D-Link DFL-600 - Manual (Page 48)

Clicking the LDAP click box will open the following page:
LDAP
Server IP Enter the IP address of your LDAP server here.
Your ISP should provide you with this address.
Server Port This is the TCP port number that the LDAP
server will use to communicate with PCs on your
LAN. Port 389 is the ‘well known’ or default
port used for LDAP, while Secure LDAP uses
port 636.
Base DN This is the Distinguished Name used for LDAP.