0
0
req
uest
request; there is probably a syntax error in the
request message.
4
0
1
Aut
hen
ticat
ion
req
uire
d
The requested resource is protected and
requires the client’s credentials (username and
password). The client should resubmit the
request with the appropriate credentials
(username and password).
4
0
3
For
bid
den
The server refuses to supply the resource,
regardless of the identity of the client.
4
0
4
Not
fou
nd
The requested resource cannot be found on the
server.
4
0
5
Met
hod
not
allo
wed
The request method used (for example, POST,
PUT, DELETE) is a valid method. However, the
server does not allow that method for the
resource requested.
4
0
8
Req
uest
tim
eout
The request sent to the server took longer than
the website’s server was prepared to wait.
4
1
4
Req
uest
URI
too
larg
e
The URI requested by the client is longer than
the server is willing to interpret.
5
0
0
Inte
rnal
serv
er
erro
r
The server is confused; this may be caused by an
error in the server-side program responding to
the request.
5
0
1
Met
hod
not
The request method used is invalid; this could
be caused by a typing error, such as Get in place
of GET.