That’s it, I also tried a Windows 10 PC and got the 403 error. The errors started this week for me. I have the Nokia Gateway.

403 ERROR

The request could not be satisfied.

Request blocked. We can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner.
If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.

Generated by cloudfront (CloudFront)Request .

like this. yes i get them quite often too.