Newbie - Unable to find a virtual host listening on port 80 with server behind home NAT

Hi @ste4nari, and welcome to the LE community forum :slight_smile:
If you are doing external port 80 to internal port 8080, then:
Try using (with Apache vhost):
image

OR [if you haven't created, nor want to create, a vhost (in Apache) to handle port 8080]
image
AND
image
[that way certbot can server the content needed on port 8080 for you]

See: User Guide — Certbot 2.7.0.dev0 documentation (eff-certbot.readthedocs.io)

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