感谢dongsheng兄！ 我在.bashrc最前面加上了 [ -z "$PS1" ] && return sftp就可以登录了！
但是还是想知道这问题和我加上的那个自动startx有什么关系。 为什么注释掉那一段就可以登录呢？ 2010/7/6 Dongsheng Song <[email protected]> > 从日志看，是客户端不理解服务器的输出，才主动关闭的： > > > Jul 6 10:00:50 atom sshd[4045]: Received disconnect from 192.168.0.231: > 11: disconnected by user > > 你有没有试试我这个方法呢？ > > > > 那么可以在 /root/.bashrc 开始增加： > > # If not running interactively, don't do anything > > [ -z "$PS1" ] && return > > > 2010/7/6 higeon <[email protected]> > > >> 应该跟sftp的版本没有关系。 >> 不管我用windows下的winscp还是用linux下的sftp，root都没法连上去。 >> 输入密码之后就得到Connection closed的信息。 >> 我觉得一定是和.bashrc中的自动startx那段有关系。注释掉之后就可以sftp登录。 >> 难道sftp用的是/dev/tty1？ >> >> >> 在/root/.bashrc中添加了 >> >> >> # Auto start X >> >> if [ -z "$DISPLAY" ] && [ $(tty) = /dev/tty1 ]; then >> >> while true >> >> do >> >> startx >> >> done >> >> fi >> >> 下面是DEBUG模式下的auth.log输出。 >> >> Jul 6 10:00:43 atom sshd[4029]: debug1: Forked child 4045. >> Jul 6 10:00:43 atom sshd[4045]: debug1: rexec start in 5 out 5 newsock 5 >> pipe 7 sock 8 >> Jul 6 10:00:43 atom sshd[4045]: debug1: inetd sockets after dupping: 3, 3 >> Jul 6 10:00:43 atom sshd[4045]: Connection from 192.168.0.231 port 46875 >> Jul 6 10:00:43 atom sshd[4045]: debug1: Client protocol version 2.0; >> client software version OpenSSH_5.3p1 Debian-3ubuntu4 >> Jul 6 10:00:43 atom sshd[4045]: debug1: match: OpenSSH_5.3p1 >> Debian-3ubuntu4 pat OpenSSH* >> Jul 6 10:00:43 atom sshd[4045]: debug1: Enabling compatibility mode for >> protocol 2.0 >> Jul 6 10:00:43 atom sshd[4045]: debug1: Local version string >> SSH-2.0-OpenSSH_5.1p1 Debian-5 >> Jul 6 10:00:48 atom sshd[4045]: debug1: PAM: initializing for "root" >> Jul 6 10:00:48 atom sshd[4045]: debug1: PAM: setting PAM_RHOST to >> "192.168.0.231" >> Jul 6 10:00:48 atom sshd[4045]: debug1: PAM: setting PAM_TTY to "ssh" >> Jul 6 10:00:48 atom sshd[4045]: Failed none for root from 192.168.0.231 >> port 46875 ssh2 >> Jul 6 10:00:50 atom sshd[4045]: debug1: PAM: password authentication >> accepted for root >> Jul 6 10:00:50 atom sshd[4045]: debug1: do_pam_account: called >> Jul 6 10:00:50 atom sshd[4045]: Accepted password for root from >> 192.168.0.231 port 46875 ssh2 >> Jul 6 10:00:50 atom sshd[4045]: debug1: monitor_child_preauth: root has >> been authenticated by privileged process >> Jul 6 10:00:50 atom sshd[4045]: debug1: PAM: establishing credentials >> Jul 6 10:00:50 atom sshd[4045]: pam_unix(sshd:session): session opened >> for user root by (uid=0) >> Jul 6 10:00:50 atom sshd[4045]: debug1: Entering interactive session for >> SSH2. >> Jul 6 10:00:50 atom sshd[4045]: debug1: server_init_dispatch_20 >> Jul 6 10:00:50 atom sshd[4045]: debug1: server_input_channel_open: ctype >> session rchan 0 win 2097152 max 32768 >> Jul 6 10:00:50 atom sshd[4045]: debug1: input_session_request >> Jul 6 10:00:50 atom sshd[4045]: debug1: channel 0: new [server-session] >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_new: session 0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_open: channel 0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_open: session 0: link >> with channel 0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: server_input_channel_open: >> confirm session >> Jul 6 10:00:50 atom sshd[4045]: debug1: server_input_global_request: >> rtype [email protected] want_reply 0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: server_input_channel_req: channel >> 0 request env reply 0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_by_channel: session 0 >> channel 0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_input_channel_req: >> session 0 req env >> Jul 6 10:00:50 atom sshd[4045]: debug1: server_input_channel_req: channel >> 0 request subsystem reply 1 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_by_channel: session 0 >> channel 0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_input_channel_req: >> session 0 req subsystem >> Jul 6 10:00:50 atom sshd[4045]: subsystem request for sftp >> Jul 6 10:00:50 atom sshd[4045]: debug1: subsystem: exec() >> /usr/lib/openssh/sftp-server >> Jul 6 10:00:50 atom sshd[4047]: debug1: SELinux support disabled >> Jul 6 10:00:50 atom sshd[4047]: debug1: PAM: reinitializing credentials >> Jul 6 10:00:50 atom sshd[4047]: debug1: permanently_set_uid: 0/0 >> Jul 6 10:00:50 atom sshd[4045]: debug1: Received SIGCHLD. >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_by_pid: pid 4047 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_exit_message: session 0 >> channel 0 pid 4047 >> Jul 6 10:00:50 atom sshd[4045]: debug1: session_exit_message: release >> channel 0 >> Jul 6 10:00:50 atom sshd[4045]: Received disconnect from 192.168.0.231: >> 11: disconnected by user >> Jul 6 10:00:50 atom sshd[4045]: debug1: do_cleanup >> Jul 6 10:00:50 atom sshd[4045]: debug1: PAM: cleanup >> Jul 6 10:00:50 atom sshd[4045]: debug1: PAM: deleting credentials >> Jul 6 10:00:50 atom sshd[4045]: debug1: PAM: closing session >> Jul 6 10:00:50 atom sshd[4045]: pam_unix(sshd:session): session closed >> for user root >> >> >> >> 2010/7/5 Dongsheng Song <[email protected]> >> >>> 改 LogLevel 为 VERBOSE 之后，也没有看到 sftp 的错误，看来需要改为 DEBUG。 >>> >>> 根据这里的信息，似乎是你的 sftp 客户端比较旧，不能理解非交互输出的内容。 >>> http://www.openssh.org/faq.html#2.9 >>> >>> 那么可以在 /root/.bashrc 开始增加： >>> >>> # If not running interactively, don't do anything >>> [ -z "$PS1" ] && return >>> >>> >>> >>> 2010/7/5 higeon <[email protected]> >>> >>>> 改LogLevel为VERBOSE 之后 >>>> 看到如下的log输出 >>>> >>>> Jul 5 17:57:09 atom sshd[3789]: Connection from 192.168.0.105 port >>>> 49681 >>>> Jul 5 17:57:09 atom sshd[3789]: Address 192.168.0.105 maps to >>>> atom.local, but this does not map back to the address - POSSIBLE >>>> BREAK-IN ATTEMPT! >>>> Jul 5 17:57:09 atom sshd[3789]: Failed none for root from >>>> 192.168.0.105 port 49681 ssh2 >>>> Jul 5 17:57:30 atom sshd[3789]: Accepted password for root from >>>> 192.168.0.105 port 49681 ssh2 >>>> Jul 5 17:57:30 atom sshd[3789]: pam_unix(sshd:session): session >>>> opened for user root by (uid=0) >>>> Jul 5 17:57:30 atom sshd[3789]: subsystem request for sftp >>>> Jul 5 17:57:30 atom sshd[3789]: Connection closed by 192.168.0.105 >>>> Jul 5 17:57:30 atom sshd[3789]: pam_unix(sshd:session): session >>>> closed for user root >>>> Jul 5 17:57:30 atom sshd[3789]: Transferred: sent 1960, received 1424 >>>> bytes >>>> Jul 5 17:57:30 atom sshd[3789]: Closing connection to 192.168.0.105 >>>> port 49681 >>>> >>>> >>>> 问题在哪？ >>>> >>>> >>>> 2010/7/5 Dongsheng Song <[email protected]>: >>>> > 我用普通用户没有问题。 >>>> > 你修改 sshd 的日志级别，再登录 sftp，看看 sshd 的日志报告什么问题？ >>>> > >>>> > Syslog Facility AUTH >>>> > LogLevel VERBOSE 或 DEBUG >>>> > >>>> > tail -f /var/log/auth.log >>>> > >>>> > 2010/7/5 higeon <[email protected]> >>>> >> >>>> >> 在debian 5.04 lenny下我按照下面的方法设定了root的自动登录和自动startx。 >>>> >> 后 来发现用root用户sftp登录登不进去。但是ssh却没问题。 >>>> >> 我发现只要去掉root用户的.bashrc中的自动startx设定，sftp就可以正常登录。 >>>> >> >>>> >> root自动登录和自动startx的设定如下： >>>> >> >>>> >> 修改/etc/inittab >>>> >> 把 >>>> >> 1:2345:respawn:/sbin/getty 38400 tty1 >>>> >> 修改为 >>>> >> 1:2345:respawn:/sbin/rungetty tty1 --autologin root >>>> >> >>>> >> 在/root/.bashrc中添加 >>>> >> # Auto start X >>>> >> if [ -z "$DISPLAY" ] && [ $(tty) = /dev/tty1 ]; then >>>> >> while true >>>> >> do >>>> >> startx >>>> >> done >>>> >> fi >>>> >> >>>> >> ※以上设定我参考了 >>>> >> http://forums.debian.net/viewtopic.php?t=29333 >>>> >> >>>> >> ※PermitRootLogin 设定为 yes，没有改过。 >>>> >> >>>> >> 谁能帮忙解决这个问题？ >>>> >> >>>> >> 谢谢！ >>>> > >>>> > >>>> >>> >>> >> >
