Merge "Rework Identity LDAP structure"
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@ -12,7 +12,7 @@ administrators to use users and groups in LDAP.
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For OpenStack Identity service to access LDAP servers, you must
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define the destination LDAP server in the ``keystone.conf`` file.
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For more information, see :ref:`integrate-identity-with-ldap`.
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For more information, see :ref:`identity_ldap_server_setup`.
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**To integrate one Identity back end with LDAP**
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@ -21,121 +21,10 @@ The *assignment* feature enables administrators to manage project role
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authorization using the OpenStack Identity service SQL database, while
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providing user authentication through the LDAP directory.
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.. important::
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For the OpenStack Identity service to access LDAP servers, you must
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enable the ``authlogin_nsswitch_use_ldap`` boolean value for SELinux
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on the server running the OpenStack Identity service. To enable and
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make the option persistent across reboots, set the following boolean
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value as the root user:
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.. code-block:: console
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# setsebool -P authlogin_nsswitch_use_ldap on
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The Identity configuration is split into two separate back ends; identity
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(back end for users and groups), and assignments (back end for domains,
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projects, roles, role assignments). To configure Identity, set options
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in the ``/etc/keystone/keystone.conf`` file. See
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:ref:`integrate-identity-backend-ldap` for Identity back end configuration
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examples. Modify these examples as needed.
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**To define the destination LDAP server**
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#. Define the destination LDAP server in the ``keystone.conf`` file:
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.. code-block:: ini
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[ldap]
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url = ldap://localhost
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user = dc=Manager,dc=example,dc=org
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password = samplepassword
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suffix = dc=example,dc=org
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**Additional LDAP integration settings**
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Set these options in the ``/etc/keystone/keystone.conf`` file for a
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single LDAP server, or ``/etc/keystone/domains/keystone.DOMAIN_NAME.conf``
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files for multiple back ends. Example configurations appear below each
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setting summary:
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**Query option**
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.. hlist::
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:columns: 1
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* Use ``query_scope`` to control the scope level of data presented
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(search only the first level or search an entire sub-tree)
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through LDAP.
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* Use ``page_size`` to control the maximum results per page. A value
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of zero disables paging.
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* Use ``alias_dereferencing`` to control the LDAP dereferencing
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option for queries.
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* Use ``chase_referrals`` to override the system's default referral
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chasing behavior for queries.
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.. code-block:: ini
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[ldap]
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query_scope = sub
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page_size = 0
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alias_dereferencing = default
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chase_referrals =
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**Debug**
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Use ``debug_level`` to set the LDAP debugging level for LDAP calls.
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A value of zero means that debugging is not enabled.
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.. code-block:: ini
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[ldap]
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debug_level = 0
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.. warning::
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This value is a bitmask, consult your LDAP documentation for
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possible values.
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**Connection pooling**
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Use ``use_pool`` to enable LDAP connection pooling. Configure the
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connection pool size, maximum retry, reconnect trials, timeout (-1
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indicates indefinite wait) and lifetime in seconds.
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.. code-block:: ini
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[ldap]
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use_pool = true
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pool_size = 10
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pool_retry_max = 3
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pool_retry_delay = 0.1
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pool_connection_timeout = -1
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pool_connection_lifetime = 600
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**Connection pooling for end user authentication**
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Use ``use_auth_pool`` to enable LDAP connection pooling for end user
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authentication. Configure the connection pool size and lifetime in
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seconds.
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.. code-block:: ini
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[ldap]
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use_auth_pool = false
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auth_pool_size = 100
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auth_pool_connection_lifetime = 60
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When you have finished the configuration, restart the OpenStack Identity
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service.
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.. warning::
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During the service restart, authentication and authorization are
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unavailable.
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.. toctree::
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:maxdepth: 2
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identity-ldap-server.rst
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identity-integrate-identity-backend-ldap.rst
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identity-secure-identity-to-ldap-backend.rst
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identity-secure-ldap-backend.rst
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@ -0,0 +1,119 @@
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.. _identity_ldap_server_setup:
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===========================
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Identity LDAP server set up
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===========================
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.. important::
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For the OpenStack Identity service to access LDAP servers, you must
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enable the ``authlogin_nsswitch_use_ldap`` boolean value for SELinux
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on the server running the OpenStack Identity service. To enable and
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make the option persistent across reboots, set the following boolean
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value as the root user:
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.. code-block:: console
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# setsebool -P authlogin_nsswitch_use_ldap on
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The Identity configuration is split into two separate back ends; identity
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(back end for users and groups), and assignments (back end for domains,
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projects, roles, role assignments). To configure Identity, set options
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in the ``/etc/keystone/keystone.conf`` file. See
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:ref:`integrate-identity-backend-ldap` for Identity back end configuration
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examples. Modify these examples as needed.
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**To define the destination LDAP server**
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#. Define the destination LDAP server in the ``keystone.conf`` file:
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.. code-block:: ini
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[ldap]
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url = ldap://localhost
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user = dc=Manager,dc=example,dc=org
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password = samplepassword
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suffix = dc=example,dc=org
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**Additional LDAP integration settings**
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Set these options in the ``/etc/keystone/keystone.conf`` file for a
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single LDAP server, or ``/etc/keystone/domains/keystone.DOMAIN_NAME.conf``
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files for multiple back ends. Example configurations appear below each
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setting summary:
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**Query option**
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.. hlist::
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:columns: 1
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* Use ``query_scope`` to control the scope level of data presented
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(search only the first level or search an entire sub-tree)
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through LDAP.
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* Use ``page_size`` to control the maximum results per page. A value
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of zero disables paging.
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* Use ``alias_dereferencing`` to control the LDAP dereferencing
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option for queries.
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* Use ``chase_referrals`` to override the system's default referral
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chasing behavior for queries.
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.. code-block:: ini
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[ldap]
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query_scope = sub
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page_size = 0
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alias_dereferencing = default
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chase_referrals =
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**Debug**
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Use ``debug_level`` to set the LDAP debugging level for LDAP calls.
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A value of zero means that debugging is not enabled.
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.. code-block:: ini
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[ldap]
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debug_level = 0
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.. warning::
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This value is a bitmask, consult your LDAP documentation for
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possible values.
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**Connection pooling**
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Use ``use_pool`` to enable LDAP connection pooling. Configure the
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connection pool size, maximum retry, reconnect trials, timeout (-1
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indicates indefinite wait) and lifetime in seconds.
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.. code-block:: ini
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[ldap]
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use_pool = true
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pool_size = 10
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pool_retry_max = 3
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pool_retry_delay = 0.1
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pool_connection_timeout = -1
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pool_connection_lifetime = 600
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**Connection pooling for end user authentication**
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Use ``use_auth_pool`` to enable LDAP connection pooling for end user
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authentication. Configure the connection pool size and lifetime in
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seconds.
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.. code-block:: ini
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[ldap]
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use_auth_pool = false
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auth_pool_size = 100
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auth_pool_connection_lifetime = 60
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When you have finished the configuration, restart the OpenStack Identity
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service.
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.. warning::
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During the service restart, authentication and authorization are
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unavailable.
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@ -1,5 +1,6 @@
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====================================================================
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Secure the OpenStack Identity service connection to an LDAP back end
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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====================================================================
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The Identity service supports the use of TLS to encrypt LDAP traffic.
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Before configuring this, you must first verify where your certificate
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@ -238,7 +238,7 @@ redirect 301 /admin-guide/keystone_external_authentication.html /admin-guide/ide
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redirect 301 /admin-guide/keystone_fernet_token_faq.html /admin-guide/identity-fernet-token-faq.html
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redirect 301 /admin-guide/keystone_integrate_identity_backend_ldap.html /admin-guide/identity-integrate-identity-backend-ldap.html
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redirect 301 /admin-guide/keystone_integrate_with_ldap.html /admin-guide/identity-integrate-with-ldap.html
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redirect 301 /admin-guide/keystone_secure_identity_to_ldap_backend.html /admin-guide/identity-secure-identity-to-ldap-backend.html
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redirect 301 /admin-guide/keystone_secure_identity_to_ldap_backend.html /admin-guide/identity-secure-ldap-backend.html
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redirect 301 /admin-guide/keystone_token-binding.html /admin-guide/identity-token-binding.html
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redirect 301 /admin-guide/keystone_tokens.html /admin-guide/identity-tokens.html
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redirect 301 /admin-guide/keystone_use_trusts.html /admin-guide/identity-use-trusts.html
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@ -250,7 +250,7 @@ redirect 301 /admin-guide/keystone-external-authentication.html /admin-guide/ide
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redirect 301 /admin-guide/keystone-fernet-token-faq.html /admin-guide/identity-fernet-token-faq.html
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redirect 301 /admin-guide/keystone-integrate-identity-backend_ldap.html /admin-guide/identity-integrate-identity-backend-ldap.html
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redirect 301 /admin-guide/keystone-integrate-with-ldap.html /admin-guide/identity-integrate-with-ldap.html
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redirect 301 /admin-guide/keystone-secure-identity-to-ldap_backend.html /admin-guide/identity-secure-identity-to-ldap-backend.html
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redirect 301 /admin-guide/keystone-secure-identity-to-ldap_backend.html /admin-guide/identity-secure-ldap-backend.html
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redirect 301 /admin-guide/keystone-token-binding.html /admin-guide/identity-token-binding.html
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redirect 301 /admin-guide/keystone-tokens.html /admin-guide/identity-tokens.html
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redirect 301 /admin-guide/keystone-use-trusts.html /admin-guide/identity-use-trusts.html
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