Nani Anand

Nani Anand

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Certificate migration from Letsencrypt to AWS certificate manager

Jun 25 2022 12:57 PM

I have a domain called for which I have installed lets-encrypt on that (apache for web serving) Ubuntu 16.04 as OS and added A record set in Route53 for some time - a year. Now the same thing AWS has launched is called AWS Certificate Manager.

Problem Statement:

I have created a wildcard certificate as * in AWS Certificate Manager and created a CNAME entry in AWS Route53 and using * as my certificate name in the Elastic Load Balancer with 2 instances.

The problem is the request is routed back to the old instance (A record) with the letsencrypt certificate. We have also checked with many tools like as well dig/nslookup command but found no look.

Please help us out.