A reverse caching proxy stores the data in a transient cache.
This might
not be what you want when saying "exporting most information"
from GAL.
> People can then use the OpenLDAP server as a Directory
source in Outlook
> without needing to log in to anything.
If that's your main goal you can use a reverse proxy. If you
want to use
the proxycache overlay slapo-pcache is the 2nd question.
See man slapd-ldap.5 for back-ldap and look at configuration
directives
starting with "idassert".
Thanks for the info, I will look into that!
Chris