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Re: (ITS#5632) "overlay" directive listing in slapd.conf misleading

hyc@symas.com wrote:

> And the frontendDB was created after 
> overlays were first designed; the docs just haven't caught up to this fact yet.

Just to note: the frontend database (use of a backend structure to 
collect frontend operations, adding an extra level of indirection in 
operations handling) was expressly designed to allow overlays to be 
stacked before database selection and selected operations handling.

The main driver was slapo-chain(5) used to intercept referrals returned 
by the frontend when one tries to write to a shadow database, and 
slapo-rwm(5) to intercept requests and rewrite their DN, in order to be 
able to interfere with database selection.


Ing. Pierangelo Masarati
OpenLDAP Core Team

SysNet s.r.l.
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