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sudo で pam_tally および pam_tally2 を実行した時の失敗の回数が間違っている

Solution Unverified - Updated 2016-06-01T02:17:48+00:00 -

Issue

system-auth-ac で pam_tally.so または pam_tally2.so を有効にし、以下のコマンドを実行すると、パスワードが指定される前に faillog カウンターが増えます。

$ sudo -k su -

間違ったパスワードが入力されると、faillog カウンターが 2 つ増加します。

Environment

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6

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