Just like with regular certificates, you have a couple of validations options (DomainValidation and Business Validation). Approach 3: Find a way from the command line (within the script) to detect if the synology is currently on battery. In Certbot 0.40.0, issuing a certificate with --manual will result in this being present in the renewal .conf file:. Instead of securing a domain, you can encrypt a public IP address. Temporarily point the DNS A record of your SSL VPN at the box you're going to run letsencrypt on. Run letsencrypt-auto -d vpn.yoursite.com and when prompted choose the standalone server option. Grab your pems from /etc/letsencrypt/live/vpn.yoursite.com 6. System -> Config -> Certificates -> Import -> Local Certificate. Set type to Certificate. LetsEncrypt does not issue certs for IP addresses nor for custom dev-domains like .local. You can of course create and sign a certificate yourself, for every domain name you want, or even for IP addresses. Lets Encrypt for private domain? - Unix & Linux Stack Exchange I assume the hook file is in the same directory as the letsencrypt script. A common configuration requirement is to provide the NGINX ingress controller an existing static public IP address. Use Let’s Encrypt Certificates with FreeRADIUS - Frame by Frame Install Let’s Encrypt with IIS on Windows Server 2019 - Snel.com Currently the .env property DOMAIN_OR_PUBLIC_IP doesn’t support both www.example.com and example.com domains. Just because my DNS server answers for all names that it knows, it doesn’t allow AXFR, i.e. Generate and configure a Let's Encrypt certificate - Bitnami both A and AAAA records) Let’s Encrypt will … Configure the firewall to direct port 443 from the external IP in #1 to your container/server that will be running the Let’s Encrypt service.