修改freebsd可以用sshd權限用戶登錄ssh 但不能用root用戶登錄的方法

在/etc/ssh/sshd_config最后中加入 

PermitRootLogin yes #允許root登錄
PermitEmptyPasswords no #不允許空密碼登錄
PasswordAuthentication yes # 設置是否使用口令驗證。
就可以了

FreeBSD SSH配置詳解

首先vi編輯/etc/inetd.conf,去掉ssh前的#，保存退出 (開啟****ssh服務)
編輯/etc/rc.conf
最后加入:sshd_enable="yes"即可
激活sshd服務：
techo#/etc/rc.d/sshd start
用下面命令檢查服務是否啟動，在22端口應該有****。
#netstat -an ## check port number 22
最后
vi /etc/ssh/sshd_config,
下面是我的配置文件：(/etc/ssh/sshd_config)
####################################################

# $OpenBSD: sshd_config,v 1.72 2005/07/25 11:59:40 markus Exp $
# $FreeBSD: src/crypto/openssh/sshd_config,v 1.42.2.1 2005/09/11 16:50:35 des Exp $

# This is the sshd server system-wide configuration file. See
# sshd_config(5) for more information.

# This sshd was compiled with PATH=/usr/bin:/bin:/usr/sbin:/sbin

# The strategy used for options in the default sshd_config shipped with
# OpenSSH is to specify options with their default value where
# possible, but leave them commented. Uncommented options change a
# default value.

# Note that some of FreeBSD's defaults differ from OpenBSD's, and
# FreeBSD has a few additional options.

#VersionAddendum FreeBSD-20050903

#Port 22
#Protocol 2
#AddressFamily any
#ListenAddress 10.1.10.196
#ListenAddress ::

# HostKey for protocol version 1
#HostKey /etc/ssh/ssh_host_key
# HostKeys for protocol version 2
#HostKey /etc/ssh/ssh_host_dsa_key

# Lifetime and size of ephemeral version 1 server key
#KeyRegenerationInterval 1h
#ServerKeyBits 768

# Logging
# obsoletes QuietMode and FascistLogging
#SyslogFacility AUTH
#LogLevel INFO

# Authentication:

#LoginGraceTime 2m
#PermitRootLogin no
#StrictModes yes
#MaxAuthTries 6

#RSAAuthentication yes
#PubkeyAuthentication yes
#AuthorizedKey .ssh/authorized_keys
# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
#RhostsRSAAuthentication no
# similar for protocol version 2
#HostbasedAuthentication no
# Change to yes if you don't trust ~/.ssh/known_hosts for
# RhostsRSAAuthentication and HostbasedAuthentication
#IgnoreUserKnownHosts no
# Don't read the user's ~/.rhosts and ~/.shosts files
#IgnoreRhosts yes

# Change to yes to enable built-in password authentication.
PasswordAuthentication yes
#PermitEmptyPasswords no

# Change to no to disable PAM authentication
#ChallengeResponseAuthentication yes

# Kerberos options
#KerberosAuthentication no
#KerberosOrLocalPasswd yes
#KerberosTicketCleanup yes
#KerberosGetAFSToken no

# GSSAPI options
#GSSAPIAuthentication no
#GSSAPICleanupCredentials yes

# Set this to 'no' to disable PAM authentication, account processing,
# and session processing. If this is enabled, PAM authentication will
# be allowed through the ChallengeResponseAuthentication mechanism.
# Depending on your PAM configuration, this may bypass the setting of
# PasswordAuthentication, PermitEmptyPasswords, and
# "PermitRootLogin without-password". If you just want the PAM account and
# session checks to run without PAM authentication, then enable this but set
# ChallengeResponseAuthentication=no
#UsePAM yes

#AllowTcpForwarding yes
#GatewayPorts no
#X11Forwarding yes
#X11DisplayOffset 10
#X11UseLocalhost yes
#PrintMotd yes
#PrintLastLog yes
#TCPKeepAlive yes
#UseLogin no
#UsePrivilegeSeparation yes
#PermitUserEnvironment no
#Compression delayed
#ClientAliveInterval 0
#ClientAliveCountMax 3
#UseDNS no
#PidFile /var/run/sshd.pid
#MaxStartups 10

# no default banner path
#Banner /some/path

# override default of no subsystems
Subsystem sftp /usr/libexec/sftp-server

IgnoreRhosts yes
IgnoreUserKnownHosts yes
PrintMotd yes
StrictModes no
RSAAuthentication yes
PermitRootLogin yes #允許root登錄
PermitEmptyPasswords no #不允許空密碼登錄
PasswordAuthentication yes # 設置是否使用口令驗證。

##############################################

記得修改完配置文件后，重新啟動sshd服務器(/etc/rc.d/sshd restart)即可。
幾點補充說明
1,如果重啟后還是不行請重新載入sshd_config 文件
/etc/rc.d/sshd reload
2,如果出現using keyboard-interactive authentication
password:
請確認PasswordAuthentication是否已經改成yes
另外如果客戶端是putty那么請確認"嘗試'智能鍵盤'認證（SSH-2）"的勾是否有去掉
3,如果是使用root帳號登陸
請確認密碼是否為空
空密碼無法登陸
4請確認是否有安裝SSH
sysinstall>>>configure>>>networking>>>sshd是否的勾是否有打上