Il n'y a rien dans auth.log ?
Quand j'essais depuis une autre machine qui ne s'est jamais logguée :
[EMAIL PROTECTED]:~> ssh 192.168.0.136
The authenticity of host '192.168.0.136 (192.168.0.136)' can't be
established.
RSA key fingerprint is a8:4c:ef:aa:e8:96:ac:aa:ef:99:3d:43:a2:f0:5a:2d.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.0.136' (RSA) to the list of known hosts.
Connection closed by 192.168.0.136
#################################
Et coté auth.log, cela engendre ceci :
Jan 20 05:52:20 base_sid sshd[1799]: debug1: Forked child 1918.
Jan 20 05:52:20 base_sid sshd[1918]: Connection from ::ffff:192.168.0.5
port 32795
Jan 20 05:52:20 base_sid sshd[1918]: debug1: Client protocol version
2.0; client software version OpenSSH_3.9p1
Jan 20 05:52:20 base_sid sshd[1918]: debug1: match: OpenSSH_3.9p1 pat
OpenSSH*
Jan 20 05:52:20 base_sid sshd[1918]: debug1: Enabling compatibility mode
for protocol 2.0
Jan 20 05:52:20 base_sid sshd[1918]: debug1: Local version string
SSH-2.0-OpenSSH_3.8.1p1 Debian-8.sarge.4
Jan 20 05:52:20 base_sid sshd[1918]: debug1: PAM: initializing for "root"
Jan 20 05:52:20 base_sid sshd[1918]: debug1: PAM: setting PAM_RHOST to
"192.168.0.5"
Jan 20 05:52:20 base_sid sshd[1918]: debug1: PAM: setting PAM_TTY to "ssh"
Jan 20 05:52:30 base_sid sshd[1799]: debug1: Forked child 1921.
Jan 20 05:52:30 base_sid sshd[1921]: Connection from ::ffff:192.168.0.2
port 49844
Jan 20 05:52:30 base_sid sshd[1921]: debug1: Client protocol version
2.0; client software version OpenSSH_3.8p1
Jan 20 05:52:30 base_sid sshd[1921]: debug1: match: OpenSSH_3.8p1 pat
OpenSSH*
Jan 20 05:52:30 base_sid sshd[1921]: debug1: Enabling compatibility mode
for protocol 2.0
Jan 20 05:52:30 base_sid sshd[1921]: debug1: Local version string
SSH-2.0-OpenSSH_3.8.1p1 Debian-8.sarge.4
Jan 20 05:54:10 base_sid sshd[1921]: debug1: PAM: initializing for "franck"
Jan 20 05:54:11 base_sid sshd[1921]: debug1: PAM: setting PAM_RHOST to
"192.168.0.2"
Jan 20 05:54:11 base_sid sshd[1921]: debug1: PAM: setting PAM_TTY to "ssh"