How then can the camera open a port? The answer lies with UPnP, a protocol enabled by default on most home routers that allows a device to request an open port. In simple terms, the camera has an ...

(2) (Universal Plug and Play) Protocols for discovering and configuring devices in an IP network. See UPnP. Plug and Play (PnP) eliminated the "plug and pray" frustration of manually configuring a ...