Opening router ports by UPnP in Ruby

I know it should be possible to communicate with a NAT/Router o开发者_Python百科n a local network and ask for ports to be forwarded via UPnP, but I don't know any of the specifics.

I've found a gem that looks like it might be useful, but beyond that I'm at a loss (The gem's homepage appears to be down).

Does anyone have any pointers?

---

This is a Seattle.rb project. Somehow they have re-organized their homepage. The correct link is now http://SeattleRb.**RubyForge.**Org/UPnP/ instead of just http://SeattleRb.Org/UPnP/

You can find all the UPnP projects on the Seattle.rb homepage or on the Seattle.rb RubyForge page, near the bottom of the page, with links to their RDocs.