ssh禁止root用户登录

[code="java"]查看ssh服务是否安装 # rpm -qa |grep -E '(ssh.*server|server.*ssh)'

openssh-server-5.3p1-70.el6.i686

查看配置文件

# rpm -qc openssh-server

/etc/pam.d/ssh-keycat

/etc/pam.d/sshd

/etc/ssh/sshd_config

/etc/sysconfig/sshd

man手册查看禁止root登录的选项

# man /etc/ssh/sshd_config

# vim /etc/ssh/sshd_config

PermitRootLogin no

验证
[10:22:20 talen@BJB0300 ~ ]$ ssh -l root 192.168.74.129
root@192.168.74.129's password:
Permission denied, please try again.
root@192.168.74.129's password:
[10:22:48 talen@BJB0300 ~ ]$ ssh -l talen 192.168.74.129
talen@192.168.74.129's password:
[talen@localhost ~]$ ls
Desktop Documents Downloads Music Pictures Public Templates Videos
root用户无法登录,普通用户可以登录[/code]