1-8-3
E5SF1ER
407 Proxy Authentication
Required
• Proxy authentication is required.
• Indicates that the requested proxy will request authentication. Proxy-authenti-
cate header contains the detailed method for authentication.
408 Request Timeout
• While waiting for request, the server timed out.
• Indicates that the client did not send a request within the expected time by
the server.
409 Conflict
• There is a conflict.
• The server timed out while waiting for a request.
• Indicates that the client did not send a request within the expected time by
the server.
410 Gone
• No longer available.
• The requested resource could not be found at the server and forwarding
address is unknown.
• Indicates that requested resource is no longer available.
411 Length Required
• Length required.
• The server refused to accept the request where Content-Length was unde-
fined.
• Indicates Content-length header is not defined.
412 Precondition Failed
• Fails to fulfill precondition.
• The precondition in one or more of the requested header field has been
tested false by the server.
• The precondition given in the request could not be fulfilled and the request
failed. Precondition can be set using If-Match, If-None-Match, If-Unmodified-
Since request header.
413 Request Entity Too
Large
• The requested entity is too large.
• The server refused to process the request since the requested entity is larger
than the server is willing or able to process.
• Indicates that the request is too large for the server to process.
414 Request-URI Too Long
• The Request-URI is too long.
• The server refused to process the request because the request URI (Uniform
Resource Identifier) is too long for the server to interpret.
• Indicates that the URI is too long.
415 Unsupported Media
Type
• The media type is not supported.
• The server refused to process the request because the format of request
entity is not supported by the requested resource for the requested method.
• Indicates the requested format is not supported.
Internal server error occurred.
The server does not support functionalities required to process the request
from this unit.
The proxy server between this unit and the server received an invalid reply from
another proxy or the original server.
• Service is unavailable.
• The service is temporarily overloaded.
• Because of overloading or maintenance, the server is temporarily unavail-
able.
504 Gateway Timeout
• Gateway timed out.
• While waiting for gateway, the request timed out.
• Indicates that the intermediate proxy server has timed out while waiting for a
response from another proxy or original server.
505 Version Not Supported
• The version is not supported.
• The server refuses or does not support the version of protocol given in the
request message.
• Indicates that requested version is not supported by the server.
Status
Code
Description
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