mastodon.zunda.ninja is one of the many independent Mastodon servers you can use to participate in the fediverse.
Zundon is a single user instance as home of @zundan as well as a test bed for changes of the code.

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$ sudo snap install certbot --classic --channel=latest/beta

うりゃあ

ecdsa (つづりを覚えられない)の証明書つくってもらって私有鍵短かあ!!ってなったw

zunda

某ヘ社のSNIエンドポイントのサポートする暗号スイートが証明書の鍵のアルゴリズムで変化するのをかくにん!! それはそうなんだろうけど。nmapなのでTLSv1.3は見えてません。

RSA鍵
| ssl-enum-ciphers:
| TLSv1.2:
| ciphers:
| TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (rsa 2048) - A
| TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (rsa 2048) - A
| TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (rsa 2048) - A
| TLS_RSA_WITH_AES_128_GCM_SHA256 (rsa 2048) - A
| TLS_RSA_WITH_AES_256_GCM_SHA384 (rsa 2048) - A
| compressors:
| NULL
| cipher preference: server
|_ least strength: A

ECDSA鍵
| ssl-enum-ciphers:
| TLSv1.2:
| ciphers:
| TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (prime256v1) - A
| TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (prime256v1) - A
| TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 (prime256v1) - A
| compressors:
| NULL
| cipher preference: client
|_ least strength: A