Shields UP!! has now got its Universal Plug n'Play (UPnP) Internet Exposure Test up and running. Unlike Rapid7, it does not need to be downloaded, stored in temp files and run on your PC.
I have uPnP enabled on my router and it passes the test:
THE EQUIPMENT AT THE TARGET IP ADDRESS
DID NOT RESPOND TO OUR UPnP PROBES!
(That's good news!)
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 19 Meg WBC