> For the complete documentation index, see [llms.txt](https://doc.engenius.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.engenius.ai/home-cloud-user-manual/configuring-networks/configuring-access-points/configuring-ssids/ldap-server.md).

# LDAP server

Captive Portal supports the way to authenticate with an externally hosted LDAP server. The option is available at **Configure > SSID > Captive Portal > my LDAP server** 

![](/files/6m4CXAjhN8VJ5vKIT7Cg)

Follow the steps below to configure the LDAP service:

 1\. Click **Add a server** to add a new LDAP server.

 2\. Enter the IP address or domain name of your LDAP server in the **Host** field and the LDAP listening port in the **Port** field.

3\. For LDAP admin, enter the distinguished name of the administrative account to bind your LDAP server, for example,  **cn=admin,dc=example,dc=com**, and the password.

![](/files/Cdk71uCIkcjVNMhZrtlJ)

4\. Click **OK** and then click **Apply** button. 

## Base DN and Login Attribute

**Base DN**: When you configure the LDAP server, you can set a Base DN. For example, If your domain name is example.com, you can use the Base DN **dc=example,dc=com.** 

**Login Attribute:**  

1. UID: (default ) use unique ID as the login attribute for user authentication
2. Email: use email format
3. Other text: Use user-defined string


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