Dit zegt de server-kant, even een extra sshd gestart op poort 2222. Het lijkt iets met PAM te maken te hebben, hmmm...
---------- root@kvm67:/var/log# /usr/sbin/sshd -d -p 2222 debug1: sshd version OpenSSH_6.7, OpenSSL 1.0.1t 3 May 2016 debug1: private host key: #0 type 1 RSA debug1: private host key: #1 type 2 DSA debug1: private host key: #2 type 3 ECDSA debug1: private host key: #3 type 4 ED25519 debug1: rexec_argv[0]='/usr/sbin/sshd' debug1: rexec_argv[1]='-d' debug1: rexec_argv[2]='-p' debug1: rexec_argv[3]='2222' Set /proc/self/oom_score_adj from 0 to -1000 debug1: Bind to port 2222 on 0.0.0.0. Server listening on 0.0.0.0 port 2222. debug1: Bind to port 2222 on ::. Server listening on :: port 2222. debug1: Server will not fork when running in debugging mode. debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 debug1: inetd sockets after dupping: 3, 3 Connection from 82.95.148.152 port 37242 on 91.198.178.67 port 2222 debug1: Client protocol version 2.0; client software version OpenSSH_7.4p1 Debian-10+deb9u3 debug1: match: OpenSSH_7.4p1 Debian-10+deb9u3 pat OpenSSH* compat 0x04000000 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_6.7p1 Debian-5+deb8u4 debug1: permanently_set_uid: 104/65534 [preauth] debug1: list_hostkey_types: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ssh-ed25519 [preauth] debug1: SSH2_MSG_KEXINIT sent [preauth] debug1: SSH2_MSG_KEXINIT received [preauth] debug1: kex: client->server chacha20-poly1...@openssh.com <implicit> none [preauth] debug1: kex: server->client chacha20-poly1...@openssh.com <implicit> none [preauth] debug1: expecting SSH2_MSG_KEX_ECDH_INIT [preauth] debug1: SSH2_MSG_NEWKEYS sent [preauth] debug1: expecting SSH2_MSG_NEWKEYS [preauth] debug1: SSH2_MSG_NEWKEYS received [preauth] debug1: KEX done [preauth] debug1: userauth-request for user root service ssh-connection method none [preauth] debug1: attempt 0 failures 0 [preauth] -> wachten debug1: PAM: initializing for "root" debug1: PAM: setting PAM_RHOST to "server.vandervlis.nl" debug1: PAM: setting PAM_TTY to "ssh" debug1: userauth-request for user root service ssh-connection method publickey [preauth] debug1: attempt 1 failures 0 [preauth] debug1: test whether pkalg/pkblob are acceptable [preauth] debug1: temporarily_use_uid: 0/0 (e=0/0) debug1: trying public key file /root/.ssh/authorized_keys debug1: fd 4 clearing O_NONBLOCK debug1: matching key found: file /root/.ssh/authorized_keys, line 1 RSA 03:49:fe:52:1c:7f:bc:9d:fe:fa:5f:59:d7:45:98:c3 debug1: restore_uid: 0/0 Postponed publickey for root from 82.95.148.152 port 37242 ssh2 [preauth] debug1: userauth-request for user root service ssh-connection method publickey [preauth] debug1: attempt 2 failures 0 [preauth] debug1: temporarily_use_uid: 0/0 (e=0/0) debug1: trying public key file /root/.ssh/authorized_keys debug1: fd 4 clearing O_NONBLOCK debug1: matching key found: file /root/.ssh/authorized_keys, line 1 RSA 03:49:fe:52:1c:7f:bc:9d:fe:fa:5f:59:d7:45:98:c3 debug1: restore_uid: 0/0 debug1: do_pam_account: called -> wachten Accepted publickey for root from 82.95.148.152 port 37242 ssh2: RSA 03:49:fe:52:1c:7f:bc:9d:fe:fa:5f:59:d7:45:98:c3 debug1: monitor_child_preauth: root has been authenticated by privileged process debug1: monitor_read_log: child log fd closed debug1: PAM: establishing credentials -> wachten debug1: packet_set_postauth: called debug1: Entering interactive session for SSH2. debug1: server_init_dispatch_20 debug1: server_input_channel_open: ctype session rchan 0 win 1048576 max 16384 debug1: input_session_request debug1: channel 0: new [server-session] debug1: session_new: session 0 debug1: session_open: channel 0 debug1: session_open: session 0: link with channel 0 debug1: server_input_channel_open: confirm session debug1: server_input_global_request: rtype no-more-sessi...@openssh.com want_reply 0 debug1: server_input_channel_req: channel 0 request pty-req reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req pty-req debug1: Allocating pty. debug1: session_pty_req: session 0 alloc /dev/pts/2 debug1: Ignoring unsupported tty mode opcode 42 (0x2a) debug1: SELinux support disabled debug1: server_input_channel_req: channel 0 request env reply 0 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req env debug1: server_input_channel_req: channel 0 request shell reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req shell Starting session: shell on pts/2 for root from 82.95.148.152 port 37242 debug1: Setting controlling tty using TIOCSCTTY. ---------- -- Paul van der Vlis Linux systeembeheer Groningen https://www.vandervlis.nl/