kotovalexarian-likes-gitlab/gitlab-org--gitlab-foss

GitLab Bot 2516f0d87b Add latest changes from gitlab-org/gitlab@master

2021-01-29 18:09:17 +00:00

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General LDAP Setup

GitLab integrates with LDAP to support user authentication.

This integration works with most LDAP-compliant directory servers, including:

Microsoft Active Directory
- Microsoft Active Directory Trusts are not supported.
Apple Open Directory
Open LDAP
389 Server

Users added through LDAP take a licensed seat.

GitLab Enterprise Editions (EE) include enhanced integration, including group membership syncing as well as multiple LDAP servers support.

Overview

LDAP stands for Lightweight Directory Access Protocol, which is a standard application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network.

Security (FREE SELF)

GitLab assumes that LDAP users:

Are not able to change their LDAP mail, email, or userPrincipalName attributes. An LDAP user who is allowed to change their email on the LDAP server can potentially take over any account on your GitLab server.
Have unique email addresses, otherwise it is possible for LDAP users with the same email address to share the same GitLab account.

We recommend against using LDAP integration if your LDAP users are allowed to change their 'mail', 'email' or 'userPrincipalName' attribute on the LDAP server or share email addresses.

User deletion (FREE SELF)

If a user is deleted from the LDAP server, they are also blocked in GitLab. Users are immediately blocked from logging in. However, there is an LDAP check cache time of one hour (see note) which means users that are already logged in or are using Git over SSH are be able to access GitLab for up to one hour. Manually block the user in the GitLab Admin Area to immediately block all access.

GitLab Enterprise Edition Premium supports a configurable sync time. (PREMIUM)

Git password authentication (FREE SELF)

LDAP-enabled users can always authenticate with Git using their GitLab username or email and LDAP password, even if password authentication for Git is disabled in the application settings.

When a user signs in to GitLab with LDAP for the first time, and their LDAP email address is the primary email address of an existing GitLab user, then the LDAP DN is associated with the existing user. If the LDAP email attribute is not found in the GitLab user database, a new user is created.

In other words, if an existing GitLab user wants to enable LDAP sign-in for themselves, they should check that their GitLab email address matches their LDAP email address, and then sign into GitLab via their LDAP credentials.

Google Secure LDAP (FREE SELF)

Introduced in GitLab 11.9.

Google Cloud Identity provides a Secure LDAP service that can be configured with GitLab for authentication and group sync. See Google Secure LDAP for detailed configuration instructions.

Configuration (FREE SELF)

To enable LDAP integration you need to add your LDAP server settings in /etc/gitlab/gitlab.rb or /home/git/gitlab/config/gitlab.yml for Omnibus GitLab and installations from source respectively.

There is a Rake task to check LDAP configuration. After configuring LDAP using the documentation below, see LDAP check Rake task for information on the LDAP check Rake task.

NOTE: The encryption value simple_tls corresponds to 'Simple TLS' in the LDAP library. start_tls corresponds to StartTLS, not to be confused with regular TLS. Normally, if you specify simple_tls it is on port 636, while start_tls (StartTLS) would be on port 389. plain also operates on port 389. Removed values: tls was replaced with start_tls and ssl was replaced with simple_tls.

LDAP users must have a set email address, regardless of whether or not it's used to sign in.

Example Configurations (FREE SELF)

Omnibus Configuration

gitlab_rails['ldap_enabled'] = true
gitlab_rails['prevent_ldap_sign_in'] = false
gitlab_rails['ldap_servers'] = {
'main' => {
  'label' => 'LDAP',
  'host' =>  'ldap.mydomain.com',
  'port' => 389,
  'uid' => 'sAMAccountName',
  'encryption' => 'simple_tls',
  'verify_certificates' => true,
  'bind_dn' => '_the_full_dn_of_the_user_you_will_bind_with',
  'password' => '_the_password_of_the_bind_user',
  'verify_certificates' => true,
  'tls_options' => {
    'ca_file' => '',
    'ssl_version' => '',
    'ciphers' => '',
    'cert' => '',
    'key' => ''
  },
  'timeout' => 10,
  'active_directory' => true,
  'allow_username_or_email_login' => false,
  'block_auto_created_users' => false,
  'base' => 'dc=example,dc=com',
  'user_filter' => '',
  'attributes' => {
    'username' => ['uid', 'userid', 'sAMAccountName'],
    'email' => ['mail', 'email', 'userPrincipalName'],
    'name' => 'cn',
    'first_name' => 'givenName',
    'last_name' => 'sn'
  },
  'lowercase_usernames' => false,

  # EE Only
  'group_base' => '',
  'admin_group' => '',
  'external_groups' => [],
  'sync_ssh_keys' => false
  }
}

Source Configuration

production:
  # snip...
  ldap:
    enabled: false
    prevent_ldap_sign_in: false
    servers:
      main:
        label: 'LDAP'
        ...

Basic Configuration Settings (FREE SELF)

Setting	Description	Required	Examples
`label`	A human-friendly name for your LDAP server. It is displayed on your sign-in page.	yes	`'Paris'` or `'Acme, Ltd.'`
`host`	IP address or domain name of your LDAP server.	yes	`'ldap.mydomain.com'`
`port`	The port to connect with on your LDAP server. Always an integer, not a string.	yes	`389` or `636` (for SSL)
`uid`	LDAP attribute for username. Should be the attribute, not the value that maps to the `uid`.	yes	`'sAMAccountName'` or `'uid'` or `'userPrincipalName'`
`bind_dn`	The full DN of the user you bind with.	no	`'america\momo'` or `'CN=Gitlab,OU=Users,DC=domain,DC=com'`
`password`	The password of the bind user.	no	`'your_great_password'`
`encryption`	Encryption method. The `method` key is deprecated in favor of `encryption`.	yes	`'start_tls'` or `'simple_tls'` or `'plain'`
`verify_certificates`	Enables SSL certificate verification if encryption method is `start_tls` or `simple_tls`. Defaults to true.	no	boolean
`timeout`	Set a timeout, in seconds, for LDAP queries. This helps avoid blocking a request if the LDAP server becomes unresponsive. A value of `0` means there is no timeout. (default: `10`)	no	`10` or `30`
`active_directory`	This setting specifies if LDAP server is Active Directory LDAP server. For non-AD servers it skips the AD specific queries. If your LDAP server is not AD, set this to false.	no	boolean
`allow_username_or_email_login`	If enabled, GitLab ignores everything after the first `@` in the LDAP username submitted by the user on sign-in. If you are using `uid: 'userPrincipalName'` on ActiveDirectory you need to disable this setting, because the userPrincipalName contains an `@`.	no	boolean
`block_auto_created_users`	To maintain tight control over the number of billable users on your GitLab installation, enable this setting to keep new users blocked until they have been cleared by an administrator (default: false).	no	boolean
`base`	Base where we can search for users.	yes	`'ou=people,dc=gitlab,dc=example'` or `'DC=mydomain,DC=com'`
`user_filter`	Filter LDAP users. Format: RFC 4515 Note: GitLab does not support `omniauth-ldap`'s custom filter syntax.	no	`'(employeeType=developer)'` or `'(&(objectclass=user)(
`lowercase_usernames`	If lowercase_usernames is enabled, GitLab converts the name to lower case.	no	boolean

SSL Configuration Settings (FREE SELF)

Setting	Description	Required	Examples
`ca_file`	Specifies the path to a file containing a PEM-format CA certificate, for example, if you need to use an internal CA.	no	`'/etc/ca.pem'`
`ssl_version`	Specifies the SSL version for OpenSSL to use, if the OpenSSL default is not appropriate.	no	`'TLSv1_1'`
`ciphers`	Specific SSL ciphers to use in communication with LDAP servers.	no	`'ALL:!EXPORT:!LOW:!aNULL:!eNULL:!SSLv2'`
`cert`	Client certificate	no	`'-----BEGIN CERTIFICATE----- <REDACTED> -----END CERTIFICATE -----'`
`key`	Client private key	no	`'-----BEGIN PRIVATE KEY----- <REDACTED> -----END PRIVATE KEY -----'`

Attribute Configuration Settings (FREE SELF)

LDAP attributes that GitLab uses to create an account for the LDAP user. The specified attribute can either be the attribute name as a string (for example, 'mail'), or an array of attribute names to try in order (for example, ['mail', 'email']). Note that the user's LDAP sign-in is the attribute specified as uid above.

Setting	Description	Required	Examples
`username`	The username is used in paths for the user's own projects (like `gitlab.example.com/username/project`) and when mentioning them in issues, merge request and comments (like `@username`). If the attribute specified for `username` contains an email address, the GitLab username is part of the email address before the `@`.	no	`['uid', 'userid', 'sAMAccountName']`
`email`	LDAP attribute for user email.	no	`['mail', 'email', 'userPrincipalName']`
`name`	LDAP attribute for user display name. If `name` is blank, the full name is taken from the `first_name` and `last_name`.	no	Attributes `'cn'`, or `'displayName'` commonly carry full names. Alternatively, you can force the use of `first_name` and `last_name` by specifying an absent attribute such as `'somethingNonExistent'`.
`first_name`	LDAP attribute for user first name. Used when the attribute configured for `name` does not exist.	no	`'givenName'`
`last_name`	LDAP attribute for user last name. Used when the attribute configured for `name` does not exist.	no	`'sn'`

LDAP Sync Configuration Settings (PREMIUM SELF)

Setting	Description	Required	Examples
`group_base`	Base used to search for groups.	no	`'ou=groups,dc=gitlab,dc=example'`
`admin_group`	The CN of a group containing GitLab administrators. Note: Not `cn=administrators` or the full DN.	no	`'administrators'`
`external_groups`	An array of CNs of groups containing users that should be considered external. Note: Not `cn=interns` or the full DN.	no	`['interns', 'contractors']`
`sync_ssh_keys`	The LDAP attribute containing a user's public SSH key.	no	`'sshPublicKey'` or false if not set

Set up LDAP user filter (FREE SELF)

If you want to limit all GitLab access to a subset of the LDAP users on your LDAP server, the first step should be to narrow the configured base. However, it is sometimes necessary to filter users further. In this case, you can set up an LDAP user filter. The filter must comply with RFC 4515.

Omnibus configuration

gitlab_rails['ldap_servers'] = {
'main' => {
  # snip...
  'user_filter' => '(employeeType=developer)'
  }
}

Source configuration

production:
  ldap:
    servers:
      main:
        # snip...
        user_filter: '(employeeType=developer)'

If you want to limit access to the nested members of an Active Directory group, you can use the following syntax:

(memberOf:1.2.840.113556.1.4.1941:=CN=My Group,DC=Example,DC=com)

For more information about this "LDAP_MATCHING_RULE_IN_CHAIN" filter, see the following Microsoft Search Filter Syntax document. Support for nested members in the user filter should not be confused with group sync nested groups support. (PREMIUM SELF)

Please note that GitLab does not support the custom filter syntax used by OmniAuth LDAP.

Escaping special characters (FREE SELF)

The user_filter DN can contain special characters. For example:

A comma:
```
OU=GitLab, Inc,DC=gitlab,DC=com
```
Open and close brackets:
```
OU=Gitlab (Inc),DC=gitlab,DC=com
```
These characters must be escaped as documented in RFC 4515.
Escape commas with \2C. For example:
```
OU=GitLab\2C Inc,DC=gitlab,DC=com
```
Escape open and close brackets with \28 and \29, respectively. For example:
```
OU=Gitlab \28Inc\29,DC=gitlab,DC=com
```

Enabling LDAP username lowercase (FREE SELF)

Some LDAP servers, depending on their configurations, can return uppercase usernames. This can lead to several confusing issues such as creating links or namespaces with uppercase names.

GitLab can automatically lowercase usernames provided by the LDAP server by enabling the configuration option lowercase_usernames. By default, this configuration option is false.

Omnibus configuration

Edit /etc/gitlab/gitlab.rb:

gitlab_rails['ldap_servers'] = {
'main' => {
  # snip...
  'lowercase_usernames' => true
  }
}

Reconfigure GitLab for the changes to take effect.

Source configuration

Edit config/gitlab.yaml:

production:
  ldap:
    servers:
      main:
        # snip...
        lowercase_usernames: true

Restart GitLab for the changes to take effect.

It can be useful to prevent using LDAP credentials through the web UI when an alternative such as SAML is preferred. This allows LDAP to be used for group sync, while also allowing your SAML identity provider to handle additional checks like custom 2FA.

When LDAP web sign in is disabled, users don't see an LDAP tab on the sign in page. This does not disable using LDAP credentials for Git access.

Omnibus configuration

Edit /etc/gitlab/gitlab.rb:

gitlab_rails['prevent_ldap_sign_in'] = true

Reconfigure GitLab for the changes to take effect.

Source configuration

Edit config/gitlab.yaml:

production:
  ldap:
    prevent_ldap_sign_in: true

Restart GitLab for the changes to take effect.

Using encrypted credentials (FREE SELF)

Instead of having the LDAP integration credentials stored in plaintext in the configuration files, you can optionally use an encrypted file for the LDAP credentials. To use this feature, you first need to enable GitLab encrypted configuration.

The encrypted configuration for LDAP exists in an encrypted YAML file. By default the file will be created at shared/encrypted_configuration/ldap.yaml.enc. This location is configurable in the GitLab configuration.

The unencrypted contents of the file should be a subset of the secret settings from your servers block in the LDAP configuration.

The supported configuration items for the encrypted file are:

bind_dn
password

The encrypted contents can be configured with the LDAP secret edit Rake command.

Omnibus configuration

If initially your LDAP configuration looked like:

In /etc/gitlab/gitlab.rb:

  gitlab_rails['ldap_servers'] = {
  'main' => {
    # snip...
    'bind_dn' => 'admin',
    'password' => '123'
    }
  }

Edit the encrypted secret:

sudo gitlab-rake gitlab:ldap:secret:edit EDITOR=vim

The unencrypted contents of the LDAP secret should be entered like:
```
main:
  bind_dn: admin
  password: '123'
```
Edit /etc/gitlab/gitlab.rb and remove the settings for user_bn and password.
Reconfigure GitLab for the changes to take effect.

Source configuration

If initially your LDAP configuration looked like:

In config/gitlab.yaml:

production:
  ldap:
    servers:
      main:
        # snip...
        bind_dn: admin
        password: '123'

Edit the encrypted secret:

bundle exec rake gitlab:ldap:secret:edit EDITOR=vim RAILS_ENVIRONMENT=production

The unencrypted contents of the LDAP secret should be entered like:
```
main:
 bind_dn: admin
 password: '123'
```
Edit config/gitlab.yaml and remove the settings for user_bn and password.
Restart GitLab for the changes to take effect.

Encryption (FREE SELF)

TLS Server Authentication

There are two encryption methods, simple_tls and start_tls.

For either encryption method, if setting verify_certificates: false, TLS encryption is established with the LDAP server before any LDAP-protocol data is exchanged but no validation of the LDAP server's SSL certificate is performed.

Limitations

TLS Client Authentication

Not implemented by Net::LDAP.

You should disable anonymous LDAP authentication and enable simple or SASL authentication. The TLS client authentication setting in your LDAP server cannot be mandatory and clients cannot be authenticated with the TLS protocol.

Multiple LDAP servers (PREMIUM SELF)

With GitLab Enterprise Edition Starter, you can configure multiple LDAP servers that your GitLab instance connects to.

To add another LDAP server:

Duplicate the settings under the main configuration.
Edit them to match the additional LDAP server.

Be sure to choose a different provider ID made of letters a-z and numbers 0-9. This ID is stored in the database so that GitLab can remember which LDAP server a user belongs to.

Based on the example illustrated on the image above, our gitlab.rb configuration would look like:

gitlab_rails['ldap_enabled'] = true
gitlab_rails['ldap_servers'] = {
'main' => {
  'label' => 'GitLab AD',
  'host' =>  'ad.example.org',
  'port' => 636,
  ...
  },

'secondary' => {
  'label' => 'GitLab Secondary AD',
  'host' =>  'ad-secondary.example.net',
  'port' => 636,
  ...
  },

'tertiary' => {
  'label' => 'GitLab Tertiary AD',
  'host' =>  'ad-tertiary.example.net',
  'port' => 636,
  ...
  }

}

If you configure multiple LDAP servers, use a unique naming convention for the label section of each entry. That label is used as the display name of the tab shown on the sign-in page.

User sync (PREMIUM SELF)

Once per day, GitLab runs a worker to check and update GitLab users against LDAP.

The process executes the following access checks:

Ensure the user is still present in LDAP.
If the LDAP server is Active Directory, ensure the user is active (not blocked/disabled state). This is checked only if active_directory: true is set in the LDAP configuration.

In Active Directory, a user is marked as disabled/blocked if the user account control attribute (userAccountControl:1.2.840.113556.1.4.803) has bit 2 set.

For more information, see Bitmask Searches in LDAP.

The user is set to an ldap_blocked state in GitLab if the previous conditions fail. This means the user is not able to sign in or push/pull code.

The process also updates the following user information:

Email address.
If sync_ssh_keys is set, SSH public keys.
If Kerberos is enabled, Kerberos identity.

The LDAP sync process:

Updates existing users.
Creates new users on first sign in.

Adjusting LDAP user sync schedule (PREMIUM SELF)

By default, GitLab runs a worker once per day at 01:30 a.m. server time to check and update GitLab users against LDAP.

You can manually configure LDAP user sync times by setting the following configuration values, in cron format. If needed, you can use a crontab generator. The example below shows how to set LDAP user sync to run once every 12 hours at the top of the hour.

Omnibus installations

Edit /etc/gitlab/gitlab.rb:

gitlab_rails['ldap_sync_worker_cron'] = "0 */12 * * *"

Reconfigure GitLab for the changes to take effect.

Source installations

Edit config/gitlab.yaml:

cron_jobs:
  ldap_sync_worker_cron:
    "0 */12 * * *"

Restart GitLab for the changes to take effect.

Group Sync (PREMIUM SELF)

If your LDAP supports the memberof property, when the user signs in for the first time GitLab triggers a sync for groups the user should be a member of. That way they don't need to wait for the hourly sync to be granted access to their groups and projects.

A group sync process runs every hour on the hour, and group_base must be set in LDAP configuration for LDAP synchronizations based on group CN to work. This allows GitLab group membership to be automatically updated based on LDAP group members.

The group_base configuration should be a base LDAP 'container', such as an 'organization' or 'organizational unit', that contains LDAP groups that should be available to GitLab. For example, group_base could be ou=groups,dc=example,dc=com. In the configuration file it looks like the following.

Omnibus configuration

Edit /etc/gitlab/gitlab.rb:

gitlab_rails['ldap_servers'] = {
'main' => {
  # snip...
  'group_base' => 'ou=groups,dc=example,dc=com',
  }
}

Apply your changes to GitLab.

Source configuration

Edit /home/git/gitlab/config/gitlab.yml:

production:
  ldap:
    servers:
      main:
        # snip...
        group_base: ou=groups,dc=example,dc=com

Restart GitLab for the changes to take effect.

To take advantage of group sync, group owners or maintainers need to create one or more LDAP group links.

Adding group links (PREMIUM SELF)

For information on adding group links via CNs and filters, refer to the GitLab groups documentation.

Administrator sync (PREMIUM SELF)

As an extension of group sync, you can automatically manage your global GitLab administrators. Specify a group CN for admin_group and all members of the LDAP group will be given administrator privileges. The configuration looks like the following.

NOTE: Administrators are not synced unless group_base is also specified alongside admin_group. Also, only specify the CN of the admin group, as opposed to the full DN.

Omnibus configuration

Edit /etc/gitlab/gitlab.rb:

gitlab_rails['ldap_servers'] = {
'main' => {
  # snip...
  'group_base' => 'ou=groups,dc=example,dc=com',
  'admin_group' => 'my_admin_group',
  }
}

Apply your changes to GitLab.

Source configuration

Edit /home/git/gitlab/config/gitlab.yml:

production:
  ldap:
    servers:
      main:
        # snip...
        group_base: ou=groups,dc=example,dc=com
        admin_group: my_admin_group

Restart GitLab for the changes to take effect.

Global group memberships lock (PREMIUM SELF)

Introduced in GitLab 12.0.

"Lock memberships to LDAP synchronization" setting allows instance administrators to lock down user abilities to invite new members to a group.

When enabled, the following applies:

Only administrator can manage memberships of any group including access levels.
Users are not allowed to share project with other groups or invite members to a project created in a group.

To enable it you need to:

Enable LDAP
Navigate to (admin) Admin Area > Settings -> Visibility and access controls.
Make sure the "Lock memberships to LDAP synchronization" checkbox is enabled.

Adjusting LDAP group sync schedule (PREMIUM SELF)

By default, GitLab runs a group sync process every hour, on the hour. The values shown are in cron format. If needed, you can use a Crontab Generator.

WARNING: Do not start the sync process too frequently as this could lead to multiple syncs running concurrently. This is primarily a concern for installations with a large number of LDAP users. Please review the LDAP group sync benchmark metrics to see how your installation compares before proceeding.

You can manually configure LDAP group sync times by setting the following configuration values. The example below shows how to set group sync to run once every 2 hours at the top of the hour.

Omnibus installations

Edit /etc/gitlab/gitlab.rb:

gitlab_rails['ldap_group_sync_worker_cron'] = "0 */2 * * * *"

Reconfigure GitLab for the changes to take effect.

Source installations

Edit config/gitlab.yaml:

cron_jobs:
  ldap_group_sync_worker_cron:
      "*/30 * * * *"

Restart GitLab for the changes to take effect.

External groups (PREMIUM SELF)

Using the external_groups setting will allow you to mark all users belonging to these groups as external users. Group membership is checked periodically through the LdapGroupSync background task.

Omnibus configuration

Edit /etc/gitlab/gitlab.rb:

gitlab_rails['ldap_servers'] = {
'main' => {
  # snip...
  'external_groups' => ['interns', 'contractors'],
  }
}

Apply your changes to GitLab.

Source configuration

Edit config/gitlab.yaml:

production:
  ldap:
    servers:
      main:
        # snip...
        external_groups: ['interns', 'contractors']

Restart GitLab for the changes to take effect.

Group sync technical details

There is a lot going on with group sync 'under the hood'. This section outlines what LDAP queries are executed and what behavior you can expect from group sync.

Group member access are downgraded from a higher level if their LDAP group membership changes. For example, if a user has 'Owner' rights in a group and the next group sync reveals they should only have 'Developer' privileges, their access is adjusted accordingly. The only exception is if the user is the last owner in a group. Groups need at least one owner to fulfill administrative duties.

Supported LDAP group types/attributes

GitLab supports LDAP groups that use member attributes:

member
submember
uniquemember
memberof
memberuid.

This means group sync supports, at least, LDAP groups with the following object classes: groupOfNames, posixGroup, and groupOfUniqueNames.

Other object classes should work fine as long as members are defined as one of the mentioned attributes. This also means GitLab supports Microsoft Active Directory, Apple Open Directory, Open LDAP, and 389 Server. Other LDAP servers should work, too.

Active Directory also supports nested groups. Group sync recursively resolves membership if active_directory: true is set in the configuration file.

Nested group memberships

Nested group memberships are resolved only if the nested group is found in the configured group_base. For example, if GitLab sees a nested group with DN cn=nested_group,ou=special_groups,dc=example,dc=com but the configured group_base is ou=groups,dc=example,dc=com, cn=nested_group is ignored.

Queries

Each LDAP group is queried a maximum of one time with base group_base and filter (cn=<cn_from_group_link>).
If the LDAP group has the memberuid attribute, GitLab executes another LDAP query per member to obtain each user's full DN. These queries are executed with base base, scope 'base object', and a filter depending on whether user_filter is set. Filter may be (uid=<uid_from_group>) or a joining of user_filter.

Benchmarks

Group sync was written to be as performant as possible. Data is cached, database queries are optimized, and LDAP queries are minimized. The last benchmark run revealed the following metrics:

For 20000 LDAP users, 11000 LDAP groups and 1000 GitLab groups with 10 LDAP group links each:

Initial sync (no existing members assigned in GitLab) took 1.8 hours
Subsequent syncs (checking membership, no writes) took 15 minutes

These metrics are meant to provide a baseline and performance may vary based on any number of factors. This was an extreme benchmark and most instances don't have near this many users or groups. Disk speed, database performance, network and LDAP server response time affects these metrics.

Troubleshooting

Please see our administrator guide to troubleshooting LDAP.

30 KiB Raw Blame History

General LDAP Setup

Overview

Security (FREE SELF)

User deletion (FREE SELF)

Git password authentication (FREE SELF)

Enabling LDAP sign-in for existing GitLab users (FREE SELF)

Google Secure LDAP (FREE SELF)

Configuration (FREE SELF)

Example Configurations (FREE SELF)

Basic Configuration Settings (FREE SELF)

SSL Configuration Settings (FREE SELF)

Attribute Configuration Settings (FREE SELF)

LDAP Sync Configuration Settings (PREMIUM SELF)

Set up LDAP user filter (FREE SELF)

Escaping special characters (FREE SELF)

Enabling LDAP username lowercase (FREE SELF)

Disable LDAP web sign in (FREE SELF)

Using encrypted credentials (FREE SELF)

Encryption (FREE SELF)

TLS Server Authentication

Limitations

TLS Client Authentication

Multiple LDAP servers (PREMIUM SELF)

User sync (PREMIUM SELF)

Adjusting LDAP user sync schedule (PREMIUM SELF)

Group Sync (PREMIUM SELF)

Adding group links (PREMIUM SELF)

Administrator sync (PREMIUM SELF)

Global group memberships lock (PREMIUM SELF)

Adjusting LDAP group sync schedule (PREMIUM SELF)

External groups (PREMIUM SELF)

Group sync technical details

Supported LDAP group types/attributes

Nested group memberships

Queries

Benchmarks

Troubleshooting

30 KiB

Raw Blame History