:o see, i have connected using kppp at kde system, but i still couldn't brows the internet, using mozilla web browser or konqueror, so anybody please help me an reply this question, what settings i should change?
We could use some more information. What distribution are you using? What is the exact error message you get? Could you show us the output of ifconfig?
If you give us this information, we can help you a lot better...