To use LDAP settings of already existing https://yunohost.org server,
LDAP Server URL : ldap://0.0.0.0:389
if ERPNext is installed on same server as yunohost use localhost and no need to configure firewall.
if ERPNext is on different server, yunohost port must be accessible. (yunohost/admin > Tools > Firewall and open port 389)
Organizational Unit : ou=users,dc=yunohost,dc=org
Base Distinguished Name (DN) : cn=admin,dc=yunohost,dc=org
Password for Base DN : yunohost admin password
LDAP Search String : (&(objectClass=mailAccount)(uid={}))
LDAP Search String : uid={0}
Updated: 2020-03-20
LDAP First Name Field : givenName
LDAP Email Field : mail
LDAP Username Field : uid