Web page code hints --- Error Analysis

                            Web page code hints --- Error Analysis

 

Some of the pages appear more code hints meaning:

100-- continue.

101-- switching protocol.

110-- restart marker reply.

120-- service is ready at  the beginning of the nnn minutes.

125-- data connection has been opened, transfer starting.

150-- File status okay, about to open data connection.

200-- OK. The client request has succeeded.

201-- created.

202-- has been accepted.

203 - Non-authoritative information.

204-- empty.

205-- Reset content.

206-- part.

211 - System status, or system help reply.

300 (choice) for the request, the server may perform various operations. The server may operate a requestor (user agent) selected in accordance with, or provide a list of actions for the requester to select.

301 (Moved Permanently) permanently requested page has been moved to a new location. Server returns this response (with GET     or response HEAD request), it automatically forwards the requestor to the new location.

302 (Temporary Mobile) in response to a request from a web server is currently a different location, but the requestor should continue to be performed later by the original location request.

303 (See other location) requestor should separate GET request to a different location to retrieve the seasonal response, the server returns this code.

304 (Not Modified) since the last request, the requested page has not been modified. When the server returns this response, it does not return to the page content.

305 (use proxy) The requestor can only access the requested page using a proxy. If the server returns this response, the requester should use the agency said.

307 (temporary redirect) server response to a request from a web page different from the current position, but the requestor should continue to use the original location for future requests.

332-- need to login.

350-- requested file action pending further information.

400 - Bad request.

401-- Access denied.

401.2 - Logon failed due to server configuration.

401.3 - due to ACL on resource without authorization.

401.4 - Authorization failed.

401.5 - ISAPI / CGI application authorization failure.

401.7 - Access denied URL authorization policy on the Web server. This error code is  specific to IIS 6.0.

403 - Forbidden access.

404 - Not Found. 

405-- used to access this page  HTTP verb is not allowed (method not allowed.)

406-- client browser does not accept the requested page  MIME type.

415 - Unsupported media type.

416 (Requested range not satisfiable) if the page can not provide the requested range, the server returns this status code.

417-- execution failed.

423-- error lock.

425-- not open data connection.

450-- action not file request. File unavailable (eg, file busy).

451 - the requested action aborted: local error in processing.

452-- requested operation is not performed. Insufficient system memory.

500-- internal server error. 

501-- (Not implemented) server does not have to complete the request. For example, the server can not recognize the request   may return when this code method.

502-- (Bad gateway) server as a gateway or proxy server received an invalid response from the upstream.

503-- (Service Unavailable) server is currently unavailable (because it is overloaded or down for maintenance). Typically, this   is a temporary state.

504-- (Gateway timeout) server as a gateway or a proxy, but did not receive a timely request from the upstream server.

505 - ( HTTP version not supported) server does not support the HTTP protocol version used in the request.

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Result is Status Code HttpWatch

 

200-- server successfully returned the page, the client request has succeeded. 

302-- object temporary movement. Currently web server in response to a request from a different location, but the requestor should continue to use the original location for future requests.

304-- belong to redirect. Since the last request, the requested page has not been modified. When the server returns this response, it does not return to the page content.

401-- unauthorized. The request requires authentication. For pages that require login, the server might return this response.

404 - Not Found. Server could not find the requested page.

2xx - Success. Means that the server successfully accepted the client request.

3xx - Redirection. Indicates to fulfill the request, further action is required. The client browser must take more action to fulfill the request. For example, the browser may have to request a different page on the server or repeat the request through a proxy server.

4xx - Request error. These status codes indicate that the request may be wrong, preventing the processing server.

5xx - server error. Indicating that the server internal error occurred while trying to process the request. These errors may be wrong server itself, not with the request.

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Origin www.cnblogs.com/qingbai/p/11933373.html