config ddns 'global' option ddns_dateformat '%F %R' option ddns_loglines '250' option upd_privateip '1' option use_curl '1' config service 'myddns' option lookup_host 'yourhost.example.com' option domain 'yourhost.example.com' option username 'your_username' option password 'your_password' option interface 'wan' option ip_source 'network' option ip_network 'wan' option service_name 'dyn.com'