diff --git a/Objective-J/CFNetworkErrors.js b/Objective-J/CFNetworkErrors.js
new file mode 100644
index 000000000..9473579b9
--- /dev/null
+++ b/Objective-J/CFNetworkErrors.js
@@ -0,0 +1,25 @@
+GLOBAL(kCFURLErrorUnknown)    = -998;
+GLOBAL(kCFURLErrorCancelled)  = -999;
+GLOBAL(kCFURLErrorBadURL)     = -1000;
+GLOBAL(kCFURLErrorTimedOut)   = -1001;
+GLOBAL(kCFURLErrorUnsupportedURL)  = -1002;
+GLOBAL(kCFURLErrorCannotFindHost)  = -1003;
+GLOBAL(kCFURLErrorCannotConnectToHost)     = -1004;
+GLOBAL(kCFURLErrorNetworkConnectionLost)   = -1005;
+GLOBAL(kCFURLErrorDNSLookupFailed)         = -1006;
+GLOBAL(kCFURLErrorHTTPTooManyRedirects)    = -1007;
+GLOBAL(kCFURLErrorResourceUnavailable)     = -1008;
+GLOBAL(kCFURLErrorNotConnectedToInternet)  = -1009;
+GLOBAL(kCFURLErrorRedirectToNonExistentLocation)  = -1010;
+GLOBAL(kCFURLErrorBadServerResponse)              = -1011;
+GLOBAL(kCFURLErrorUserCancelledAuthentication)    = -1012;
+GLOBAL(kCFURLErrorUserAuthenticationRequired)     = -1013;
+GLOBAL(kCFURLErrorZeroByteResource)         = -1014;
+GLOBAL(kCFURLErrorCannotDecodeRawData)      = -1015;
+GLOBAL(kCFURLErrorCannotDecodeContentData)  = -1016;
+GLOBAL(kCFURLErrorCannotParseResponse)      = -1017;
+GLOBAL(kCFURLErrorRequestBodyStreamExhausted)  = -1021;
+GLOBAL(kCFURLErrorFileDoesNotExist)            = -1100;
+GLOBAL(kCFURLErrorFileIsDirectory)             = -1101;
+GLOBAL(kCFURLErrorNoPermissionsToReadFile)     = -1102;
+GLOBAL(kCFURLErrorDataLengthExceedsMaximum)    = -1103;
\ No newline at end of file