申請 Let's Encrypt 免費 SSL 憑證(Ubuntu + Cloudflare)
- Ubuntu 18.04.5 LTS
申請程序
- 下載 Let's Encrypt certbot 工具
sudo apt install certbot python3-certbot-dns-cloudflare
- 建立 /root/lets-encrypt/cloudflare.ini
sudo mkdir -p /root/lets-encrypt/ sudo vi /root/lets-encrypt/cloudflare.ini
使用 Cloudflare 提供的資訊 Exp.
# Cloudflare API credentials used by Certbot dns_cloudflare_email = [email protected] dns_cloudflare_api_key = 0123456789abcdef0123456789abcdef01234567
sudo chmod 600 /root/lets-encrypt/cloudflare.ini
- 執行 certbot 工具申請憑證 Exp. harbor.ichiayi.com
sudo certbot certonly \ --dns-cloudflare \ --dns-cloudflare-credentials /root/lets-encrypt/cloudflare.ini \ --dns-cloudflare-propagation-seconds 10 \ -d harbor.ichiayi.com
第一次執行會出現輸入 e-mail 與需要同意的一些服務訊息
執行範例畫面sudo certbot certonly --dns-cloudflare --dns-cloudflare-credentials /root/lets-encrypt/cloudflare.ini --dns-cloudflare-propagation-seconds 10 -d harbor.ichiayi.com Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator dns-cloudflare, Installer None Enter email address (used for urgent renewal and security notices) (Enter 'c' to cancel): [email protected] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Please read the Terms of Service at https://letsencrypt.org/documents/LE-SA-v1.2-November-15-2017.pdf. You must agree in order to register with the ACME server at https://acme-v02.api.letsencrypt.org/directory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (A)gree/(C)ancel: A - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Would you be willing to share your email address with the Electronic Frontier Foundation, a founding partner of the Let's Encrypt project and the non-profit organization that develops Certbot? We'd like to send you email about our work encrypting the web, EFF news, campaigns, and ways to support digital freedom. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - (Y)es/(N)o: Y Obtaining a new certificate Performing the following challenges: dns-01 challenge for harbor.ichiayi.com Waiting 10 seconds for DNS changes to propagate Waiting for verification... Cleaning up challenges IMPORTANT NOTES: - Congratulations! Your certificate and chain have been saved at: /etc/letsencrypt/live/harbor.ichiayi.com/fullchain.pem Your key file has been saved at: /etc/letsencrypt/live/harbor.ichiayi.com/privkey.pem Your cert will expire on 2021-01-27. To obtain a new or tweaked version of this certificate in the future, simply run certbot again. To non-interactively renew *all* of your certificates, run "certbot renew" - Your account credentials have been saved in your Certbot configuration directory at /etc/letsencrypt. You should make a secure backup of this folder now. This configuration directory will also contain certificates and private keys obtained by Certbot so making regular backups of this folder is ideal. - If you like Certbot, please consider supporting our work by: Donating to ISRG / Let's Encrypt: https://letsencrypt.org/donate Donating to EFF: https://eff.org/donate-le - We were unable to subscribe you the EFF mailing list because your e-mail address appears to be invalid. You can try again later by visiting https://act.eff.org.