March 2003
Intermediate to advanced
312 pages
7h 12m
English
Content preview from HTTP Developer’s Handbook
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Response Status Codes
The most important part of an HTTP response is the response status code. This code is analogous to a summary of the response. It lets the Web client know the basic outcome of the server’s attempt to fulfill the request.
Status codes are grouped into the following ranges:
Informational (100-199)
Successful (200-299)
Redirection (300-399)
Client error (400-499)
Server error (500-599)
Informational (100-199)
The status codes in the 100 range are not very common, nor do they provide a crucial function in a typical HTTP transaction. Because these responses are for informational purposes only and thus never contain any content, the response is considered to be terminated by an empty line. Also, because status codes in the 100 range ...
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