Macports is like apt-get for OSX, it contains many useful packages, and is a good way of keeping certain things managed and up-to-date.
However, like many tools, it doesn't 'just-work' on the networks in DCU, so here's a guide that will get it up and running within DCU.
sudo vi /opt/local/etc/macports/macports.conf
# HTTP proxy:
# HTTPS proxy:
# FTP proxy:
# rsync proxy:
sudo port selfupdate
The ports tree has been updated. To upgrade your installed ports, you should run
port upgrade outdated