ERROR CODES WITH MEANING

Internet Error Codes and Meaning Sometime you are browsing the internet and trying to open any website, your e-mail and any FTP sites , but you see different error codes there. You should be familiar with these error codes. You can solve these problems if you are well-known with the meaning of error codes.
☼400 This is bad request error, First check you may be typing wrong URL name and server could not understand your request.
☼401 You are trying to open any unauthorized access site or page. Check your username and password if you are trying to open any webpage.
☼402 Payment Required Error.
☼403 You are trying to open any forbidden page and you are blocked by that domain.
☼404 Here you are trying to open the webpage that was removed or re-named, also check the URL spelling.
☼408 This is time out error. you should send the request with in time that the server set for your handset.
☼512 This is bad gateway or external server error. You shud try that site later.