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Lightweight Directory Access Protocol (LDAP)

Below is an example and description of configuring a Login Identity Provider that integrates with a Directory Server to authenticate users.

<provider>
    <identifier>ldap-provider</identifier>
    <class>org.apache.nifi.ldap.LdapProvider</class>
    <property name="Authentication Strategy">START_TLS</property>

    <property name="Manager DN"></property>
    <property name="Manager Password"></property>

    <property name="TLS - Keystore"></property>
    <property name="TLS - Keystore Password"></property>
    <property name="TLS - Keystore Type"></property>
    <property name="TLS - Truststore"></property>
    <property name="TLS - Truststore Password"></property>
    <property name="TLS - Truststore Type"></property>
    <property name="TLS - Client Auth"></property>
    <property name="TLS - Protocol"></property>
    <property name="TLS - Shutdown Gracefully"></property>

    <property name="Referral Strategy">FOLLOW</property>
    <property name="Connect Timeout">10 secs</property>
    <property name="Read Timeout">10 secs</property>

    <property name="Url"></property>
    <property name="User Search Base"></property>
    <property name="User Search Filter"></property>

    <property name="Identity Strategy">USE_DN</property>
    <property name="Authentication Expiration">12 hours</property>
</provider>

With this configuration, username/password authentication can be enabled by referencing this provider in nifi.properties.

nifi.security.user.login.identity.provider=ldap-provider

Property Name

Description

Authentication Expiration

The duration of how long the user authentication is valid for. If the user never logs out, they will be required to log back in following this duration.

Authentication Strategy

How the connection to the LDAP server is authenticated. Possible values are ANONYMOUS, SIMPLE, LDAPS, or START_TLS.

Manager DN

The DN of the manager that is used to bind to the LDAP server to search for users.

Manager Password

The password of the manager that is used to bind to the LDAP server to search for users.

TLS - Keystore

Path to the Keystore that is used when connecting to LDAP using LDAPS or START_TLS.

TLS - Keystore Password

Password for the Keystore that is used when connecting to LDAP using LDAPS or START_TLS.

TLS - Keystore Type

Type of the Keystore that is used when connecting to LDAP using LDAPS or START_TLS (i.e. JKS or PKCS12).

TLS - Truststore

Path to the Truststore that is used when connecting to LDAP using LDAPS or START_TLS.

TLS - Truststore Password

Password for the Truststore that is used when connecting to LDAP using LDAPS or START_TLS.

TLS - Truststore Type

Type of the Truststore that is used when connecting to LDAP using LDAPS or START_TLS (i.e. JKS or PKCS12).

TLS - Client Auth

Client authentication policy when connecting to LDAP using LDAPS or START_TLS. Possible values are REQUIRED, WANT, NONE.

TLS - Protocol

Protocol to use when connecting to LDAP using LDAPS or START_TLS. (i.e. TLS, TLSv1.1, TLSv1.2, etc).

TLS - Shutdown Gracefully

Specifies whether the TLS should be shut down gracefully before the target context is closed. Defaults to false.

Referral Strategy

Strategy for handling referrals. Possible values are FOLLOW, IGNORE, THROW.

Connect Timeout

Duration of connect timeout. (i.e. 10 secs).

Read Timeout

Duration of read timeout. (i.e. 10 secs).

Url

Space-separated list of URLs of the LDAP servers (i.e. ldap://<hostname>:<port>).

User Search Base

Base DN for searching for users (i.e. CN=Users,DC=example,DC=com).

User Search Filter

Filter for searching for users against the 'User Search Base'. (i.e. sAMAccountName={0}). The user specified name is inserted into '{0}'.

Identity Strategy

Strategy to identify users. Possible values are USE_DN and USE_USERNAME. The default functionality if this property is missing is USE_DN in order to retain backward compatibility. USE_DN will use the full DN of the user entry if possible. USE_USERNAME will use the username the user logged in with.