How can I troubleshoot a 502 error from CloudFront related to origin unavailability?

Responsive Ad Header

Question

Grade: Education Subject: Support
How can I troubleshoot a 502 error from CloudFront related to origin unavailability?
Asked by:
84 Viewed 84 Answers

Answer (84)

Best Answer
(297)
First, directly access your origin server from outside CloudFront (e.g., using `curl` or a web browser). If the origin is unreachable or unresponsive, investigate network connectivity (firewall rules, security groups), server status (is it running?), and any load balancers in front of the origin.