I've been looking a method to authenticate Cacti on OpenLDAP, so here's how i do it :
- go to configuration,settings, authentication
- authentication method : ldap authentication
- guest user : no user
- user template : no user
- ldap settings, server: address ldap server or fqdn
- port standard : 389
- port ssl : 636
- protocol version : 3
- encryption : none
- referrals : none