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Restricted/controlled simple bind


Is there a way to have a more fine-grained restriction for simple binds
rather than just On of Off? Maybe some ACL regexp?

For instance I want to restrict simple bind possibilities to direct
children of two or three OU groups, and furthermore I want to restrict
the simple binds for the normal users to those with a {SASL} entry in
their userPassword (or everyone if it cannot be specified separately).

I'm using the option "password-hash {CLEARTEXT}" and don't want users
without a userPassword like "{SASL}<uid>@REALM" to be allowed to do
simple binds to the LDAP database. I have a Kerberos realm setup to
handle passwords and saslauthd for the password check.

Some applications that I have running are not kerberized. So I can't
disable simple binds completely, since these applications still need to
do simple binds for authentication.

You might say that simple binds won't be possible if entries don't have
a userPassword attribute, but I'd like some better reassurance.