Does anyone know the correct parameters for binding with Active Directory for Observium? Is there a way to make it use SSL?

I've used the configuration below but get a blank page after attempting to login. I have not tried dig through the logs to find out what's the issues are but if someone know of the correct parameters I would love to try it first.

#$config['auth_mechanism'] = "ldap"; # default, other options: ldap, http-auth
#$config['auth_ldap_version'] = 3; # v2 or v3
#$config['auth_ldap_server'] = "beernuts.ad.ucsd.edu";
#$config['auth_ldap_port']   = 636;
#$config['auth_ldap_suffix'] = ",ou=SDSC,dc=UCSD,dc=EDU";


thanks,
-bn
0216331C