SSH 重启之后连接不上

donyad

昨天SSH 上我的服务器，FB6.0
本意是更改SSH的服务端口
原配置文件是默认的
取消掉Port 22 前面的注释，改了个其它端口
然后/etc/rc.d/sshd restart
记不清启动脚本是sshd还是ssh了，当时是启动成功了，netstat -an 能看到端口换了
但是新开一个SSH Secure Shell Client 连接不上新端口
当时也没仔细研究，把端口那行改回22 重启sshd 进程，netstat 察看端口回到22，就断开了连接
今天发现已经不能再连上去了
ssh -v 出来的信息
user@yyyy:~$ ssh -v xx.xxx.xx.xxx                                    
OpenSSH_3.8.1p1 Debian-8.sarge.4, OpenSSL 0.9.7e 25 Oct 2004
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to xx.xxx.xx.xxx  [xx.xxx.xx.xxx ] port 22.
debug1: Connection established.
debug1: identity file /home/user/.ssh/identity type -1
debug1: identity file /home/user/.ssh/id_rsa type -1
debug1: identity file /home/user/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_4.2p1 FreeBSD-20050903
debug1: match: OpenSSH_4.2p1 FreeBSD-20050903 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_3.8.1p1 Debian-8.sarge.4
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host 'xx.xxx.xx.xxx' is known and matches the DSA host key.
debug1: Found key in /home/user/.ssh/known_hosts:2
debug1: ssh_dss_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/user/.ssh/identity
debug1: Trying private key: /home/user/.ssh/id_rsa
debug1: Trying private key: /home/user/.ssh/id_dsa
debug1: Next authentication method: keyboard-interactive
Connection closed by xx.xxx.xx.xxx

大家帮看看，是否还有救？
先拜谢了~