Date: Tue, 04 Apr 2006 11:30:30 -0700
From: "George Holbert" <[EMAIL PROTECTED]>

Does Directory Server support the subjectAltName extension on SSL certs?

Yes, the NSS toolkit which Directory Server uses can handle these certs.

The next question is, do your SSL-enabled LDAP clients support these certs?
I need to support both Solaris and RedHat Linux LDAP name service clients (i.e., passwd, group, automount, etc.). I've found that:
- Solaris clients can handle wildcard certs.  RHEL 3 clients can't.
- RHEL 3 clients can handle subjectAltName certs.  Solaris clients can't.

So, while the server can present either of these cert types, your clients' limitations will also influence how you sign your certs.

Someone should file a bug report with Sun then, since LDAP RFC2830 defines support for subjectAltName and not for wildcard certs. The LDAPbis specifications will be pretty much the same here. I.e., Sun's LDAP library is not LDAPv3 compliant. RHEL uses OpenLDAP libraries, which are fully LDAPv3 compliant.

--
 -- Howard Chu
 Chief Architect, Symas Corp.  http://www.symas.com
 Director, Highland Sun        http://highlandsun.com/hyc
 OpenLDAP Core Team            http://www.openldap.org/project/

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