Sample Duo Authentication Proxy Configuration for LDAP and the Forum Systems test LDAP server (https://www.forumsys.com/tutorials/integration-how-to/ldap/online-ldap-test-server/)

authproxy.cfg

[ad_client]
;https://duo.com/docs/authproxy-reference#ad_client
;https://help.duo.com/s/article/2121?language=en_US
;https://www.forumsys.com/tutorials/integration-how-to/ldap/online-ldap-test-server/
; I am binding on port 389 (no encryption) - #neverinproduction - use 636 (LDAPS) instead
host=ldap.forumsys.com
auth_type=plain
service_account_username=read-only-admin
service_account_password=password
bind_dn=cn=read-only-admin,dc=example,dc=com
search_dn=dc=example,dc=com
username_attribute=uid

[ldap_server_auto]
;https://duo.com/docs/authproxy-reference#ldap-auto
ikey=<<from integration in Duo Admin Console>>
skey=<<from integration in Duo Admin Console>>
api_host=<<from integration in Duo Admin Console>>
failmode=secure
client=ad_client
factors=push