
Originally Posted by
ethzneuron
these are actual http errors, but can be used as a warning label:
HTTP 400 Bad Request
HTTP 401 Unauthorized
HTTP 403 Forbidden
HTTP 404 Not Found
HTTP 405 Method Not Allowed
HTTP 406 Not Acceptable
HTTP 407 Proxy Authentication Required
HTTP 408 Request Timeout
HTTP 409 Conflict
HTTP 410 Gone
HTTP 411 Length Required
HTTP 412 Precondition Failed
HTTP 413 Request Entity Too Large
HTTP 414 Request-URI Too Long
HTTP 415 Unsupported Media Type
HTTP 416 Requested Range Not Satisfiable
HTTP 417 Expectation Failed