Why not read the Admin Guide and see for yourself. http://www.openldap.org/doc/admin22/sasl.html
saslauthd is completely unnecessary when using OpenLDAP as the authoritative database for authentication.
I'm not sure if mod_auth_ldap for Apache supports LDAP SASL Binds. The code you need on the web server also depends on what forms of authentication you plan to support for the actual web pages.
Stanford's freeware web authentication system does.
See:
<http://webauthv3.stanford.edu>
--Quanah
-- Quanah Gibson-Mount Principal Software Developer ITSS/TSS/Computing Systems ITSS/TSS/Infrastructure Operations Stanford University GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html