kCFErrorHTTPAuthenticationTypeUnsupported
kCFErrorHTTPBadCredentials
kCFErrorHTTPBadProxyCredentials
kCFErrorHTTPBadURL
kCFErrorHTTPConnectionLost
kCFErrorHTTPParseFailure
kCFErrorHTTPProxyConnectionFailure
kCFErrorHTTPRedirectionLoopDetected
kCFErrorHTTPSProxyConnectionFailure
kCFErrorPACFileAuth
kCFErrorPACFileError
kCFFTPErrorUnexpectedStatusCode
kCFHostErrorHostNotFound
kCFHostErrorUnknown
kCFHTTPCookieCannotParseCookieFile
kCFNetServiceErrorBadArgument
kCFNetServiceErrorCancel
kCFNetServiceErrorCollision
kCFNetServiceErrorDNSServiceFailure
kCFNetServiceErrorInProgress
kCFNetServiceErrorInvalid
kCFNetServiceErrorNotFound
kCFNetServiceErrorTimeout
kCFNetServiceErrorUnknown
kCFSOCKS4ErrorIdConflict
kCFSOCKS4ErrorIdentdFailed
kCFSOCKS4ErrorRequestFailed
kCFSOCKS4ErrorUnknownStatusCode
kCFSOCKS5ErrorBadCredentials
kCFSOCKS5ErrorBadResponseAddr
kCFSOCKS5ErrorBadState
kCFSOCKS5ErrorNoAcceptableMethod
kCFSOCKS5ErrorUnsupportedNegotiationMethod
kCFSOCKSErrorUnknownClientVersion
kCFSOCKSErrorUnsupportedServerVersion
kCFStreamErrorHTTPSProxyFailureUnexpectedResponseToCONNECTMethod
kCFURLErrorBadServerResponse
kCFURLErrorBadURL
kCFURLErrorCallIsActive
kCFURLErrorCancelled
kCFURLErrorCannotCloseFile
kCFURLErrorCannotConnectToHost
kCFURLErrorCannotCreateFile
kCFURLErrorCannotDecodeContentData
kCFURLErrorCannotDecodeRawData
kCFURLErrorCannotFindHost
kCFURLErrorCannotLoadFromNetwork
kCFURLErrorCannotMoveFile
kCFURLErrorCannotOpenFile
kCFURLErrorCannotParseResponse
kCFURLErrorCannotRemoveFile
kCFURLErrorCannotWriteToFile
kCFURLErrorClientCertificateRejected
kCFURLErrorClientCertificateRequired
kCFURLErrorDataLengthExceedsMaximum
kCFURLErrorDataNotAllowed
kCFURLErrorDNSLookupFailed
kCFURLErrorDownloadDecodingFailedMidStream
kCFURLErrorDownloadDecodingFailedToComplete
kCFURLErrorFileDoesNotExist
kCFURLErrorFileIsDirectory
kCFURLErrorHTTPTooManyRedirects
kCFURLErrorInternationalRoamingOff
kCFURLErrorNetworkConnectionLost
kCFURLErrorNoPermissionsToReadFile
kCFURLErrorNotConnectedToInternet
kCFURLErrorRedirectToNonExistentLocation
kCFURLErrorRequestBodyStreamExhausted
kCFURLErrorResourceUnavailable
kCFURLErrorSecureConnectionFailed
kCFURLErrorServerCertificateHasBadDate
kCFURLErrorServerCertificateHasUnknownRoot
kCFURLErrorServerCertificateNotYetValid
kCFURLErrorServerCertificateUntrusted
kCFURLErrorTimedOut
kCFURLErrorUnknown
kCFURLErrorUnsupportedURL
kCFURLErrorUserAuthenticationRequired
kCFURLErrorUserCancelledAuthentication
kCFURLErrorZeroByteResource