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refuses to execute it. Unlike the 401 response, authentication does not provide any help, and the request should not be repeated. If this is not a HEAD request, and the server wants to be able to explain why the request cannot be executed, then the reason for the rejection should be described within the entity. Of course the server can also return a 404 response if it does not want the client to get any information.
create and send an HTTP Request] What is an HTTP status code? The HTTP status code is used by the Web server to tell the client what happened. The status code is located in the first line of
-Forbidden: password has been changed. 403.12-mapper denied accesskey. 403.13-client certificate revoked. 403.14-directory listing denied. 403.15-Forbidden: Client Access Licenses have exceeded limits on the Web server. 403.16-client certificate is untrusted or invalid. 403.17-client certificate has expired or is not yet valid. 403.18-cannot execute requested URL in the current application pool. 403.19-cannot execute CGI applications for the client in this
The following table shows the common HTTP 1.1 status codes along with their corresponding state information and meanings. You should be cautious about using state codes that only have HTTP 1.1 support, because many browsers can only support HTTP 1.0. If you use HTTP 1.1-spec
Reprinted from: http://desert3.iteye.com/blog/1136548502 Bad Gateway:tomcat didn't start up.504 Gateway Time-out:nginx reported errors, usually nginx as a reverse proxy server, the connected application server such as Tomcat did not cause the corresponding302 (Temporary move) The server is currently responding to a request from a Web page in a different location, but the requestor should continue to use the original location for subsequent requests, a
A complete list of HTTP status codes is provided below. You can also view the official HTTP status Code description (in English).1xx (temporary response)A status code that represents a temporary response and requires the requestor to continue the operation. 1
Go from rookie tutorial: http://www.runoob.com/http/http-status-codes.html 200-Successful request 301-Resources (Web pages, etc.) are permanently transferred to other URLs 404-The requested resource (Web page, etc.) does not exist 500-Internal Server err
, indicating that this send request requires the client to do HTTP authentication (mentioned later).(10),404 Not Found: the corresponding resource could not be found, indicating that the server could not find the resource requested by the client. (11),InternalServer error: Server internal errors, indicating that the server has encountered an error while processing the request, an exception occurred.(12),50
1XX-Informational Tips These status codes indicate a temporary response. The client should be prepared to receive one or more 1xx responses before receiving a regular response. 0-local response succeeded. 100-continue the initial request has been accepted, the customer should continue to send the remainder of the request. (HTTP 1.1 New) · The 101-switching protocols server converts the client's request
Status code Status information Meaning 100 Continue The initial request has been accepted and the customer should continue to send the remainder of the request. (HTTP 1.1 new) 101 Switching protocols The server translates the client's request to another protocol (HTTP
Status Code status information meaning 100 Continue The initial request has been accepted and the customer should continue to send the remainder of the request. (HTTP 1.1 new) 101 Switching protocols The server translates the client's request to another protocol (HTTP
Successful status code:200– server successfully returned to Web page304– not modifiedFailed status code:404– The requested page does not exist503– Server is temporarily unavailable500– Server Internal ErrorThe following is not very common, remember that the above are OK, there are bugs and then addThe other status code
server to be unable to understand the request. The client needs to modify the requested content and send the request again.401 UnauthorizedThis status code indicates that the request sent requires authentication information through HTTP authentication (Basic authentication, Digest authentication). Returns a response that contains 401, which must be included in the header WWW-Authenticate to indicate which
Googlebot.404 (not found) The requested Web page was not found by the server. For example, if the request is for a webpage that does not exist on the server, the server typically returns this code.If you do not have a robots.txt file on your site and you find this status on the robots.txt page of the Google Webmaster Tools Diagnostics tab, this is the correct state. However, if you have a robots.txt file a
only a general recommendation, according to the norms can be, you do a 233 ok line, the key is to coordinate well, leaving the relevant documents ... Assumptions are used in the site-type program, the site is plainly for users to see, it is true that the Web page does not exist to return 404, but this feature Web server will generally help us do, but simple in error when using a server to give the default page is not enough, the site is for people
200- Server successfully returned to the Web page 301- permanently moved, the requested page has been permanently moved to the new location 404- The requested page does not exist, the page does not exist. The 500- server encountered an error and could not complete the request. The 503- server is temporarily unavailable, and the server is currently unavailable (due to overloading or downtime maintenance). Usually, this is just a temporary state. The fu
Successful status code: 200-the server returns the webpage successfully 304-not modified Status Code of failure: 404-the requested webpage does not exist 503-the server is temporarily unavailable 500-Internal Server Error The following is not very common. Remember the above ones and you will be OK. If there is a bug, try again. Other
http Status Code of the Protocol1XX (Temporary response)A status code that represents a temporary response and requires the requestor to continue the operation. 100 (Continue) The requestor shall continue to make the request. The server returns this code to indicate that the first part of the request was received and is waiting for the remain
HTTP a complete list of status codes 1xx (temporary response)A status code that represents a temporary response and requires the requestor to perform an action before continuing. Code Description 100 (Continue) The requestor shall continue to make the request. The return of this code by the server means that the server has
What is an HTTP status codeThe HTTP status code is used by the Web server to tell the client what has happened.The status code, located in the first line of HTTP Response, returns a "three-digit
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