WordPress.org

This plugin supports Active Directory?

No. This plugin only supports LDAP bind.

Can I use SSL on LDAP connection?

Yes. You can enable SSL connection in the option page.

Can I customize LDAP search filter?

Yes. You can customize the search filters (user ID and group) in the option page.

How do I use debug mode?

This plugin has a built-in debug mode. When WP_DEBUG is enabled in wp-config.php, it will turn on the notices that some authenticatin information are added on the log entry. If you don't know how to define the constant, see WordPress document.