dropped request after ldap "constraint violating"

[Alan DeKok]

chui wrote:
>>From radius.log, the symptom of the failure goes as follow
> 
> 1. rlm_ldap receives "constraint violation" reply from ldap.

  Well... that's an issue with LDAP.

> 2. other authentication requests immediately followed the constraint
> violation reply failed with "incorrect login"

  Likely because the LDAP server treats the connection as "bad", and
starts rejecting all searches done via that connection.

> Can anybody shed some light on this failure scenario?

  See https://bugs.freeradius.org/bugzilla/show_bug.cgi?id=18

  Maybe that change will help.

  Alan DeKok.