[x500standard] Re: SV: [T17Q11] LDAP schema in X.500
- From: David Wilson <David.Wilson@xxxxxxxxx>
- To: x500standard@xxxxxxxxxxxxx
- Date: Tue, 13 Dec 2011 11:06:36 +0000
On Mon, 2011-12-12 at 17:50 +0100, Erik Andersen wrote:
> Hi Jean-Paul, Thanks a lot for your offer to participate.
>
>
>
> To others, I have received a response from Steve Kill, who likes the
> concept. I would appreciate comments from others.
I guess that Isode generally, and not just Steve Kille, is interested in
this. (Particularly, perhaps, Kurt Zeilenga who is the author of RFC
4512, which defines the LDAP Schema objects).
I have a few initial comments:
- LDAP attributes have a syntax which is an OID identifying the data
type and an optional 'length'. The latter has the somewhat loose
semantics of being a minimum upper bound which a server should support,
although a server can support longer values. So it is somewhat different
from a size constraint on an ASN.1 type.
- LDAP matching rules also have an LDAP syntax, but without the length.
- LDAP schema objects can have multiple names (e.g. 'cn' and
'commonName').
- LDAP schema object can have a description, which is UTF-8.
There are also extensions.
best regards
David
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