Replace dc=example,dc=com with your LDAP configured domain, and hostname for your LDAP server.

The search-filter provided here requires users to be members of the cas_auth group in LDAP.

Configuration to use LDAP in e.g. /etc/cas/config/standalone.yml

cas:
  authn:
    ldap:
    - base-dn: dc=example,dc=com
      bind-credential: password
      bind-dn: uid=admin,ou=people,dc=example,dc=com
      ldap-url: ldap://ldap.example.com:389
      search-filter: (&(objectClass=person)(memberOf=uid=cas_auth,ou=groups,dc=example,dc=com))