does anyone know how i can connect to the internet using a modem in knoppix 4.0.2?

Look focus water,you are allowed to use GOOGLE you know ? :)

There are clues HERE (http://www.shockfamily.net/cedric/knoppix/)There are knoppix forums HERE (http://www.linuxforums.org/forum/knoppix-help-forum/index3.html) and you`ll laugh your face off HERE (http://translate.google.com/translate?hl=en&sl=de&u=http://www.supportnet.de/stat/2004/8/id193055.asp&prev=/search%3Fq%3Dknoppix%2Bmodem%26hl%3Den%26lr%3D%26sa%3DG)