Mozilla + Internet : i can't surf the web , only Chatting !
 

hi , at Last i've installed FC2 .. and i've solved 3 problems now .. except this problem..
i'm Connected to a WLAN Built-in ADSL wireless Router .. now i can run Chatting apps like MSN , IRC and its really working good .... but WebBrowsers ( Mozilla , Konqueror, Galeon , etc... ) can't run any website "ANY" .. and it gives me the error message #504
"""" Gateway Timeout
"""" The following error occured: [code= ..... etc
Telnet gives me "Hostname lookup failure" ........ i tried many ways to solve it , but :(