Once there was https://blog.stribik.technology/2015/01/04/secure-secure-shell.html, which was fine. Now there is https://infosec.mozilla.org/guidelines/openssh, which doesn't include a date of the last update* (except perhaps the copyright 2017).

Where can I find current recommended SSH settings, with post-quantum and stuff?

* Oh, how I loathe websites that don't add the dates of creation and/or last update!

#ssh #sshd #sshd_config

sshd_configで接続元によって認証方法を変更するための設定 - Qiita
https://qiita.com/ljourm/items/c38d1287be2f5d9eaa35

#SSH #sshd #sshd_config
Matchを複数書く場合
Matchの範囲は「次のMatchまで」または「ファイル末尾まで」です。
なのでMatchをsshd_configの途中に書くことはできません。