Hi Jonathan, This is incorrect; the sockets are defined with the "control-socket" configuration element in the kea-dhcp4/kea-dhcp6 config file. See: https://kea.readthedocs.io/en/kea-2.6.0/arm/dhcp4-srv.html#management-api-for-the-dhcpv4-server Kind Regards Peter -- Peter Davies Support Engineer Internet Systems Corporation