How to Lose your Job with SSH, part 2

Like last week's How to Lose your Job with SSH, Part 1, a less dramatic title for this would be Dynamic Port Forwarding with SSH, but that's dreadfully dull.

Many corporations try to tightly secure their network. Connections to the outside world are strictly limited. If you have a single open TCP/IP port to the outside world, however, you can leverage this into blanket Internet access by using your SSH client as a SOCKS proxy. This is called dynamic forwarding.

SOCKS is a generic TCP/IP proxy. ...