ssh禁止root使用者登入

檢視ssh服務是否安裝 

[root@localhost ~]# rpm -qa |grep -E '(ssh.*server|server.*ssh)'

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

檢視配置檔案

[root@localhost ~]# rpm -qc openssh-server

/etc/pam.d/ssh-keycat

/etc/pam.d/sshd

/etc/ssh/sshd_config

/etc/sysconfig/sshd

man手冊檢視禁止root登入的選項

[root@localhost ~]# man /etc/ssh/sshd_config

[root@localhost ~]# vim /etc/ssh/sshd_config

PermitRootLogin no

驗證

[10:22:20 talen@BJB0300 ~ ]$ ssh -l root 192.168.74.129

[email protected]'s password: 

Permission denied, please try again.

[10:22:48 talen@BJB0300 ~ ]$ ssh -l talen 192.168.74.129

[email protected]'s password: 

[talen@localhost ~]$ ls

Desktop  Documents  Downloads  Music  Pictures  Public  Templates  Videos

root使用者無法登入,普通使用者可以登入