Question
Could invalid SSL/TLS certificates at the origin contribute to CloudFront 502 errors?
Asked by: USER2546
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Answer (85)
Yes, if your origin uses HTTPS, CloudFront expects a valid SSL/TLS certificate. Ensure the certificate is not expired, the domain name matches, and the certificate authority is trusted by CloudFront. An invalid certificate will prevent CloudFront from establishing a secure connection with the origin, leading to 502 errors.