# Configuring LDAP access parameters

## Procedure

1. In this view, set the authentication and data access mode.

   ![File - Step 2 of 5 dialog box.](https://help.qlik.com/talend/en-US/studio-user-guide/Resources/images/Repo-LDAPStep3.png)

   LDAP access parametersLDAP access parameters
   | Field | Description |
   | --- | --- |
   | Authentication method | Simple authentication: requires<br>Authentication Parameters field to be filled<br>in<br><br><br>Anonymous authentication: does not require<br>authentication parameters |
   | Authentication Parameters | Bind DN or User: login as expected by the LDAP<br>authentication method<br><br><br>Bind password: expected password<br><br><br>Save password: remembers the login<br>details. |
   | Get Base DN from Root DSE / Base<br>DN | Path to user's authorized tree leaf<br><br><br>Fetch Base DNs button retrieves the DN<br>automatically from Root. |
   | Alias Dereferencing | Never allows to improve search performance if you are sure<br>that no aliases is to be dereferenced. By default, Always is to be<br>used. Always: Always dereference aliases<br><br><br>Never: never dereferences aliases.<br><br><br>Searching: dereferences aliases only after<br>name resolution.<br><br><br>Finding: dereferences aliases only during<br>name resolution |
   | Referral Handling | Redirection of user request:<br><br><br>Ignore: does not handle request redirections<br><br><br>Follow: does handle request<br>redirections |
   | Limit | Limited number of records to be read |
2. Click Check authentication to verify your access rights.
3. Click Fetch Base DNs to retrieve the DN and click the Next button to continue.
4. If any third-party libraries required for setting up an LDAP connection are found missing, an external module installation wizard appears. Install the required libraries as guided by the wizard.