ZMODO Funlux Manual Manual page 40

DDNS
NOTE: For advanced users only. Router port-forwarding is required. Use this
page to set up a DDNS (Dynamic DNS Server) for remote surveillance, please
refer to the knowledge base for full instructions.
UPNP
UPNP (Universal Plug and Play) is a protocol used to establish network
connectivity and interaction between devices. Enabling this feature will allow
easier network connectivity.
4.12