How to open the internet browser with linuw suse 9.2

hello brothers
When i d like to open firefox with manderva linux it says we cannot establish the connexion
i ve a dsl modesm 256kbs/s speed touch
May u help me to install it
i have the CD but i dont know if it is for windows or both windows an' linux

i just did a search in google, and i found lot of topics talk about this problem
just take a look there

linux driver adsl speed touch
search this with google.