Cyber Security| Web |Network| |HTML Status codes
The Status-Code element in a server response, is a 3-digit integer where the first digit of the Status-Code defines the class of response and the last two digits do not have any categorization role.
Types of Status Codes
1xx: Informational
Request > received & process continuing
100 Continue
Only a part of the request has been received by the server, but as long as it has not been rejected, the client should continue with the request.
101 Switching Protocols
Server switches protocol
2xx: Success
200 OK
Request >OK.
201 Created
Request >complete & new resource >created .
202 Accepted
Request >accepted for processing| processing > continue.
203 Non-authoritative Information
The information in the entity header is from a local or third-party copy, not from the original server.
204 No Content
A status code and a header are given in the response, but there is no entity-body in the reply.
205 Reset Content
The browser should clear the form used for this transaction for additional input.
206 Partial Content
The server is returning partial data of the size requested. Used in response to a request specifying a Range header. The server must specify the range included in the response with the Content-Range header.
3xx: Redirection
More action |required >complete request.
300 Multiple Choices
A link list. The user can select a link and go to that location. Maximum five addresses .
301 Moved Permanently
Requested page > moved > new URL .
302 Found
Requested page > moved temporarily > new URL.
303 See Other
Requested > found under >different URL .
304 Not Modified
This is the response code to an If-Modified-Since or If-None-Match header, where the URL has not been modified since the specified date.
305 Use Proxy
Requested URL > must Required through > proxy >mentioned in Location header.
306 Unused
Code > used > previous version| No longer used >but >code reserved.
307 Temporary Redirect
Requested page > moved temporarily > new URL.
4xx: Client Error
Request contains > incorrect syntax |cannot be fulfilled.
400 Bad Request
Server >Not > understand >request.
401 Unauthorized
Requested page > Required >username && password.
402 Payment Required
You can not use this code yet.
403 Forbidden
Access > forbidden > requested page.
404 Not Found
Server Not find >requested page.
405 Method Not Allowed
Method specify in >request >not allowed.
406 Not Acceptable
The server can only generate a response that is not accepted by the client.
407 Proxy Authentication Required
Proxy server >Must Required authenticate >request served.
408 Request Timeout
The request took longer than the server was prepared to wait.
409 Conflict
The request could not be completed because of a conflict.
410 Gone
Requested page >No long available .
411 Length Required
Content-Length” is not defined. The server will not accept the request without it .
412 Precondition Failed
The pre condition given in the request evaluated to false by the server.
413 Request Entity Too Large
The server will not accept the request, because the request entity is too large.
414 Request-url Too Long
The server will not accept the request, because the url is too long. Occurs when you convert a “post” request to a “get” request with a long query information .
415 Unsupported Media Type
The server will not accept the request, because the mediatype is not supported .
416 Requested Range Not Satisfiable
The requested byte range is not available and is out of bounds.
417 Expectation Failed
The expectation given in an Expect request-header field could not be met by this server.
5xx: Server Error
Server failed >fulfill an apparently > valid request.
500 Internal Server Error
Request > not completed & Server met > unexpected condition.
501 Not Implemented
Request > not completed & Server > not support (functionality required)
502 Bad Gateway
Request > not completed & Server received invalid response >from upstream server.
503 Service Unavailable
Request > Uncompleted &Server >temporarily overloading |down.
504 Gateway Timeout
Gateway > timed out.
505 HTTP Version Not Supported
Server > not support >“http protocol” version.
