A company is migrating a legacy storefront web application to the AWS Cloud. The application is complex and will take several months to refactor. A solutions architect recommended an interim solution of using Amazon CloudFront with a custom origin pointing to the SSL endpoint URL for the legacy web application until the replacement is ready and deployed. The interim solution has worked for several weeks. However, all browser connections recently began showing an HTTP 502 Bad Gateway error with the header `X-Cache: Error from cloudfront.` Monitoring services show that the HTTPS port 443 on the legacy web application is open and responding to requests. What is the likely cause of the error, and what is the solution?
Select one answer.
Purchase Full Access to view answer options & explanation
The first 198 questions in this bank are completely free. Unlock Full Access on the exam page to view all answer choices, verified answers, explanations, and community discussions for all 657 questions.
