https://docs.xeylou.fr/deb13/hardening/index.htmlbased on sshaudit.com, updated for deb13 openssh 10 for the ssh part keep a parallel ssh session open until the end prep safety cat /home/$USER/.ssh/authorized_keys ssh.socket ssh.socket is active, so Port and AddressFamily directives get ignored and systemctl reload ssh fails with “Cannot bind any address”Hugoen-us