TLS
Getting and renewing certificates automatically.
- Let's Encrypt Certificate: certbot Setup, Renewal, Limits
Get a Let's Encrypt certificate on Debian or Ubuntu with certbot, automate renewal and know the rate limits: 50 certificates per domain per week, 5 duplicates.
- Wildcard Certificate from Let's Encrypt via DNS-01
A wildcard certificate for *.example.com is only issued via the DNS-01 challenge. certbot commands, CNAME delegation with acme-dns, Caddy and Traefik setups.