Ports are automatically forwarded to establish a connection when a UPnP request is received.
UPnP offers zero-configuration, meaning no human authentication is required to establish a connection. It only becomes dangerous when infected devices are involved. So the original intention of UPnP technology is safe. Such connections make DDoS attacks possible.īut when UPnP allows safedevices to connect, the established network is safe. The UPnP service becomes dangerous if it establishes connections with devices that are infected with malware. This service reduces the complexity of networking devices by automatically forwarding router ports to new devices, removing the hassle of manual forwarding.īut this convenience could come at significant security risks. UPnP can also modify router settings to open ports into a firewall to facilitate the connection of devices outside of a network. Some examples of UPnP devices are printers, gaming consoles, WiFi devices, IP cameras, routers, mobile devices, and Smart TVs. UPnP (Universal Plug and Play) is a service that allows devices on the same local network to discover each other and automatically connect through standard networking protocols (such as TCP/IP HTTP, and DHCP).
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