LDAP Module Options:
  --ldapServers arg                     Comma separated list of LDAP servers on
                                        format  host:port
  --ldapTransportSecurity arg (=tls)    Transport security used between MongoDB
                                        and remote LDAP server(none|tls)
  --ldapBindMethod arg (=simple)        Authentication scheme to use while
                                        connecting to LDAP. This may either be
                                        'sasl' or 'simple'
  --ldapBindSaslMechanisms arg (=DIGEST-MD5)
                                        Comma separated list of SASL mechanisms
                                        to use while binding to the LDAP server
  --ldapTimeoutMS arg (=10000)          Timeout for LDAP queries (ms)
  --ldapQueryUser arg                   LDAP entity to bind with to perform
                                        queries
  --ldapQueryPassword arg               Password to use while binding to the
                                        LDAP server to perform queries
  --ldapAuthzQueryTemplate arg          Relative LDAP query URL which will be
                                        queried against the host to acquire
                                        LDAP groups. The token {USER} will be
                                        replaced with the mapped username
  --ldapUserToDNMapping arg (=[{match: "(.+)", substitution: "{0}"}])
                                        Tranformation from MongoDB users to
                                        LDAP user DNs