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Old 08-06-2008, 10:25 AM
Aleksander Adamowski
 
Default Limiting Directory Manager (nsslapd-rootdn) by source host (e.g. 127.0.0.1)?

Hi!

The Direcroty Manager account (the one whose DN is specified in dse.ldif
as nsslapd-rootdn) is a dangerously privileged account.


Access control does not apply to this user and compromising its DN and
password gives full control over the directory server.


Therefore, it would be desirable to limit this user's bind access based
on some additional criteria, in addition to the knowledge of the password.


Limits based on the source host (e.g. localhost) and time of day (e.g.
only work hours) would be very useful.


Is there a way to limit Directory Manager binds based on those criteria
in Fedora Directory Server?



Note that in OpenLDAP this is possible using the following ACL:

access to dn.base="cn=Manager,o=Example"
by peername.regex=127.0.0.1 auth
by users none
by anonymous none

This ACL however requires creating a concrete LDAP entry that
corresponds to rootdn, setting a userPassword in taht entry, and leaving
the rootpw in OpenLDAP configuration undefined.
This way the concrete userPassword is used when binding and is subject
to that ACL which only allows access from connections that origin from
127.0.0.1.


More details in this post on OpenLDAP mailing list:
http://www.openldap.org/lists/openldap-software/200711/msg00342.html

--
Best Regards,
Aleksander Adamowski
GG#: 274614
ICQ UIN: 19780575
http://olo.org.pl


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