Conectando a um diretório LDAP

Você pode conectar sua aplicação do Confluence a um diretório LDAP para gerenciamento de autenticação, usuário e grupo.

Visão geral

An LDAP directory is a collection of data about users and groups. LDAP (Lightweight Directory Access Protocol) is an Internet protocol that web applications can use to look up information about those users and groups from the LDAP server.

We provide built-in connectors for the most popular LDAP directory servers:

  • Microsoft Active Directory
  • Apache Directory Server (ApacheDS)
  • Apple Open Directory
  • Fedora Directory Server
  • Novell eDirectory
  • OpenDS
  • OpenLDAP
  • OpenLDAP Using Posix Schema
  • Posix Schema for LDAP
  • Sun Directory Server Enterprise Edition (DSEE)
  • A generic LDAP directory server

When to use this option: Connecting to an LDAP directory server is useful if your users and groups are stored in a corporate directory. When configuring the directory, you can choose to make it read only, read only with local groups, or read/write. If you choose read/write, any changes made to user and group information in the application will also update the LDAP directory.

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Conectando a um diretório LDAP no Confluence

Para conectar o Confluence a um diretório LDAP:

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  2. Clique em Diretórios de usuário no painel esquerdo.
  3. Adicione um diretório e selecione um desses tipos:
    • Diretório ativo Microsoft – Essa opção fornece uma maneira rápida de selecionar o AD, pois é o tipo de diretório LDAP mais popular.
    • LDAP – Você poderá escolher um tipo de diretório LDAP específico na tela seguinte.
  4. Insira os valores para as configurações, conforme descrito abaixo.
  5. Salve as configurações do diretório.
  6. Defina a ordem dos diretórios clicando nas setas azuis para cima e para baixo ao lado de cada diretório na tela "Diretórios do usuário".
    Here is a summary of how the directory order affects the processing:
    • Changes to users and groups will be made only in the first directory where the application has permission to make changes.
    • The order of the directories is the order in which they will be searched for users and groups (by default Confluence aggregates group membership from all directories, so the order does not impact membership itself).
    Para obter detalhes, consulte Gerenciando múltiplos diretórios.

Configurações de servidor

Setting

Description

Name

Enter a meaningful name to help you identify the LDAP directory server. Examples:

  • Example Company Staff Directory
  • Example Company Corporate LDAP

Directory type

Select the type of LDAP directory that you will connect to. If you are adding a new LDAP connection, the value you select here will determine the default values for many of the options on the rest of screen. Examples:

  • Microsoft Active Directory
  • OpenDS
  • And more

Hostname

The host name of your directory server. Examples:

  • ad.example.com
  • ldap.example.com
  • opends.example.com

Port

The port on which your directory server is listening. Examples:

  • 389
  • 10389
  • 636 (for example, for SSL)

Use SSL

Check this if the connection to the directory server is an SSL (Secure Sockets Layer) connection. Note that you will need to configure an SSL certificate to use this setting.

Username

The distinguished name of the user that the application will use when connecting to the directory server. Examples:

  • cn=administrator,cn=users,dc=ad,dc=example,dc=com
  • cn=user,dc=domain,dc=name
  • user@domain.name

By default, all users can read the uSNChanged attribute; however, only administrators or users with relevant permissions can access the Deleted Objects container. The specific privileges required by the user to connect to LDAP are "Bind" and "Read" (user info, group info, group membership, update sequence number, deleted objects), which the user can obtain by being a member of the Active Directory's built-in administrators group.

Note that the incremental sync will fail silently if the Active Directory is accessed by a user without these privileges. This has been reported as CWD-3093.

Password

The password of the user specified above.

Note: Connecting to an LDAP server requires that this application log in to the server with the username and password configured here. As a result, this password cannot be one-way hashed - it must be recoverable in the context of this application. The password is currently stored in the database in plain text without obfuscation. To guarantee its security, you need to ensure that other processes do not have OS-level read permissions for this application's database or configuration files.

Configurações de esquema

Setting

Description

Base DN

The root distinguished name (DN) to use when running queries against the directory server. Examples:

  • o=example,c=com
  • cn=users,dc=ad,dc=example,dc=com
  • For Microsoft Active Directory, specify the base DN in the following format: dc=domain1,dc=local. You will need to replace the domain1 and local for your specific configuration. Microsoft Server provides a tool called ldp.exe which is useful for finding out and configuring the the LDAP structure of your server.

Additional User DN

This value is used in addition to the base DN when searching and loading users. If no value is supplied, the subtree search will start from the base DN. Example:

  • ou=Users

Additional Group DN

This value is used in addition to the base DN when searching and loading groups. If no value is supplied, the subtree search will start from the base DN. Example:

  • ou=Groups

If no value is supplied for Additional User DN or Additional Group DN this will cause the subtree search to start from the base DN and, in case of a huge directory structure, could cause performance issues for login and operations that rely on login to be performed.

Configurações de permissão

Nota: Você pode designar usuários LDAP a grupos locais apenas quando "Gerenciamento externo gerenciamento de usuário" não estiver selecionado.

Setting

Description

Read Only

LDAP users, groups and memberships are retrieved from your directory server and can only be modified via your directory server. You cannot modify LDAP users, groups or memberships via the application administration screens.

Read Only, with Local Groups

LDAP users, groups and memberships are retrieved from your directory server and can only be modified via your directory server. You cannot modify LDAP users, groups or memberships via the application administration screens. However, you can add groups to the internal directory and add LDAP users to those groups.

(info) Note for Confluence users: Users from LDAP are added to groups maintained in Confluence's internal directory the first time they log in. This is only done once per user. There is a known issue with Read Only, with Local Groups in Confluence that may apply to you. See CONF-28621 - Getting issue details... STATUS

Read/Write

LDAP users, groups and memberships are retrieved from your directory server. When you modify a user, group or membership via the application administration screens, the changes will be applied directly to your LDAP directory server. Ensure that the LDAP user specified for the application has modification permissions on your LDAP directory server.

 

Adicionar usuários a grupos automaticamente

Setting

Description

Default Group Memberships

Option available in Confluence 3.5 and later, and JIRA 4.3.3 and later. This field appears if you select the 'Read Only, with Local Groups' permission. If you would like users to be automatically added to a group or groups, enter the group name(s) here. To specify more than one group, separate the group names with commas.
In Confluence 3.5 to Confluence 3.5.1: Each time a user logs in, their group memberships will be checked. If the user does not belong to the specified group(s), their username will be added to the group(s). If a group does not yet exist, it will be added locally.
In Confluence 3.5.2 and later, and JIRA 4.3.3 and later: The first time a user logs in, their group memberships will be checked. If the user does not belong to the specified group(s), their username will be added to the group(s). If a group does not yet exist, it will be added locally. On subsequent logins, the username will not be added automatically to any groups. This change in behavior allows users to be removed from automatically-added groups. In Confluence 3.5 and 3.5.1, they would be re-added upon next login.

Please note that there is no validation of the group names. If you mis-type the group name, authorization failures will result – users will not be able to access the applications or functionality based on the intended group name.

Examples:

  • confluence-users
  • confluence-users,jira-administrators,jira-core-users

Configurações avançadas

Setting

Description

Enable Nested Groups

Enable or disable support for nested groups.

Some directory servers allow you to define a group as a member of another group. Groups in such a structure are called nested groups. Nested groups simplify permissions by allowing sub-groups to inherit permissions from a parent group.

Manage User Status LocallyIf true, you can activate and deactivate users in Crowd independent of their status in the directory server.
Filter out expired users

If true, user accounts marked as expired in Active Directory will be automatically removed. For cached directories, the removal of a user will occur during the first synchronization after the account's expiration date.

Note: This is available in Embedded Crowd 2.0.0 and above, but not available in the 2.0.0 m04 release.

Use Paged Results

Enable or disable the use of the LDAP control extension for simple paging of search results. If paging is enabled, the search will retrieve sets of data rather than all of the search results at once. Enter the desired page size – that is, the maximum number of search results to be returned per page when paged results are enabled. The default is 1000 results.

Follow Referrals

Choose whether to allow the directory server to redirect requests to other servers. This option uses the node referral (JNDI lookup java.naming.referral) configuration setting. It is generally needed for Active Directory servers configured without proper DNS, to prevent a 'javax.naming.PartialResultException: Unprocessed Continuation Reference(s)' error.

Naive DN Matching

If your directory server will always return a consistent string representation of a DN, you can enable naive DN matching. Using naive DN matching will result in a significant performance improvement, so we recommend enabling it where possible.

This setting determines how your application will compare DNs to determine if they are equal.

  • If this checkbox is selected, the application will do a direct, case-insensitive, string comparison. This is the default and recommended setting for Active Directory, because Active Directory guarantees the format of DNs.
  • If this checkbox is not selected, the application will parse the DN and then check the parsed version.
Enable Incremental Synchronization

Enable incremental synchronization if you only want changes since the last synchronization to be queried when synchronizing a directory.

(warning) Be aware that when using this option, the user account configured for synchronization must have read access to:

  • The uSNChanged attribute of all users and groups in the directory that need to be synchronized.
  • The objects and attributes in the Active Directory deleted objects container.

If at least one of these conditions is not met, you may end up with users who are added to (or deleted from) the Active Directory not being respectively added (or deleted) in the application.

This setting is only available if the directory type is set to "Microsoft Active Directory".

Update group memberships when logging in      

This setting enables updating group memberships during authentication and can be set to the following options:

  • Every time the user logs in: during the authentication, the user’s direct group memberships will be updated to match what’s in the remote directory:

    • Remove the user from all groups that the user no longer belongs to in the remote directory.

    • Add the user to all the groups that the user belongs to in the remote directory. New groups with matching names and descriptions will be created locally if needed. The group will only contain the current user and other memberships will be populated when users who belong to the same group log in or when the synchronization happens.

  • For newly added users only: when a new user logs in for the first time, the user’s direct group memberships will be updated to match what’s in the remote directory.

    Consider that the user's group memberships will be updated only if the user was created during the authentication.

  • Never: during the authentication, the user's group memberships won’t change, even if the local state doesn’t match what’s in the remote.

Synchronization Interval (minutes)

Synchronization is the process by which the application updates its internal store of user data to agree with the data on the directory server. The application will send a request to your directory server every x minutes, where 'x' is the number specified here. The default value is 60 minutes.

Read Timeout (seconds)

The time, in seconds, to wait for a response to be received. If there is no response within the specified time period, the read attempt will be aborted. A value of 0 (zero) means there is no limit. The default value is 120 seconds.

Search Timeout (seconds)

The time, in seconds, to wait for a response from a search operation. A value of 0 (zero) means there is no limit. The default value is 60 seconds.

Connection Timeout (seconds)

This setting affects two actions. The default value is 10.

  • The time to wait when getting a connection from the connection pool. A value of 0 (zero) means there is no limit, so wait indefinitely.
  • The time, in seconds, to wait when opening new server connections. A value of 0 (zero) means that the TCP network timeout will be used, which may be several minutes.

Configurações de esquema de usuário

Setting

Description

User Object Class

This is the name of the class used for the LDAP user object. Example:

  • user

User Object Filter

The filter to use when searching user objects. Example:

  • (&(objectCategory=Person)(sAMAccountName=*))

More examples can be found in our knowledge base. See How to write LDAP search filters.

User Name Attribute

The attribute field to use when loading the username. Examples:

  • cn
  • sAMAccountName

NB: In Active Directory, the 'sAMAccountName' is the 'User Logon Name (pre-Windows 2000)' field. The User Logon Name field is referenced by 'cn'.

User Name RDN Attribute

The RDN (relative distinguished name) to use when loading the username. The DN for each LDAP entry is composed of two parts: the RDN and the location within the LDAP directory where the record resides. The RDN is the portion of your DN that is not related to the directory tree structure. Example:

  • cn

User First Name Attribute

The attribute field to use when loading the user's first name. Example:

  • givenName

User Last Name Attribute

The attribute field to use when loading the user's last name. Example:

  • sn

User Display Name Attribute

The attribute field to use when loading the user's full name. Example:

  • displayName

User Email Attribute

The attribute field to use when loading the user's email address. Example:

  • mail

User Password Attribute

The attribute field to use when loading a user's password. Example:

  • unicodePwd
User Unique ID Attribute

The attribute used as a unique immutable identifier for user objects. This is used to track username changes and is optional. If this attribute is not set (or is set to an invalid value), user renames will not be detected — they will be interpreted as a user deletion then a new user addition.

This should normally point to a UUID value. Standards-compliant LDAP servers will implement this as 'entryUUID' according to RFC 4530. This setting exists because it is known under different names on some servers, e.g. 'objectGUID' in Microsoft Active Directory.

 

 

Configurações de esquema de grupo

Setting

Description

Group Object Class

This is the name of the class used for the LDAP group object. Examples:

  • groupOfUniqueNames
  • group

Group Object Filter

The filter to use when searching group objects. Example:

  • (&(objectClass=group)(cn=*))

Group Name Attribute

The attribute field to use when loading the group's name. Example:

  • cn

Group Description Attribute

The attribute field to use when loading the group's description. Example:

  • description

Configurações de esquema de membros

Setting

Description

Group Members Attribute

The attribute field to use when loading the group's members. Example:

  • member

User Membership Attribute

The attribute field to use when loading the user's groups. Example:

  • memberOf

Use the User Membership Attribute, when finding the user's group membership

Check this if your directory server supports the group membership attribute on the user. (By default, this is the 'memberOf' attribute.)

  • If this checkbox is selected, your application will use the group membership attribute on the user when retrieving the list of groups to which a given user belongs. This will result in a more efficient retrieval.
  • If this checkbox is not selected, your application will use the members attribute on the group ('member' by default) for the search.
  • If the Enable Nested Groups checkbox is selected, your application will ignore the Use the User Membership Attribute option and will use the members attribute on the group for the search.

Use the User Membership Attribute, when finding the members of a group

Check this if your directory server supports the user membership attribute on the group. (By default, this is the 'member' attribute.)

  • If this checkbox is selected, your application will use the group membership attribute on the user when retrieving the members of a given group. This will result in a more efficient search.
  • If this checkbox is not selected, your application will use the members attribute on the group ('member' by default) for the search.

Diagramas de algumas configurações possíveis

Gliffy-Confluence-To-LDAP

Diagram above: Confluence connecting to an LDAP directory.

Gliffy-Confluence-To-LDAP-RO-Local-Groups

Diagram above: Confluence connecting to an LDAP directory with permissions set to read only and local groups.

Last modified on Aug 7, 2017

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