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Re: ldap proxy to AD with local ACLs
thanks for answering ...
2015-08-06 16:24 GMT+02:00 Howard Chu <email@example.com>:
> Meike Stone wrote:
>> it is me again regarding the ldap-backend.
>> As told, I've installed a openldap as proxy in a DMZ for authentication
>> forwarding to an Active Directoy. The Proxy is used by a VPN gateway.
>> That all works very well. But now, I want to protect the AD from
>> Only password changes from the user by self should be allowed.
>> But as I see or understand, ACLs from a backend are used, AFTER the
>> result from remote LDAP (AD) are coming back?! See second sentence
>> from http://www.openldap.org/faq/data/cache/532.html:
>> "It allows the common configuration directives as suffix, which is
>> used to select it when a request is received by the server, *ACLs,
>> which are applied to search results*, size and time limits, and so on.
> Correct. back-ldap only performs ACL checks on search responses.
>> So is it (and how is it) possible, to "switch" the ldap-backend in
>> "read only mode" and only pass the the password change (modify:
> You could use the denyop overlay to deny all write operations.
I found following comment to denyop:
So it is possible to do this, without rebuild openldap? (my binary is
compiled without --enable-denyop=yes)
> I don't know of any way currently to allow only passwordModify exops, it would actually
> allow all extended operations.
Maybe it will not work, because