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Intranet Journal Intranet FAQ

IDM Intranet FAQ          [Previous | Index | Next]

Web Servers

Answers to Questions about...
Web Servers

3. Is it just me, or are web error codes like "404" a throwback to assembly language?

It's not just you. Fortunately, the list of HTTP Status Codes is fairly short. Here they are.

Successful Transactions
200 The request was fulfilled.
201 The POST request was completed successfully.
202 Request accepted for processing of unknown type. Rare.
203 Request partially fulfilled.
Redirection Transactions
301 The requested resource has been permanently moved to a new URL. Usually accompanied by Location: newURL which automatically connects to the new URL.
302 Requested resource found, but at a different URL. You'll get a 302 Redirection if you omit the trailing slash when pointing at a directory (sometimes called a malformed request).
304 Unmodified data not returned in response to a GET request with the If-Modified-Since field. Occurs when a browser requests data found in cache.
Error Messages
400 Error in request syntax.
401 Request requires an Authorization: field, and the client did not provide one. This response is accompanied by a list of acceptable authorization schemes use WWW-Authenticate response headers. Error 401 can be part of a client/server dialogue to negotiate encryption and user authentication schemes.
402 The requested operation costs money, and the client did not specify a valid Chargeto field.
403 Request for forbidden resource denied.
404 Requested resource not found.
500 The server has encountered an internal error and cannot continue processing your request.
501 Request okay but denied because server doesn't support transaction method.

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