Provided by: sssd_1.8.2-0ubuntu1_amd64 bug

NAME

       sssd-ldap - the configuration file for SSSD

DESCRIPTION

       This manual page describes the configuration of LDAP domains for sssd(8). Refer to the
       “FILE FORMAT” section of the sssd.conf(5) manual page for detailed syntax information.

       You can configure SSSD to use more than one LDAP domain.

       LDAP back end supports id, auth, access and chpass providers. If you want to authenticate
       against an LDAP server either TLS/SSL or LDAPS is required.  sssd does not support
       authentication over an unencrypted channel. If the LDAP server is used only as an identity
       provider, an encrypted channel is not needed. Please refer to “ldap_access_filter” config
       option for more information about using LDAP as an access provider.

CONFIGURATION OPTIONS

       All of the common configuration options that apply to SSSD domains also apply to LDAP
       domains. Refer to the “DOMAIN SECTIONS” section of the sssd.conf(5) manual page for full
       details.

       ldap_uri (string)
           Specifies the comma-separated list of URIs of the LDAP servers to which SSSD should
           connect in the order of preference. Refer to the “FAILOVER” section for more
           information on failover and server redundancy. If not specified, service discovery is
           enabled. For more information, refer to the “SERVICE DISCOVERY” section.

           The format of the URI must match the format defined in RFC 2732:

           ldap[s]://<host>[:port]

           For explicit IPv6 addresses, <host> must be enclosed in brackets []

           example: ldap://[fc00::126:25]:389

       ldap_chpass_uri (string)
           Specifies the comma-separated list of URIs of the LDAP servers to which SSSD should
           connect in the order of preference to change the password of a user. Refer to the
           “FAILOVER” section for more information on failover and server redundancy.

           To enable service discovery ldap_chpass_dns_service_name must be set.

           Default: empty, i.e. ldap_uri is used.

       ldap_search_base (string)
           The default base DN to use for performing LDAP user operations.

           Starting with SSSD 1.7.0, SSSD supports multiple search bases using the syntax:

           search_base[?scope?[filter][?search_base?scope?[filter]]*]

           The scope can be one of "base", "onelevel" or "subtree".

           The filter must be a valid LDAP search filter as specified by
           http://www.ietf.org/rfc/rfc2254.txt

           Examples:

           ldap_search_base = dc=example,dc=com (which is equivalent to) ldap_search_base =
           dc=example,dc=com?subtree?

           ldap_search_base =
           cn=host_specific,dc=example,dc=com?subtree?(host=thishost)?dc=example.com?subtree?

           Note: It is unsupported to have multiple search bases which reference
           identically-named objects (for example, groups with the same name in two different
           search bases). This will lead to unpredictable behavior on client machines.

           Default: If not set, the value of the defaultNamingContext or namingContexts attribute
           from the RootDSE of the LDAP server is used. If defaultNamingContext does not exists
           or has an empty value namingContexts is used. The namingContexts attribute must have a
           single value with the DN of the search base of the LDAP server to make this work.
           Multiple values are are not supported.

       ldap_schema (string)
           Specifies the Schema Type in use on the target LDAP server. Depending on the selected
           schema, the default attribute names retrieved from the servers may vary. The way that
           some attributes are handled may also differ. Three schema types are currently
           supported: rfc2307 rfc2307bis IPA The main difference between these schema types is
           how group memberships are recorded in the server. With rfc2307, group members are
           listed by name in the memberUid attribute. With rfc2307bis and IPA, group members are
           listed by DN and stored in the member attribute.

           Default: rfc2307

       ldap_default_bind_dn (string)
           The default bind DN to use for performing LDAP operations.

       ldap_default_authtok_type (string)
           The type of the authentication token of the default bind DN.

           The two mechanisms currently supported are:

           password

           obfuscated_password

           Default: password

       ldap_default_authtok (string)
           The authentication token of the default bind DN. Only clear text passwords are
           currently supported.

       ldap_user_object_class (string)
           The object class of a user entry in LDAP.

           Default: posixAccount

       ldap_user_name (string)
           The LDAP attribute that corresponds to the user's login name.

           Default: uid

       ldap_user_uid_number (string)
           The LDAP attribute that corresponds to the user's id.

           Default: uidNumber

       ldap_user_gid_number (string)
           The LDAP attribute that corresponds to the user's primary group id.

           Default: gidNumber

       ldap_user_gecos (string)
           The LDAP attribute that corresponds to the user's gecos field.

           Default: gecos

       ldap_user_home_directory (string)
           The LDAP attribute that contains the name of the user's home directory.

           Default: homeDirectory

       ldap_user_shell (string)
           The LDAP attribute that contains the path to the user's default shell.

           Default: loginShell

       ldap_user_uuid (string)
           The LDAP attribute that contains the UUID/GUID of an LDAP user object.

           Default: nsUniqueId

       ldap_user_modify_timestamp (string)
           The LDAP attribute that contains timestamp of the last modification of the parent
           object.

           Default: modifyTimestamp

       ldap_user_shadow_last_change (string)
           When using ldap_pwd_policy=shadow, this parameter contains the name of an LDAP
           attribute corresponding to its shadow(5) counterpart (date of the last password
           change).

           Default: shadowLastChange

       ldap_user_shadow_min (string)
           When using ldap_pwd_policy=shadow, this parameter contains the name of an LDAP
           attribute corresponding to its shadow(5) counterpart (minimum password age).

           Default: shadowMin

       ldap_user_shadow_max (string)
           When using ldap_pwd_policy=shadow, this parameter contains the name of an LDAP
           attribute corresponding to its shadow(5) counterpart (maximum password age).

           Default: shadowMax

       ldap_user_shadow_warning (string)
           When using ldap_pwd_policy=shadow, this parameter contains the name of an LDAP
           attribute corresponding to its shadow(5) counterpart (password warning period).

           Default: shadowWarning

       ldap_user_shadow_inactive (string)
           When using ldap_pwd_policy=shadow, this parameter contains the name of an LDAP
           attribute corresponding to its shadow(5) counterpart (password inactivity period).

           Default: shadowInactive

       ldap_user_shadow_expire (string)
           When using ldap_pwd_policy=shadow or ldap_account_expire_policy=shadow, this parameter
           contains the name of an LDAP attribute corresponding to its shadow(5) counterpart
           (account expiration date).

           Default: shadowExpire

       ldap_user_krb_last_pwd_change (string)
           When using ldap_pwd_policy=mit_kerberos, this parameter contains the name of an LDAP
           attribute storing the date and time of last password change in kerberos.

           Default: krbLastPwdChange

       ldap_user_krb_password_expiration (string)
           When using ldap_pwd_policy=mit_kerberos, this parameter contains the name of an LDAP
           attribute storing the date and time when current password expires.

           Default: krbPasswordExpiration

       ldap_user_ad_account_expires (string)
           When using ldap_account_expire_policy=ad, this parameter contains the name of an LDAP
           attribute storing the expiration time of the account.

           Default: accountExpires

       ldap_user_ad_user_account_control (string)
           When using ldap_account_expire_policy=ad, this parameter contains the name of an LDAP
           attribute storing the user account control bit field.

           Default: userAccountControl

       ldap_ns_account_lock (string)
           When using ldap_account_expire_policy=rhds or equivalent, this parameter determines if
           access is allowed or not.

           Default: nsAccountLock

       ldap_user_nds_login_disabled (string)
           When using ldap_account_expire_policy=nds, this attribute determines if access is
           allowed or not.

           Default: loginDisabled

       ldap_user_nds_login_expiration_time (string)
           When using ldap_account_expire_policy=nds, this attribute determines until which date
           access is granted.

           Default: loginDisabled

       ldap_user_nds_login_allowed_time_map (string)
           When using ldap_account_expire_policy=nds, this attribute determines the hours of a
           day in a week when access is granted.

           Default: loginAllowedTimeMap

       ldap_user_principal (string)
           The LDAP attribute that contains the user's Kerberos User Principal Name (UPN).

           Default: krbPrincipalName

       ldap_user_ssh_public_key (string)
           The LDAP attribute that contains the user's SSH public keys.

       ldap_force_upper_case_realm (boolean)
           Some directory servers, for example Active Directory, might deliver the realm part of
           the UPN in lower case, which might cause the authentication to fail. Set this option
           to a non-zero value if you want to use an upper-case realm.

           Default: false

       ldap_enumeration_refresh_timeout (integer)
           Specifies how many seconds SSSD has to wait before refreshing its cache of enumerated
           records.

           Default: 300

       ldap_purge_cache_timeout (integer)
           Determine how often to check the cache for inactive entries (such as groups with no
           members and users who have never logged in) and remove them to save space.

           Setting this option to zero will disable the cache cleanup operation.

           Default: 10800 (12 hours)

       ldap_user_fullname (string)
           The LDAP attribute that corresponds to the user's full name.

           Default: cn

       ldap_user_member_of (string)
           The LDAP attribute that lists the user's group memberships.

           Default: memberOf

       ldap_user_authorized_service (string)
           If access_provider=ldap and ldap_access_order=authorized_service, SSSD will use the
           presence of the authorizedService attribute in the user's LDAP entry to determine
           access privilege.

           An explicit deny (!svc) is resolved first. Second, SSSD searches for explicit allow
           (svc) and finally for allow_all (*).

           Default: authorizedService

       ldap_user_authorized_host (string)
           If access_provider=ldap and ldap_access_order=host, SSSD will use the presence of the
           host attribute in the user's LDAP entry to determine access privilege.

           An explicit deny (!host) is resolved first. Second, SSSD searches for explicit allow
           (host) and finally for allow_all (*).

           Default: host

       ldap_group_object_class (string)
           The object class of a group entry in LDAP.

           Default: posixGroup

       ldap_group_name (string)
           The LDAP attribute that corresponds to the group name.

           Default: cn

       ldap_group_gid_number (string)
           The LDAP attribute that corresponds to the group's id.

           Default: gidNumber

       ldap_group_member (string)
           The LDAP attribute that contains the names of the group's members.

           Default: memberuid (rfc2307) / member (rfc2307bis)

       ldap_group_uuid (string)
           The LDAP attribute that contains the UUID/GUID of an LDAP group object.

           Default: nsUniqueId

       ldap_group_modify_timestamp (string)
           The LDAP attribute that contains timestamp of the last modification of the parent
           object.

           Default: modifyTimestamp

       ldap_group_nesting_level (integer)
           If ldap_schema is set to a schema format that supports nested groups (e.g.
           RFC2307bis), then this option controls how many levels of nesting SSSD will follow.
           This option has no effect on the RFC2307 schema.

           Default: 2

       ldap_netgroup_object_class (string)
           The object class of a netgroup entry in LDAP.

           In IPA provider, ipa_netgroup_object_class should be used instead.

           Default: nisNetgroup

       ldap_netgroup_name (string)
           The LDAP attribute that corresponds to the netgroup name.

           In IPA provider, ipa_netgroup_name should be used instead.

           Default: cn

       ldap_netgroup_member (string)
           The LDAP attribute that contains the names of the netgroup's members.

           In IPA provider, ipa_netgroup_member should be used instead.

           Default: memberNisNetgroup

       ldap_netgroup_triple (string)
           The LDAP attribute that contains the (host, user, domain) netgroup triples.

           This option is not available in IPA provider.

           Default: nisNetgroupTriple

       ldap_netgroup_uuid (string)
           The LDAP attribute that contains the UUID/GUID of an LDAP netgroup object.

           In IPA provider, ipa_netgroup_uuid should be used instead.

           Default: nsUniqueId

       ldap_netgroup_modify_timestamp (string)
           The LDAP attribute that contains timestamp of the last modification of the parent
           object.

           This option is not available in IPA provider.

           Default: modifyTimestamp

       ldap_service_object_class (string)
           The object class of a service entry in LDAP.

           Default: ipService

       ldap_service_name (string)
           The LDAP attribute that contains the name of service attributes and their aliases.

           Default: cn

       ldap_service_port (string)
           The LDAP attribute that contains the port managed by this service.

           Default: ipServicePort

       ldap_service_proto (string)
           The LDAP attribute that contains the protocols understood by this service.

           Default: ipServiceProtocol

       ldap_service_search_base (string)
           An optional base DN to restrict service searches to a specific subtree.

           See “ldap_search_base” for information about configuring multiple search bases.

           Default: the value of ldap_search_base

       ldap_search_timeout (integer)
           Specifies the timeout (in seconds) that ldap searches are allowed to run before they
           are cancelled and cached results are returned (and offline mode is entered)

           Note: this option is subject to change in future versions of the SSSD. It will likely
           be replaced at some point by a series of timeouts for specific lookup types.

           Default: 6

       ldap_enumeration_search_timeout (integer)
           Specifies the timeout (in seconds) that ldap searches for user and group enumerations
           are allowed to run before they are cancelled and cached results are returned (and
           offline mode is entered)

           Default: 60

       ldap_network_timeout (integer)
           Specifies the timeout (in seconds) after which the poll(2)/select(2) following a
           connect(2) returns in case of no activity.

           Default: 6

       ldap_opt_timeout (integer)
           Specifies a timeout (in seconds) after which calls to synchronous LDAP APIs will abort
           if no response is received. Also controls the timeout when communicating with the KDC
           in case of SASL bind.

           Default: 6

       ldap_connection_expire_timeout (integer)
           Specifies a timeout (in seconds) that a connection to an LDAP server will be
           maintained. After this time, the connection will be re-established. If used in
           parallel with SASL/GSSAPI, the sooner of the two values (this value vs. the TGT
           lifetime) will be used.

           Default: 900 (15 minutes)

       ldap_page_size (integer)
           Specify the number of records to retrieve from LDAP in a single request. Some LDAP
           servers enforce a maximum limit per-request.

           Default: 1000

       ldap_disable_paging
           Disable the LDAP paging control. This option should be used if the LDAP server reports
           that it supports the LDAP paging control in its RootDSE but it is not enabled or does
           not behave properly.

           Example: OpenLDAP servers with the paging control module installed on the server but
           not enabled will report it in the RootDSE but be unable to use it.

           Example: 389 DS has a bug where it can only support a one paging control at a time on
           a single connection. On busy clients, this can result in some requests being denied.

       ldap_deref_threshold (integer)
           Specify the number of group members that must be missing from the internal cache in
           order to trigger a dereference lookup. If less members are missing, they are looked up
           individually.

           You can turn off dereference lookups completely by setting the value to 0.

           A dereference lookup is a means of fetching all group members in a single LDAP call.
           Different LDAP servers may implement different dereference methods. The currently
           supported servers are 389/RHDS, OpenLDAP and Active Directory.

           Note: If any of the search bases specifies a search filter, then the dereference
           lookup performance enhancement will be disabled regardless of this setting.

           Default: 10

       ldap_tls_reqcert (string)
           Specifies what checks to perform on server certificates in a TLS session, if any. It
           can be specified as one of the following values:

           never = The client will not request or check any server certificate.

           allow = The server certificate is requested. If no certificate is provided, the
           session proceeds normally. If a bad certificate is provided, it will be ignored and
           the session proceeds normally.

           try = The server certificate is requested. If no certificate is provided, the session
           proceeds normally. If a bad certificate is provided, the session is immediately
           terminated.

           demand = The server certificate is requested. If no certificate is provided, or a bad
           certificate is provided, the session is immediately terminated.

           hard = Same as “demand”

           Default: hard

       ldap_tls_cacert (string)
           Specifies the file that contains certificates for all of the Certificate Authorities
           that sssd will recognize.

           Default: use OpenLDAP defaults, typically in /etc/openldap/ldap.conf

       ldap_tls_cacertdir (string)
           Specifies the path of a directory that contains Certificate Authority certificates in
           separate individual files. Typically the file names need to be the hash of the
           certificate followed by '.0'. If available, cacertdir_rehash can be used to create the
           correct names.

           Default: use OpenLDAP defaults, typically in /etc/openldap/ldap.conf

       ldap_tls_cert (string)
           Specifies the file that contains the certificate for the client's key.

           Default: not set

       ldap_tls_key (string)
           Specifies the file that contains the client's key.

           Default: not set

       ldap_tls_cipher_suite (string)
           Specifies acceptable cipher suites. Typically this is a colon sperated list. See
           ldap.conf(5) for format.

           Default: use OpenLDAP defaults, typically in /etc/openldap/ldap.conf

       ldap_id_use_start_tls (boolean)
           Specifies that the id_provider connection must also use tls to protect the channel.

           Default: false

       ldap_sasl_mech (string)
           Specify the SASL mechanism to use. Currently only GSSAPI is tested and supported.

           Default: none

       ldap_sasl_authid (string)
           Specify the SASL authorization id to use. When GSSAPI is used, this represents the
           Kerberos principal used for authentication to the directory.

           Default: host/machine.fqdn@REALM

       ldap_sasl_canonicalize (boolean)
           If set to true, the LDAP library would perform a reverse lookup to canonicalize the
           host name during a SASL bind.

           Default: false;

       ldap_krb5_keytab (string)
           Specify the keytab to use when using SASL/GSSAPI.

           Default: System keytab, normally /etc/krb5.keytab

       ldap_krb5_init_creds (boolean)
           Specifies that the id_provider should init Kerberos credentials (TGT). This action is
           performed only if SASL is used and the mechanism selected is GSSAPI.

           Default: true

       ldap_krb5_ticket_lifetime (integer)
           Specifies the lifetime in seconds of the TGT if GSSAPI is used.

           Default: 86400 (24 hours)

       krb5_server (string)
           Specifies the comma-separated list of IP addresses or hostnames of the Kerberos
           servers to which SSSD should connect in the order of preference. For more information
           on failover and server redundancy, see the “FAILOVER” section. An optional port number
           (preceded by a colon) may be appended to the addresses or hostnames. If empty, service
           discovery is enabled - for more information, refer to the “SERVICE DISCOVERY” section.

           When using service discovery for KDC or kpasswd servers, SSSD first searches for DNS
           entries that specify _udp as the protocol and falls back to _tcp if none are found.

           This option was named “krb5_kdcip” in earlier releases of SSSD. While the legacy name
           is recognized for the time being, users are advised to migrate their config files to
           use “krb5_server” instead.

       krb5_realm (string)
           Specify the Kerberos REALM (for SASL/GSSAPI auth).

           Default: System defaults, see /etc/krb5.conf

       krb5_canonicalize (boolean)
           Specifies if the host principal should be canonicalized when connecting to LDAP
           server. This feature is available with MIT Kerberos >= 1.7

           Default: false

       ldap_pwd_policy (string)
           Select the policy to evaluate the password expiration on the client side. The
           following values are allowed:

           none - No evaluation on the client side. This option cannot disable server-side
           password policies.

           shadow - Use shadow(5) style attributes to evaluate if the password has expired.

           mit_kerberos - Use the attributes used by MIT Kerberos to determine if the password
           has expired. Use chpass_provider=krb5 to update these attributes when the password is
           changed.

           Default: none

       ldap_referrals (boolean)
           Specifies whether automatic referral chasing should be enabled.

           Please note that sssd only supports referral chasing when it is compiled with OpenLDAP
           version 2.4.13 or higher.

           Default: true

       ldap_dns_service_name (string)
           Specifies the service name to use when service discovery is enabled.

           Default: ldap

       ldap_chpass_dns_service_name (string)
           Specifies the service name to use to find an LDAP server which allows password changes
           when service discovery is enabled.

           Default: not set, i.e. service discovery is disabled

       ldap_access_filter (string)
           If using access_provider = ldap, this option is mandatory. It specifies an LDAP search
           filter criteria that must be met for the user to be granted access on this host. If
           access_provider = ldap and this option is not set, it will result in all users being
           denied access. Use access_provider = allow to change this default behavior.

           Example:

               access_provider = ldap
               ldap_access_filter = memberOf=cn=allowedusers,ou=Groups,dc=example,dc=com

           This example means that access to this host is restricted to members of the
           "allowedusers" group in ldap.

           Offline caching for this feature is limited to determining whether the user's last
           online login was granted access permission. If they were granted access during their
           last login, they will continue to be granted access while offline and vice-versa.

           Default: Empty

       ldap_account_expire_policy (string)
           With this option a client side evaluation of access control attributes can be enabled.

           Please note that it is always recommended to use server side access control, i.e. the
           LDAP server should deny the bind request with a suitable error code even if the
           password is correct.

           The following values are allowed:

           shadow: use the value of ldap_user_shadow_expire to determine if the account is
           expired.

           ad: use the value of the 32bit field ldap_user_ad_user_account_control and allow
           access if the second bit is not set. If the attribute is missing access is granted.
           Also the expiration time of the account is checked.

           rhds, ipa, 389ds: use the value of ldap_ns_account_lock to check if access is allowed
           or not.

           nds: the values of ldap_user_nds_login_allowed_time_map, ldap_user_nds_login_disabled
           and ldap_user_nds_login_expiration_time are used to check if access is allowed. If
           both attributes are missing access is granted.
            This is an experimental feature, please use http://fedorahosted.org/sssd to report
           any issues.

           Default: Empty

       ldap_access_order (string)
           Comma separated list of access control options. Allowed values are:

           filter: use ldap_access_filter

           expire: use ldap_account_expire_policy

           authorized_service: use the authorizedService attribute to determine access

           host: use the host attribute to determine access

           Default: filter

           Please note that it is a configuration error if a value is used more than once.

       ldap_deref (string)
           Specifies how alias dereferencing is done when performing a search. The following
           options are allowed:

           never: Aliases are never dereferenced.

           searching: Aliases are dereferenced in subordinates of the base object, but not in
           locating the base object of the search.

           finding: Aliases are only dereferenced when locating the base object of the search.

           always: Aliases are dereferenced both in searching and in locating the base object of
           the search.

           Default: Empty (this is handled as never by the LDAP client libraries)

SUDO OPTIONS

        This is an experimental feature, please use http://fedorahosted.org/sssd to report any
       issues.

       ldap_sudorule_object_class (string)
           The object class of a sudo rule entry in LDAP.

           Default: sudoRole

       ldap_sudorule_name (string)
           The LDAP attribute that corresponds to the sudo rule name.

           Default: cn

       ldap_sudorule_command (string)
           The LDAP attribute that corresponds to the command name.

           Default: sudoCommand

       ldap_sudorule_host (string)
           The LDAP attribute that corresponds to the host name (or host IP address, host IP
           network, or host netgroup)

           Default: sudoHost

       ldap_sudorule_user (string)
           The LDAP attribute that corresponds to the user name (or UID, group name or user's
           netgroup)

           Default: sudoUser

       ldap_sudorule_option (string)
           The LDAP attribute that corresponds to the sudo options.

           Default: sudoOption

       ldap_sudorule_runasuser (string)
           The LDAP attribute that corresponds to the user name that commands may be run as.

           Default: sudoRunAsUser

       ldap_sudorule_runasgroup (string)
           The LDAP attribute that corresponds to the group name or group GID that commands may
           be run as.

           Default: sudoRunAsGroup

       ldap_sudorule_notbefore (string)
           The LDAP attribute that corresponds to the start date/time for when the sudo rule is
           valid.

           Default: sudoNotBefore

       ldap_sudorule_notafter (string)
           The LDAP attribute that corresponds to the expiration date/time, after which the sudo
           rule will no longer be valid.

           Default: sudoNotAfter

       ldap_sudorule_order (string)
           The LDAP attribute that corresponds to the ordering index of the rule.

           Default: sudoOrder

       ldap_sudo_refresh_enabled (boolean)
           Enables periodical download of all sudo rules. The cache is purged before each update.

           Default: false

       ldap_sudo_refresh_timeout (integer)
           How many seconds SSSD has to wait before refreshing its cache of sudo rules.

           Default: 300

       This manual page only describes attribute name mapping. For detailed explanation of sudo
       related attribute semantics, see sudoers.ldap(5)

AUTOFS OPTIONS

       Please note that the default values correspond to the default schema which is RFC2307.

        This is an experimental feature, please use http://fedorahosted.org/sssd to report any
       issues.

       ldap_autofs_map_object_class (string)
           The object class of an automount map entry in LDAP.

           Default: automountMap

       ldap_autofs_map_name (string)
           The name of an automount map entry in LDAP.

           Default: ou

       ldap_autofs_entry_object_class (string)
           The object class of an automount map entry in LDAP.

           Default: automountMap

       ldap_autofs_entry_key (string)
           The key of an automount entry in LDAP. The entry usually corresponds to a mount point.

           Default: cn

       ldap_autofs_entry_value (string)
           The key of an automount entry in LDAP. The entry usually corresponds to a mount point.

           Default: automountInformation

ADVANCED OPTIONS

       These options are supported by LDAP domains, but they should be used with caution. Please
       include them in your configuration only if you know what you are doing.

       ldap_netgroup_search_base (string)
           An optional base DN to restrict netgroup searches to a specific subtree.

           See “ldap_search_base” for information about configuring multiple search bases.

           Default: the value of ldap_search_base

       ldap_user_search_base (string)
           An optional base DN to restrict user searches to a specific subtree.

           See “ldap_search_base” for information about configuring multiple search bases.

           Default: the value of ldap_search_base

       ldap_group_search_base (string)
           An optional base DN to restrict group searches to a specific subtree.

           See “ldap_search_base” for information about configuring multiple search bases.

           Default: the value of ldap_search_base

       ldap_user_search_filter (string)
           This option specifies an additional LDAP search filter criteria that restrict user
           searches.

           This option is deprecated in favor of the syntax used by ldap_user_search_base.

           Default: not set

           Example:

                                           ldap_user_search_filter = (loginShell=/bin/tcsh)

           This filter would restrict user searches to users that have their shell set to
           /bin/tcsh.

       ldap_group_search_filter (string)
           This option specifies an additional LDAP search filter criteria that restrict group
           searches.

           This option is deprecated in favor of the syntax used by ldap_group_search_base.

           Default: not set

       ldap_sudo_search_base (string)
           An optional base DN to restrict sudo rules searches to a specific subtree.

           See “ldap_search_base” for information about configuring multiple search bases.

           Default: the value of ldap_search_base

            This is an experimental feature, please use http://fedorahosted.org/sssd to report
           any issues.

       ldap_autofs_search_base (string)
           An optional base DN to restrict automounter searches to a specific subtree.

           See “ldap_search_base” for information about configuring multiple search bases.

           Default: the value of ldap_search_base

            This is an experimental feature, please use http://fedorahosted.org/sssd to report
           any issues.

FAILOVER

       The failover feature allows back ends to automatically switch to a different server if the
       primary server fails.

   Failover Syntax
       The list of servers is given as a comma-separated list; any number of spaces is allowed
       around the comma. The servers are listed in order of preference. The list can contain any
       number of servers.

   The Failover Mechanism
       The failover mechanism distinguishes between a machine and a service. The back end first
       tries to resolve the hostname of a given machine; if this resolution attempt fails, the
       machine is considered offline. No further attempts are made to connect to this machine for
       any other service. If the resolution attempt succeeds, the back end tries to connect to a
       service on this machine. If the service connection attempt fails, then only this
       particular service is considered offline and the back end automatically switches over to
       the next service. The machine is still considered online and might still be tried for
       another service.

       Further connection attempts are made to machines or services marked as offline after a
       specified period of time; this is currently hard coded to 30 seconds.

       If there are no more machines to try, the back end as a whole switches to offline mode,
       and then attempts to reconnect every 30 seconds.

SERVICE DISCOVERY

       The service discovery feature allows back ends to automatically find the appropriate
       servers to connect to using a special DNS query.

   Configuration
       If no servers are specified, the back end automatically uses service discovery to try to
       find a server. Optionally, the user may choose to use both fixed server addresses and
       service discovery by inserting a special keyword, “_srv_”, in the list of servers. The
       order of preference is maintained. This feature is useful if, for example, the user
       prefers to use service discovery whenever possible, and fall back to a specific server
       when no servers can be discovered using DNS.

   The domain name
       Please refer to the “dns_discovery_domain” parameter in the sssd.conf(5) manual page for
       more details.

   The protocol
       The queries usually specify _tcp as the protocol. Exceptions are documented in respective
       option description.

   See Also
       For more information on the service discovery mechanism, refer to RFC 2782.

EXAMPLE

       The following example assumes that SSSD is correctly configured and LDAP is set to one of
       the domains in the [domains] section.

               [domain/LDAP]
               id_provider = ldap
               auth_provider = ldap
               ldap_uri = ldap://ldap.mydomain.org
               ldap_search_base = dc=mydomain,dc=org
               ldap_tls_reqcert = demand
               cache_credentials = true
               enumerate = true

NOTES

       The descriptions of some of the configuration options in this manual page are based on the
       ldap.conf(5) manual page from the OpenLDAP 2.4 distribution.

SEE ALSO

       sssd.conf(5), sssd-krb5(5), sssd(8)

AUTHORS

       The SSSD upstream - http://fedorahosted.org/sssd