An anonymous reader writes "MIT announced that despite a long history of running an open network (so that any student can run a server on any port, without any questions asked), it will now end this policy due to recent denial-of-service attacks and gunman hoax. Thanks, Anonymous, for ruining a good thing."
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.