One small question. Since I may or may not be present at the time the test finishes, would it be okay for me to program my computer to simply kill the bitwrk process when maximum time is due?
Are you sure that port forwarding works? I get "connection refused" on port 2300. You might want to double-check with
http://www.yougetsignal.com/tools/open-ports/And yes, it's absolutely ok to just switch everything off!