summaryrefslogtreecommitdiff
path: root/src/man/sssd-ipa.5.xml
blob: bbee1f80a55d4c9743daca51efb47b4071e1ff7b (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
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE reference PUBLIC "-//OASIS//DTD DocBook V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<reference>
<title>SSSD Manual pages</title>
<refentry>
    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/upstream.xml" />

    <refmeta>
        <refentrytitle>sssd-ipa</refentrytitle>
        <manvolnum>5</manvolnum>
        <refmiscinfo class="manual">File Formats and Conventions</refmiscinfo>
    </refmeta>

    <refnamediv id='name'>
        <refname>sssd-ipa</refname>
        <refpurpose>SSSD IPA provider</refpurpose>
    </refnamediv>

    <refsect1 id='description'>
        <title>DESCRIPTION</title>
        <para>
            This manual page describes the configuration of the IPA provider
            for
            <citerefentry>
                <refentrytitle>sssd</refentrytitle>
                <manvolnum>8</manvolnum>
            </citerefentry>.
            For a detailed syntax reference, refer to the <quote>FILE FORMAT</quote> section of the
            <citerefentry>
                <refentrytitle>sssd.conf</refentrytitle>
                <manvolnum>5</manvolnum>
            </citerefentry> manual page.
        </para>
        <para>
            The IPA provider is a back end used to connect to an IPA server.
            (Refer to the freeipa.org web site for information about IPA servers.)
            This provider requires that the machine be joined to the IPA domain;
            configuration is almost entirely self-discovered and obtained
            directly from the server.
        </para>
        <para>
            The IPA provider accepts the same options used by the
            <citerefentry>
                <refentrytitle>sssd-ldap</refentrytitle>
                <manvolnum>5</manvolnum>
            </citerefentry> identity provider and the
            <citerefentry>
                <refentrytitle>sssd-krb5</refentrytitle>
                <manvolnum>5</manvolnum>
            </citerefentry> authentication provider with some exceptions described
            below.
        </para>
        <para>
            However, it is neither necessary nor recommended to set these options.
            IPA provider can also be used as an access and chpass provider. As an
            access provider it uses HBAC (host-based access control) rules. Please
            refer to freeipa.org for more information about HBAC. No configuration
            of access provider is required on the client side.
        </para>
        <para>
            The IPA provider will use the PAC responder if the Kerberos tickets
            of users from trusted realms contain a PAC. To make configuration
            easier the PAC responder is started automatically if the IPA ID
            provider is configured.
        </para>
    </refsect1>

    <refsect1 id='configuration-options'>
        <title>CONFIGURATION OPTIONS</title>
        <para>Refer to the section <quote>DOMAIN SECTIONS</quote> of the
            <citerefentry>
                <refentrytitle>sssd.conf</refentrytitle>
                <manvolnum>5</manvolnum>
            </citerefentry> manual page for details on the configuration of an SSSD domain.
            <variablelist>
                <varlistentry>
                    <term>ipa_domain (string)</term>
                    <listitem>
                        <para>
                            Specifies the name of the IPA domain.
                            This is optional. If not provided, the configuration
                            domain name is used.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_server, ipa_backup_server (string)</term>
                    <listitem>
                        <para>
                            The comma-separated list of IP addresses or hostnames of the
                            IPA servers to which SSSD should connect in
                            the order of preference. For more information
                            on failover and server redundancy, see the
                            <quote>FAILOVER</quote> section.
                            This is optional if autodiscovery is enabled.
                            For more information on service discovery, refer
                            to the <quote>SERVICE DISCOVERY</quote> section.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_hostname (string)</term>
                    <listitem>
                        <para>
                            Optional. May be set on machines where the
                            hostname(5) does not reflect the fully qualified
                            name used in the IPA domain to identify this host.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>dyndns_update (boolean)</term>
                    <listitem>
                        <para>
                            Optional. This option tells SSSD to automatically
                            update the DNS server built into FreeIPA v2 with
                            the IP address of this client. The update is
                            secured using GSS-TSIG. The IP address of the IPA
                            LDAP connection is used for the updates, if it is
                            not otherwise specified by using the
                            <quote>dyndns_iface</quote> option.
                        </para>
                        <para>
                            NOTE: On older systems (such as RHEL 5), for this
                            behavior to work reliably, the default Kerberos
                            realm must be set properly in /etc/krb5.conf
                        </para>
                        <para>
                            NOTE: While it is still possible to use the old
                            <emphasis>ipa_dyndns_update</emphasis> option, users
                            should migrate to using <emphasis>dyndns_update</emphasis>
                            in their config file.
                        </para>
                        <para>
                            Default: false
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>dyndns_ttl (integer)</term>
                    <listitem>
                        <para>
                            The TTL to apply to the client DNS record when updating it.
                            If dyndns_update is false this has no effect. This will
                            override the TTL serverside if set by an administrator.
                        </para>
                        <para>
                            NOTE: While it is still possible to use the old
                            <emphasis>ipa_dyndns_ttl</emphasis> option, users
                            should migrate to using <emphasis>dyndns_ttl</emphasis>
                            in their config file.
                        </para>
                        <para>
                            Default: 1200 (seconds)
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>dyndns_iface (string)</term>
                    <listitem>
                        <para>
                            Optional. Applicable only when dyndns_update
                            is true. Choose the interface whose IP address
                            should be used for dynamic DNS updates.
                        </para>
                        <para>
                            NOTE: While it is still possible to use the old
                            <emphasis>ipa_dyndns_iface</emphasis> option, users
                            should migrate to using <emphasis>dyndns_iface</emphasis>
                            in their config file.
                        </para>
                        <para>
                            Default: Use the IP address of the IPA LDAP connection
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_enable_dns_sites (boolean)</term>
                    <listitem>
                        <para>
                            Enables DNS sites - location based
                            service discovery.
                        </para>
                        <para>
                            If true and service discovery (see Service
                            Discovery paragraph at the bottom of the man page)
                            is enabled, then the SSSD will first attempt
                            location based discovery using a query that contains
                            "_location.hostname.example.com" and then fall back
                            to traditional SRV discovery. If the location based
                            discovery succeeds, the IPA servers located with
                            the location based discovery are treated as primary
                            servers and the IPA servers located using the
                            traditional SRV discovery are used as back up
                            servers
                        </para>
                        <para>
                            Default: false
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>dyndns_refresh_interval (integer)</term>
                    <listitem>
                        <para>
                            How often should the back end perform periodic DNS update in
                            addition to the automatic update performed when the back end
                            goes online.
                            This option is optional and applicable only when dyndns_update
                            is true.
                        </para>
                        <para>
                            Default: 0 (disabled)
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>dyndns_update_ptr (bool)</term>
                    <listitem>
                        <para>
                            Whether the PTR record should also be explicitly
                            updated when updating the client's DNS records.
                            Applicable only when dyndns_update is true.
                        </para>
                        <para>
                            This option should be False in most IPA
                            deployments as the IPA server generates the
                            PTR records automatically when forward records
                            are changed.
                        </para>
                        <para>
                            Default: False (disabled)
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>dyndns_force_tcp (bool)</term>
                    <listitem>
                        <para>
                            Whether the nsupdate utility should default to using
                            TCP for communicating with the DNS server.
                        </para>
                        <para>
                            Default: False (let nsupdate choose the protocol)
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_hbac_search_base (string)</term>
                    <listitem>
                        <para>
                            Optional. Use the given string as search base for
                            HBAC related objects.
                        </para>
                        <para>
                            Default: Use base DN
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_host_search_base (string)</term>
                    <listitem>
                        <para>
                            Optional. Use the given string as search base for
                            host objects.
                        </para>
                        <para>
                            See <quote>ldap_search_base</quote> for
                            information about configuring multiple search
                            bases.
                        </para>
                        <para>
                            Default: the value of
                            <emphasis>ldap_search_base</emphasis>
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_selinux_search_base (string)</term>
                    <listitem>
                        <para>
                            Optional. Use the given string as search base for
                            SELinux user maps.
                        </para>
                        <para>
                            See <quote>ldap_search_base</quote> for
                            information about configuring multiple search
                            bases.
                        </para>
                        <para>
                            Default: the value of
                            <emphasis>ldap_search_base</emphasis>
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_subdomains_search_base (string)</term>
                    <listitem>
                        <para>
                            Optional. Use the given string as search base for
                            trusted domains.
                        </para>
                        <para>
                            See <quote>ldap_search_base</quote> for
                            information about configuring multiple search
                            bases.
                        </para>
                        <para>
                            Default: the value of
                            <emphasis>cn=trusts,%basedn</emphasis>
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_master_domain_search_base (string)</term>
                    <listitem>
                        <para>
                            Optional. Use the given string as search base for
                            master domain object.
                        </para>
                        <para>
                            See <quote>ldap_search_base</quote> for
                            information about configuring multiple search
                            bases.
                        </para>
                        <para>
                            Default: the value of
                            <emphasis>cn=ad,cn=etc,%basedn</emphasis>
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_validate (boolean)</term>
                    <listitem>
                        <para>
                            Verify with the help of krb5_keytab that the TGT
                            obtained has not been spoofed.
                        </para>
                        <para>
                            Default: true
                        </para>
                        <para>
                             Note that this default differs from the
                             traditional Kerberos provider back end.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_realm (string)</term>
                    <listitem>
                        <para>
                            The name of the Kerberos realm. This is optional and
                            defaults to the value of <quote>ipa_domain</quote>.
                        </para>
                        <para>
                            The name of the Kerberos realm has a special
                            meaning in IPA - it is converted into the base
                            DN to use for performing LDAP operations.
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>krb5_canonicalize (boolean)</term>
                    <listitem>
                        <para>
                            Specifies if the host and user principal should be
                            canonicalized when connecting to IPA LDAP and also for AS
                            requests. This feature is available with MIT
                            Kerberos >= 1.7
                        </para>

                        <para>
                            Default: true
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_hbac_refresh (integer)</term>
                    <listitem>
                        <para>
                            The amount of time between lookups of the HBAC
                            rules against the IPA server. This will reduce the
                            latency and load on the IPA server if there are
                            many access-control requests made in a short
                            period.
                        </para>
                        <para>
                            Default: 5 (seconds)
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_hbac_selinux (integer)</term>
                    <listitem>
                        <para>
                            The amount of time between lookups of the SELinux
                            maps against the IPA server. This will reduce the
                            latency and load on the IPA server if there are
                            many user login requests made in a short
                            period.
                        </para>
                        <para>
                            Default: 5 (seconds)
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_hbac_treat_deny_as (string)</term>
                    <listitem>
                        <para>
                            This option specifies how to treat the deprecated
                            DENY-type HBAC rules. As of FreeIPA v2.1, DENY
                            rules are no longer supported on the server. All
                            users of FreeIPA will need to migrate their rules
                            to use only the ALLOW rules. The client will
                            support two modes of operation during this
                            transition period:
                        </para>
                        <para>
                            <emphasis>DENY_ALL</emphasis>: If any HBAC DENY
                            rules are detected, all users will be denied
                            access.
                        </para>
                        <para>
                            <emphasis>IGNORE</emphasis>: SSSD will ignore any
                            DENY rules. Be very careful with this option, as
                            it may result in opening unintended access.
                        </para>
                        <para>
                            Default: DENY_ALL
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry>
                    <term>ipa_server_mode (boolean)</term>
                    <listitem>
                        <para>
                            This option should only be set by the IPA
                            installer.
                        </para>
                        <para>
                            The option denotes that the SSSD is running on
                            IPA server and should perform lookups of users
                            and groups from trusted domains differently.
                        </para>
                        <para>
                            Default: false
                        </para>
                    </listitem>
                </varlistentry>

                <varlistentry condition="with_autofs">
                    <term>ipa_automount_location (string)</term>
                    <listitem>
                        <para>
                            The automounter location this IPA client will be using
                        </para>
                        <para>
                            Default: The location named "default"
                        </para>
                        <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/autofs_restart.xml" />
                    </listitem>
                </varlistentry>
            </variablelist>
        </para>
    </refsect1>

    <refsect1 id='subdomains_provider'>
        <title>SUBDOMAINS PROVIDER</title>
        <para>
            The IPA subdomains provider behaves slightly differently
            if it is configured explicitly or implicitly.
        </para>
        <para>
            If the option 'subdomains_provider = ipa' is found in the
            domain section of sssd.conf, the IPA subdomains provider is
            configured explicitly, and all subdomain requests are sent to the
            IPA server if necessary.
        </para>
        <para>
            If the option 'subdomains_provider' is not set in the domain
            section of sssd.conf but there is the option 'id_provider = ipa',
            the IPA subdomains provider is configured implicitly. In this case,
            if a subdomain request fails and indicates that the server does not
            support subdomains, i.e. is not configured for trusts, the IPA
            subdomains provider is disabled. After an hour or after the IPA
            provider goes online, the subdomains provider is enabled again.
        </para>
    </refsect1>

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/failover.xml" />

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/service_discovery.xml" />

    <refsect1 id='example'>
        <title>EXAMPLE</title>
        <para>
            The following example assumes that SSSD is correctly
            configured and example.com is one of the domains in the
            <replaceable>[sssd]</replaceable> section. This examples shows only
            the ipa provider-specific options.
        </para>
        <para>
<programlisting>
    [domain/example.com]
    id_provider = ipa
    ipa_server = ipaserver.example.com
    ipa_hostname = myhost.example.com
</programlisting>
        </para>
    </refsect1>

	<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/seealso.xml" />

</refentry>
</reference>