API Gateway to 443 ALB response 500


I have a private application load balancer with 443 listener, but when I create api gateway to this ALB, it always response Internal Server Error. I have tried HTTP API with VPC link and REST API with NLB (target group is ALB).

1 Answer

Have you followed these steps? https://repost.aws/knowledge-center/api-gateway-application-load-balancers

Also ensure your ALB SG allows access

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answered 10 months ago

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