ERROR - table return codes
1xx: Informational
<100Continue
The server has received the request headers, and the client should proceed to send the request body.
<101
Switching Protocols
The server is switching protocols, because the client requested the switch.
<102
Processing
The server is processing the request, but no response is available yet.
<110
The response might become outdated
<111
Update failed
<112
Connection failure
<113
Heuristic obsolescence
<199
Various warnings
2xx: Success
<200OK
<201
Created
The request has been fulfilled and resulted in a new resource being created.
<202
Accepted
The request has been accepted for processing, but the processing has not been completed.
<203
Non-Authoritative Information
The server successfully processed the request, but is returning information that may be from another source.
<204
No Content
<205
Reset Content
The server successfully processed the request, but is not returning any content.
<206
Partial Content
The server is delivering only part of the resource due to a range header sent by the client.
<207
Multi-Status
The message body that follows is an XML message and can contain a number of separate response codes, depending on how many sub-requests were made.
<214
Conversion applied
The members of a DAV binding have already been enumerated in a previous reply to this request, and are not being included again.
<226
IM Used
The server has fulfilled a GET request for the resource, and the response is a representation of the result of one or more instance-manipulations applied to the current instance.
<299
Various persistent warnings
3xx: Redirection
<300Multiple Choices
There are multiple options for the resource that the client may follow.
<301
Moved Permanently
This and all future requests should be directed to the given URI.
<302
Found, Moved Temporarily
The resource was found, but at a different URI.
<303
See Other
The response to the request can be found under another URI using a GET method.
<304
Not Modified
The resource has not been modified since last requested.
<305
Use Proxy
This single request is to be repeated via the proxy given by the Location field.
<306
— reserved
The request should be repeated with another URI, but future requests can still use the original URI.
<307
Temporary Redirect
The request, and all future requests should be repeated using another URI.
4xx: Client Error
<400Bad Request
The request contains bad syntax or cannot be fulfilled.
<401
Unauthorized
Authentication is possible but has failed or not yet been provided.
<402
Payment Required
Reserved for future use.
<403
Forbidden
The request was a legal request, but the server is refusing to respond to it.
<404
Not Found
The requested resource could not be found but may be available again in the future.
<405
Method Not Allowed
A request was made of a resource using a request method not supported by that resource;
<406
Not Acceptable
The requested resource is only capable of generating content not acceptable according to the Accept headers sent in the request.
<407
Proxy Authentication Required
Proxy authentication is required to access the requested resource.
<408
Request Timeout
The server timed out waiting for the request.
<409
Conflict
The request could not be processed because of conflict in the request, such as an edit conflict.
<410
Gone
The resource requested is no longer available and will not be available again.
<411
Length Required
The request did not specify the length of its content, which is required by the requested resource.
<412
Precondition Failed
The server does not meet one of the preconditions that the requester put on the request.
<413
Request Entity Too Large
The request is larger than the server is willing or able to process.
<414
Request-URI Too Large
The URI provided was too long for the server to process.
<415
Unsupported Media Type
The request entity has a media type which the server or resource does not support.
<416
Requested Range Not Satisfiable
The client has asked for a portion of the file, but the server cannot supply that portion.
<417
Expectation Failed
The server cannot meet the requirements of the Expect request-header field.
<422
Unprocessable Entity
You are being rate-limited.
<423
Locked
The request was well-formed but was unable to be followed due to semantic errors.
<424
Failed Dependency
The resource that is being accessed is locked.
<425
Unordered Collection
The request failed due to failure of a previous request.
<426
Upgrade Required
The collection is unordered.
<428
Precondition Required
The client should switch to a different protocol.
<429
Too Many Requests
The server requires the request to be conditional.
<431
Request Header Fields Too Large
The user has sent too many requests in a given amount of time.
<444
Закрывает соединение без передачи заголовка ответа. Нестандартный код;
The server is unwilling to process the request because either an individual header field, or all the header fields collectively, are too large.
<449
Retry With
The request should be retried after doing the appropriate action.
<450
Blocked by Windows Parental Controls
Windows Parental Controls are turned on and are blocking access to the given webpage.
<451
Unavailable For Legal Reasons
Resource access is denied for legal reasons.
5xx: Server Error
<500Internal Server Error
There was an internal server error.
<501
Not Implemented
The server either does not recognize the request method, or it lacks the ability to fulfill the request.
<502
Bad Gateway
The server was acting as a gateway or proxy and received an invalid response from the upstream server.
<503
Service Unavailable
The server is currently unavailable
<504
Gateway Timeout
The server was acting as a gateway or proxy and did not receive a timely request from the upstream server.
<505
HTTP Version Not Supported
The server does not support the HTTP protocol version used in the request.
<506
Variant Also Negotiates
Transparent content negotiation for the request, results in a circular reference.
<507
Insufficient Storage
Insufficient storage to complete the request.
<508
Loop Detected
The server detected an infinite loop while processing the request.
<509
Bandwidth Limit Exceeded
Bandwidth limit has been exceeded.
<510
Not Extended
Further extensions to the request are required for the server to fulfill it.
<511
Network Authentication Required
The client needs to authenticate to gain network access.
<520
Web server is returning an unknown error
<521
Web server is down
<522
Connection timed out
<523
Origin is unreachable
<524
A timeout occurred
<525
SSL handshake failed
<526
Invalid SSL certificate

