Fedora directory users - May 2006 - consumer replica without update referrals?

I''d like to set up a read-only consumer that never returns referrals to
a writable master server.  Basically, any write requests that aren''t 
replication updates would just be dropped.

It doesn''t look like there is an analogous setting for this in the 
suffix-level "nsslapd-state" variable.  The closest thing is
"referral
on update" (default consumer behavior).
Then there is the "nsslapd-readonly" attribute, but I think this would
also disable updates from the master replica.

One way would be to set a bogus suffix referral, so that client updates 
are referred to a non-existent server.  Does anyone have a more elegant 
solution?

Thank you!
-- George