Requiring distinguished logon names for LDAP name-and-password security
To conform to RFCs 2251 through 2254, you can use the LDAP service option DN Required on Bind? to require that an LDAP client that binds using name-and-password security to any LDAP service running in the domain use their fully qualified LDAP distinguished name as their LDAP client logon name. In a Person document in the Domino® Directory, the distinguished name is the first value in the FullName field, labeled User Name. By default, the LDAP service doesn't require an LDAP client to use the distinguished name as a logon name.
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If you do not require distinguished names as logon names for name-and-password security, the Internet authentication field on the Security tab of a Server document for a server that runs the LDAP service controls which client logon names are allowed for name-and-password security.
To enable or disable the requirement that LDAP users use their distinguished names as log on names when using name-and-password security when binding to the LDAP service: