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Network Settings - UPnP

Overview

Overview

	Warning!

UPnP should only be used on a home or trusted network. Avoid using this software on office, school other other untrusted networks. See note below.

There are many opponents against UPnP. However, we feel that Open Source is all about giving people choices, and letting intelligent people make intelligent decisions about its use. A lot of us really need this daemon, and can live with the consequences because we are simply connecting a home network to the internet through one IP

UPnP version 1.0 is inherently flawed. What appears to have happened is that in Microsoft's first UPnP implementation they weren't concerned with security or any advanced controls. Simply all they wanted was connectivity. So we are stuck with this for now. The UPnP server, by itself, does no security checking. If it receives a UPnP request to add a portmapping for some IP address inside the firewall, it just does it. Theoretically this could open up ports on some other system