bind & backends

[reinhard.e.voglmaier@gsk.com]

Playing with the backend I've seen that not
all binds arrive at the backend at all.
Anonymous binds for example do not.
Only binds with user/pass arrive.

My question now is:
I understand that it may not necessary to
forward to the backend an anonymous bind. when further requests arrive
the backend can try to understand if the connection has been authenticated
or not ( anonymous bind )
what I need to understand is how does the
backend understand if the frontend authenticated already the reqeust ?
In the case of the administrator account which is hardwired in the config
file for example the frontend can authenticate the access, so does it ?
As far as I see the backend does not have the possibility to do so, unless
it does not read the slapd.conf file. Something I do not see ????

thx a bunch
reinhard