django-auth-ldap + ldap.forumsys.com

ldap_logging.py

import logging

logger = logging.getLogger('django_auth_ldap')
logger.addHandler(logging.StreamHandler())
logger.setLevel(logging.DEBUG)

ldap_settings.py

from __future__ import unicode_literals, absolute_import, print_function

# import this file in your settings module

AUTHENTICATION_BACKENDS = (
    'django_auth_ldap.backend.LDAPBackend',
    'django.contrib.auth.backends.ModelBackend',
)

AUTH_LDAP_SERVER_URI = "ldap://ldap.forumsys.com"
AUTH_LDAP_USER_DN_TEMPLATE = "uid=%(user)s,dc=example,dc=com"
AUTH_LDAP_USER_ATTR_MAP = {
    "last_name": "sn",
    "email": "mail",
}
AUTH_LDAP_ALWAYS_UPDATE_USER = True

signals.py

from __future__ import unicode_literals, absolute_import, print_function

from django_auth_ldap.backend import populate_user
from django.dispatch import receiver


@receiver(populate_user)
def populate_user_from_ldap(
        sender, signal, user=None, ldap_user=None, **kwargs):
    try:
        user.first_name = ldap_user.attrs['cn'][0].split()[0]
    except (KeyError, IndexError):
        pass
    user.is_superuser = True
    user.is_active = True
    user.is_staff = True