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partial replication?

Is it possible to replicate only some objects under a branch of directory tree based on a filter?

For example, let assume I have "ou=people,dc=foobar,dc=com" with some users under it. I would like to replicate only objects under this DN that have attributes "(&(someAttr=TRUE)(anotherAttr=foobar))" to slave LDAP server (for example, I want only some entries to be visible on slave server for security reasons). Basically, this would be like defining a filter for replication.

Of course, when attributes used by filter change (from example someAttr or anotherAttr change value in the above example), replication process would need to add/remove the entry to/from slave server.

Solution with putting users into separate subtrees wouldn't really be the best solution for me, since I'd need to make several subtrees for several slave servers. So, using subtrees, I would end up with multiple entries for same user in various subtrees, instead of having single entry for each user.

Is something like this possible? If not possible in current version of OpenLDAP, it could be a usefull feature for some future version ;-)

Aleksandar Milivojevic <amilivojevic@pbl.ca>    Pollard Banknote Limited
Systems Administrator                           1499 Buffalo Place
Tel: (204) 474-2323 ext 276                     Winnipeg, MB  R3T 1L7