IIS, Another Web Server(II)

State interpretation

When a user attempts to access content on a server running Internet Information Service (IIS) via HTTP (Hypertext Transfer Protocol) or FTP (File Transfer Protocol), IIS returns a digital code indicating the status of the request. The status code is recorded in IIS logs and may also be displayed in Web browsers or FTP clients. Let us introduce some simple digital codes below,

Http 200 series as ok

201 means Created

202 means Accepted

203 means Non-authoritative information

204 means No content  chick

Http 300 series as redirection

304 and 307 (Not Modified Client Redirection, Temporary Redirect)

Http 400 series as error on clients

401 means Unauthorized

403 means Forbidden

404 means Not found

Http 500 series as server error

500 means Internal server error

502 means Bad gateway

503 means Service unavailable

504 means Gateway timeout

505 means HTTP version not supported

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