I have experienced this twice, I cannot connect to Whizlabs,com, they are using AWS. Not just momentary, it has been going on for 20 minutes now, I need to study.
The request could not be satisfied.
CloudFront attempted to establish a connection with the origin, but either the attempt failed or the origin closed the connection.
Generated by cloudfront (CloudFront)
Request ID: hi2F52esaVoUa1-y4Mek-B3FXRPJEee9xolcmkFKcZWS3QD-ak3v0w==