I have two public-facing (no NAT) servers each with seemingly unique problems renewing or creating new certificates for Let’s Encrypt. Port 80 and 443 are open to the world and using Responsive Firewall. I tried deleting the Let’s Encrypt certificate via Certificate Manager, although it doesn’t …

@lgaetz thanks for the fast response. Just after posting I looked into the Firewall > Services and noticed http and https were set to local zones only. I temporarily added “Internet zone” and was able to get certs to renew. So it seems all that has changed is Let’s Encrypt is using different pu…

Let's Encrypt broken on two FreePBX servers

FreePBX Security

lgaetz (Lorne Gaetz) May 3, 2020, 4:37pm 4

Another vid for Firewall