images/note.gif"
HSPACE="5"
ALT="Note"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>You do *not* need a smbpasswd file, and older clients will
be authenticated as if <B
CLASS="COMMAND"
>security = domain</B
>,
although it won't do any harm
and allows you to have local users not in the domain.
I expect that the above required options will change soon when we get better
active directory integration.</P
></TD
></TR
></TABLE
></DIV
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="AEN1368"
>8.2. Setup your <TT
CLASS="FILENAME"
>/etc/krb5.conf</TT
></A
></H1
><P
>The minimal configuration for <TT
CLASS="FILENAME"
>krb5.conf</TT
> is:</P
><P
><PRE
CLASS="PROGRAMLISTING"
>[realms]
YOUR.KERBEROS.REALM = {
kdc = your.kerberos.server
}</PRE
></P
><P
>Test your config by doing a <KBD
CLASS="USERINPUT"
>kinit <VAR
CLASS="REPLACEABLE"
>USERNAME</VAR
>@<VAR
CLASS="REPLACEABLE"
>REALM</VAR
></KBD
> and making sure that
your password is accepted by the Win2000 KDC. </P
><DIV
CLASS="NOTE"
><P
></P
><TABLE
CLASS="NOTE"
WIDTH="100%"
BORDER="0"
><TR
><TD
WIDTH="25"
ALIGN="CENTER"
VALIGN="TOP"
><IMG
SRC="/usr/share/sgml/docbook/stylesheet/dsssl/modular/images/note.gif"
HSPACE="5"
ALT="Note"></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><P
>The realm must be uppercase. </P
></TD
></TR
></TABLE
></DIV
><P
>You also must ensure that you can do a reverse DNS lookup on the IP
address of your KDC. Also, the name that this reverse lookup maps to
must either be the netbios name of the KDC (ie. the hostname with no
domain attached) or it can alternatively be the netbios name
followed by the realm. </P
><P
>The easiest way to ensure you get this right is to add a
<TT
CLASS="FILENAME"
>/etc/hosts</TT
> entry mapping the IP address of your KDC to
its netbios name. If you don't get this right then you will get a
"local error" when you try to join the realm.</P
><P
>If all you want is kerberos support in <SPAN
CLASS="APPLICATION"
>smbclient</SPAN
> then you can skip
straight to <A
HREF="ads.html#ADS-TEST-SMBCLIENT"
>Test with <SPAN
CLASS="APPLICATION"
>smbclient</SPAN
></A
> now.
<A
HREF="ads.html#ADS-CREATE-MACHINE-ACCOUNT"
>Creating a computer account</A
>
and <A
HREF="ads.html#ADS-TEST-SERVER"
>testing your servers</A
>
is only needed if you want kerberos
support for <SPAN
CLASS="APPLICATION"
>smbd</SPAN
> and <SPAN
CLASS="APPLICATION"
>winbindd</SPAN
>.</P
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="ADS-CREATE-MACHINE-ACCOUNT"
>8.3. Create the computer account</A
></H1
><P
>As a user that has write permission on the Samba private directory
(usually root) run:
<KBD
CLASS="USERINPUT"
>net ads join</KBD
></P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN1396"
>8.3.1. Possible errors</A
></H2
><P
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>"ADS support not compiled in"</DT
><DD
><P
>Samba must be reconfigured (remove config.cache) and recompiled (make clean all install) after the kerberos libs and headers are installed.</P
></DD
></DL
></DIV
></P
></DIV
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="ADS-TEST-SERVER"
>8.4. Test your server setup</A
></H1
><P
>On a Windows 2000 client try <KBD
CLASS="USERINPUT"
>net use * \\server\share</KBD
>. You should
be logged in with kerberos without needing to know a password. If
this fails then run <KBD
CLASS="USERINPUT"
>klist tickets</KBD
>. Did you get a ticket for the
server? Does it have an encoding type of DES-CBC-MD5 ? </P
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="ADS-TEST-SMBCLIENT"
>8.5. Testing with <SPAN
CLASS="APPLICATION"
>smbclient</SPAN
></A
></H1
><P
>On your Samba server try to login to a Win2000 server or your Samba
server using <SPAN
CLASS="APPLICATION"
>smbclient</SPAN
> and kerberos. Use <SPAN
CLASS="APPLICATION"
>smbclient</SPAN
> as usual, but
specify the <VAR
CLASS="PARAMETER"
>-k</VAR
> option to choose kerberos authentication.</P
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="AEN1416"
>8.6. Notes</A
></H1
><P
>You must change administrator password at least once after DC
install, to create the right encoding types</P
><P
>w2k doesn't seem to create the _kerberos._udp and _ldap._tcp in
their defaults DNS setup. Maybe fixed in service packs?</P
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="samba-bdc.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="samba-howto-collection.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="domain-security.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Samba Backup Domain Controller to Samba Domain Control</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="type.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Samba as a NT4 or Win2k domain member</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
|
