On Sat, 15 Jul 2023, to...@tuxteam.de wrote:
@Roger: what does "sudo ss -antp" (or "netstat -antp") say? Is sshd listening on 0.0.0.0:22? Then it's firewall, otherwise (not very probable,but hey) it's sshd config.
Here is netstat -antp on one of the Debian 9 machines where I am currently logged in locally as root via ssh.
Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 521/sshd tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 4578/cupsd tcp 0 0 127.0.0.1:22 127.0.0.1:50124 ESTABLISHED 2905/sshd: root@pts tcp 0 0 127.0.0.1:50124 127.0.0.1:22 ESTABLISHED 2903/ssh Roger
