To enable the LDAP module, you need to comment out the LDAP module in the authorize section of the install_path/etc/raddb/radiusd.conf file. To disable the LDAP module, you need to comment out the LDAP module in the authorize section of radiusd.conf. For information on setting up LDAP with FreeRADIUS, refer to the /doc/ldap_howto.txt file.