Martijn Lammerts
My own digital place with a little of everything

Manual renew Let’s encrypt certificate Synology NAS

Manual renew of Let’s encrypt certificate on Synology NAS

  1. DNS A record for the domain name you use which points to your WAN IP address.
  2. Temporary open port 80 and forward port 80 to the IP of your Synology NAS.
  3. Make sure the Web Server is running.
  4. SSH Enabled

Login via SSH, switch to super user (SU)
sudo su -

syno-letsencrypt renew-all -vv

If succesfull, the following message will be showed DEBUG: renew success.