I figured out the problem. I was denying all TCP packets to privileged
ports, so I needed to give ssh the -P option to have it run on an unprivileged
port. So woohoo! I'm going to try working from home today.
Today's bonus for insane people with lots of bandwidth (a very profitable demographic): You can now download a 33-megabyte MP3 of my 1998 magnum opus Jake's Birthday Party. Notlame makes it easy! (To encode huge MP3s, not to download or listen to them.)