In that case, I would likely use Keycloak with LDAP federation provider, which will point to some LDAP server in your environment. KC Federation provider needs to be declared with editMode "WRITABLE", so all users created through Keycloak will be synced to LDAP server as well including their password. Then the legacy product compatible just with LDAP will authenticate users against this LDAP server.

Marek

On 15/10/15 11:41, Valerij Timofeev wrote:

Hi all,

we are interested to know if it is possible to authenticate users of pure LDAP client against Keycloak?

Why? We are planning to migrate legacy user storage to Keycloak and we'd like to avoid dead end if for example some product (e.g. SaaS) does not support user authentication against Keycloak, but does against standard LDAP server.

If it is impossible, has anybody succeeded to implement reverted direction of user federation synchronization (all users data from Keycloak should be copied to a fresh LDAP server installation)?

Answers to these questions may be decisive for the Keycloak usage in our organization.

Thank you in advance

Valerij Timofeev

Software Engineer

Trusted Shops GmbH

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