A knowledge base article about How do I apply for a Privileged LDAP Bind for my CalNet-enabled application? provided by the UC Berkeley IT Service Hub - Knowledge Portal
To apply for a privileged LDAP bind, please see the 'Getting Started' section on the CalNet for Developers web site.
Applying for access to the CalNet Directory
Please note, if your application does not need access to any private (non-public) data, then you can just connect to the directory servers anonymously.