> For the complete documentation index, see [llms.txt](https://docs.1kosmos.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.1kosmos.com/authentication/admin-portal/directory-integrations.md).

# Directory Integrations

Connect 1Kosmos to your existing directories to source user identities and attributes for authentication.

***

### Overview

Directory integrations let you connect 1Kosmos to your existing identity directories, so user identities and attributes flow into your authentication processes without duplicating data. Choose the connection method that matches your environment — Active Directory or LDAP, through the broker or directly — then refine the attributes you send downstream.

### Connect a directory

[ Connect to AD via Broker ](/authentication/authentication-broker/connect-directory-via-the-adminx-broker.md)

[ Connect to Microsoft Entra ID ](/authentication/admin-portal/directory-integrations/connect-to-microsoft-entra-id.md)

[ Connect to LDAP via Broker](/authentication/authentication-broker/connect-to-ldap-via-broker.md)

[ Connect to LDAP ](/authentication/authentication-proxy/ldap-setup.md)

### Transform attributes

[ User Attribute Transformation ](/authentication/admin-portal/directory-integrations/user-attribute-transformation.md)


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