On 28.03.19 08:21, Peter Wiersig wrote: > basti <mailingl...@unix-solution.de> writes: > >> sftp -vv u...@example.com >> Transferred: sent 2508, received 2260 bytes, in 0.2 seconds >> Bytes per second: sent 15924.1, received 14349.5 >> debug1: Exit status 1 >> Connection closed >> >> >> scp -vv u...@example.com:/foo /tmp >> Transferred: sent 2508, received 2304 bytes, in 0.2 seconds >> Bytes per second: sent 15051.0, received 13826.7 >> debug1: Exit status 255 >> (...) >> I have no idea anymore whats wrong and how can I debug. > > You can't debug such setups from the client side. > > Have a look in /var/log/auth.log on the server and if that doesn't help: > > a) if necessary modify the firewall > b) launch sshd on a different port with no backgrounding and debug > output > => sshd -d -p 1234 > c) retry above steps with the alternate port > > Peter >
Hello Peter, thank you for this info. I have try sftp: /usr/sbin/sshd -d -p 2222 debug1: subsystem: exec() /usr/lib/openssh/sftp-server Starting session: subsystem 'sftp' for alice from 2.206.185.146 port 45292 id 0 debug1: Received SIGCHLD. debug1: session_by_pid: pid 12046 debug1: session_exit_message: session 0 channel 0 pid 12046 debug1: session_exit_message: release channel 0 Received disconnect from 2.206.185.146 port 45292:11: disconnected by user Disconnected from 2.206.185.146 port 45292 debug1: do_cleanup debug1: do_cleanup debug1: PAM: cleanup debug1: PAM: closing session debug1: PAM: deleting credentials debug1: audit_event: unhandled event 12 Try scp: /usr/sbin/sshd -d -p 2222 debug1: PAM: establishing credentials Changed root directory to "/home/alice" debug1: permanently_set_uid: 1001/1001 debug1: rekey after 134217728 blocks debug1: rekey after 134217728 blocks debug1: ssh_packet_set_postauth: called debug1: Entering interactive session for SSH2. debug1: server_init_dispatch debug1: server_input_channel_open: ctype session rchan 0 win 2097152 max 32768 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 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 exec reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req exec Starting session: command for alice from 2.206.185.146 port 45296 id 0 debug1: Received SIGCHLD. debug1: session_by_pid: pid 12078 debug1: session_exit_message: session 0 channel 0 pid 12078 debug1: session_exit_message: release channel 0 Received disconnect from 2.206.185.146 port 45296:11: disconnected by user Disconnected from 2.206.185.146 port 45296 debug1: do_cleanup debug1: do_cleanup debug1: PAM: cleanup debug1: PAM: closing session debug1: PAM: deleting credentials debug1: audit_event: unhandled event 12