OpenLDAP/FreeBSD: How to implement attribute HOST without STRUCTURAL account?

O. Hartmann ohartman at
Tue Apr 29 10:30:39 UTC 2008

Hello out there,
my question may sound a bit weird, but the situation is as follows:

I use OpenLDAP 2.4 for authetication purposes within our lab's net and 
every user's account is of the objectclass 'posixAccount'. As we know, 
this class does not contain the attribute 'host', which belongs to 
structural class 'account' and both posixAccount and account  are of 
type structural and therefore can not be mixed.

For some first steps in host-based and LDAP-backed up logins I need to 
allow logins on several machines by looking at the host (I use PAM for 
both authtentication and accounting).

Looking at /usr/local/etc/nss_ldap.conf (or simply ldap.conf) I find a tag

pam_check_host_attr yes

to be set when we want to use host based logins. But this does not work 
due to the above mentioned reasons.

Is there a elegant workaround for this situation?

Thanks in advance,


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