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-   -   Limiting Directory Manager (nsslapd-rootdn) by source host (e.g. 127.0.0.1)? (http://www.linux-archive.org/fedora-directory/138524-limiting-directory-manager-nsslapd-rootdn-source-host-e-g-127-0-0-1-a.html)

Rich Megginson 08-06-2008 01:29 PM

Limiting Directory Manager (nsslapd-rootdn) by source host (e.g. 127.0.0.1)?
 
Aleksander Adamowski wrote:

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?

No. But please file a bug so we can track this issue.



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



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Aleksander Adamowski 08-06-2008 10:20 PM

Limiting Directory Manager (nsslapd-rootdn) by source host (e.g. 127.0.0.1)?
 
Rich Megginson wrote:

Aleksander Adamowski wrote:
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?


No. But please file a bug so we can track this issue.




OK, filed bug 458187:
https://bugzilla.redhat.com/show_bug.cgi?id=458187

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


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