ssh 多次登录禁用账号

vi /etc/pam.d/sshd

#%PAM-1.0
auth required pam_tally2.so deny=3 unlock_time=600 even_deny_root root_unlock_time=1200

 

查看错误登录次数：pam_tally2 -u root

pam_tally2 -u root --reset