May 2019
Intermediate to advanced
308 pages
8h 5m
English
Content preview from AWS Certified Advanced Networking - Specialty Exam Guide
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CloudFront connectivity issues
As CloudFront is just a caching engine, any issues will be coming from the backend that serves the application, unless the CloudFront service health is degraded. For any kind of ELB issues, you should always perform the following checks:
- CloudFront responds with a HTTP error: Check the backend of the distribution and ensure that it is performing correctly.
- HTTPS certificate issues: Check that the certificates attached to your distribution are configured correctly. Check whether you have all the certificates in the chain for our server and whether the chain is set up in an optimal manner.
- Internal service error on CloudFront: These are rare, but still check https://status.aws.amazon.com for the status of the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.