CloudFront client side 504 error

Question

I am accessing a web site that has real estate mls data. They use CloudFront as their cdn for images. On my computer I am getting the below error trying to load an image. On my wife's computer, right next to mine, on the same network, the images display normally. Tried multiple browsers with the same result. Anyone know why this might be happening? Thank you!

504 ERROR
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. 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 ID: RmFHMe11uQ9UvwKZUt7s6EJ7nNuFJxR4j00jQMy9qsIwM5E0ACD_Sw==

Answer

It could be related to how CF is configured to cache errors.

https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/GeneratingCustomErrorResponses.html#custom-error-pages-expiration

Answer

Thank you for your answer! I think any configuration there would affect all my computers the same. It must be something specific to my computer. All of my computers are running Win 10. I've tried setting up a new profile in Edge but that made no difference. Also gets the error in Firefox and IE. I'll try creating a new user on my computer later and see if that works. CF does not have the capability to block a specific computer, does it?

Answer

Update: Apparently there are numerous users having the same issue and the vendor is in contact with Amazon about it. Still don't have any idea why some users would be affected and others are not.

CloudFront client side 504 error

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