About the prof
LINFO2401 is taught by Lionel Dricot, also known as "Ploum".
If you are a student, Lionel Dricot can be contacted with his UCL address or using "prof" on the linfo2401.net domain. Which is better as it skips Outlook.
If you want to know more, you can follow his blog as it is often related to what is seen in class. But this is not mandatory and for your own interest alone.
He currently work on a command-line browser called "Offpunk".