Rich Megginson wrote: > Michael Str?der wrote: >> Rich Megginson wrote: >>> Michael Str?der wrote: >>>> Rich Megginson wrote: >>>>> Michael Str?der wrote: >>>>>> I really wonder whether default matching rules are applied for >>>>>> certain LDAP syntaxes and how to find out which these are. >>>>>> >>>>> If there is no matching rule, it just goes by the most appropriate >>>>> internal matching rule that corresponds to the SYNTAX. >>>> >>>> Any description how the "most appropriate internal matching rule" is >>>> chosen? >>> No, not really, afaik. I suppose it attempts to use "common sense" >>> e.g. if the syntax is for case sensitive string, it uses a matching >>> rule for case sensitive string comparison, and uses indexers for case >>> sensitive strings. >> >> And how to determine whether a syntax is used for case sensitive >> strings? That's exactly the problem of the original poster I guess. > > I think IA5String is case sensitive, and Directory String is case > insensitive. I don't think so (see section 4.2. of RFC 4517). Ciao, Michael.