Linux防止远程暴力破解用户名密码进行账户锁定需要进行什么操作。()
A.编辑 /etc/pamd.d/system-auth 文件 添加auth required pam_tally2.so deny=3 unlock_time=600 B.编辑 /etc/pam.d/system.auth 文件添加auth required pam_tally2.so deny=3 unlock_time=600 C.编辑 /etc/pam.d/password.auth文件添加auth required pam_tally2.so deny=3 unlock_time=600 D.编辑 /etc/pamd.d/passwprd-auth文件添加auth required pam_tally2.so deny=3 unlock_time=600