custom bind attribute

["Stefano Zanmarchi" <zanmarchi@gmail.com>]

Hi all,
I'd like to let users bind against an attribute other than "userPassword".
Is it possible or is userPassword hardcoded?

Moreover I'd like to serve bind requests from one IP against
"userPassword" and bind requests from another IP against another
(custom) attribute. Is this possible by any chance?

Thank you very much for your help,
Stefano