CentOS中禁止用户ssh和sftp登陆的详解

vi/etc/ssh/sshd_config

# 禁止用户user1登陆，多个空格分隔
DenyUsers user1
# 禁止用户组group1的所有用户登录，多个空格分隔
DenyGroups group1

/etc/rc.d/init.d/sshd restart

# 使用ssh测试
[root@ServerA ~]# ssh user1@192.168.1.168
user1@192.168.1.168's password: 
Permission denied, please try again.
# 使用sftp测试
[root@ServerA ~]# sftp user1@192.168.1.168
user1@192.168.1.168's password: 
Permission denied, please try again.