This page has all the info you need to know:

http://aslan.no-ip.com/~dana/pong/

It's a beta, blah blah. Need a game pad. Blah blah.

Game sucks.

We've moved! http://battlepong.sourceforge.net/

I'm about to attempt adding in keyboard support. It won't be too great for now, but at least it'll be a start.