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auth      required pam_stack.so service=system-auth
auth      required pam_nologin.so
auth      required pam_tally.so onerr=fail no_magic_root
account   required pam_stack.so service=system-auth
account   required pam_tally.so deny=3 no_magic_root reset
password  required pam_stack.so service=system-auth
session   required pam_stack.so service=system-auth
session   optional pam_console.so
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