rhel5.3修改pam，三次密码错误锁定账户

rhel5.3修改pam，三次密码错误锁定账户

[root@trs ~]# cat /etc/pam.d/system-auth #%PAM-1.0 # This file is auto-generated. # User changes will be destroyed the next time authconfig is run. auth        required      pam_env.so auth        sufficient    pam_unix.so   nullok try_first_pass auth        requisite     pam_succeed_if.so uid >= 500 quiet auth        required      pam_deny.so auth        required      /lib/security/pam_tally.so onerr=fail no_magic_root

account     required      pam_unix.so account     sufficient    pam_succeed_if.so uid < 500 quiet account     required      pam_permit.so account     required      /lib/security/pam_tally.so deny=5 no_magic_root reset

password    requisite     pam_cracklib.so try_first_pass retry=3 password    sufficient    pam_unix.so md5 shadow nullok try_first_pass use_authtok password    required      pam_deny.so

session     optional      pam_keyinit.so revoke session     required      pam_limits.so session     [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid session     required      pam_unix.so

只需要增加

auth        required      /lib/security/pam_tally.so onerr=fail no_magic_root

account     required      /lib/security/pam_tally.so deny=5 no_magic_root reset

日志显示

Mar 11 17:29:14 trs sshd[3930]: pam_unix(sshd:session): session opened for user root by (uid=0) Mar 11 17:31:36 trs sshd[3974]: PAM unable to dlopen(/lib/security/pam_tally.so) Mar 11 17:31:36 trs sshd[3974]: PAM [error: /lib/security/pam_tally.so: wrong ELF class: ELFCLASS32] Mar 11 17:31:36 trs sshd[3974]: PAM adding faulty module: /lib/security/pam_tally.so Mar 11 17:31:41 trs sshd[3974]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.16.1.100  user=tt Mar 11 17:31:43 trs sshd[3974]: Failed password for tt from 172.16.1.100 port 1728 ssh2

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