Letsencrypt subdomain configuration

May 22, 2016 530 views
Let's Encrypt Apache LAMP Stack Ubuntu 16.04

My main domain is working but www is throwing warnings in the browser, I revoked and re-issued one cert for both main and www, and it is still not working. What is the proper way to configure www and subdomains in letsencrypt on Apache?

1 Answer

Do you have your sub-domain listed in the ServerName? It should read
ServerName sub.domain.com www.sub.domain.com

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