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WebminのSSL証明書をLet’s Encryptにしてみる

More than 3 years have passed since last update.

WebminのSSL証明書をLet’s Encryptにしてみました。
Webminはポート番号を変更しています。また、IPアドレスによるアクセス制限をしています。
更にWebサーバーは運用していないのでLet’s Encryptの証明書の取得はstandaloneを使用します。

Let's Encryptの証明書の取得

certbot-autoの入手

cd /opt
git clone https://github.com/letsencrypt/letsencrypt

証明書の入手

/opt/letsencrypt/letsencrypt-auto certonly --standalone -d webmin.sample.local

Webminの設定

miniserv.confの変更

miniserv.conf
keyfile=/etc/letsencrypt/live/webmin.sample.local/privkey.pem
certfile=/etc/letsencrypt/live/webmin.sample.local/fullchain.pem

Webminの再起動

service webmin restart

証明書の定期更新

Let's Encrypt の証明書の有効期限は90日間のため定期的に更新する必要があります。
毎月12日の朝5時に更新するようにcronを設定します。
更新日時はお好みで。

00 05 12 * */opt/letsencrypt/certbot-auto certonly --standalone --force-renewal -d webmin.sample.local && service webmin restart
chanken
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