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How to lock user account on Red Hat Enterprise Linux Server release 5.7 after certain no of unsuccessful attempts

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Use the pam_tally module in your PAM authentication setup. Insert as desired into the relevant /etc/pam.d/* configuration files.

Sample:

auth     required       pam_tally.so deny=10 unlock_time=60 per_user

10 failed logins generates a 1 minute lockout.

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  • which pam config file I need to insert this line?? is it /etc/pam.d/system-auth – Somenath Karmakar May 31 '12 at 21:01

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