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    Command:

    faillog

    
    
    

    SYNOPSIS

           faillog [options]
    
    
    

    DESCRIPTION

           faillog displays the contents of the failure log database
           (/var/log/faillog). It can also set the failure counters and limits.
           When faillog is run without arguments, it only displays the faillog
           records of the users who had a login failure.
    
    
    

    OPTIONS

           The options which apply to the faillog command are:
    
           -a, --all
               Display (or act on) faillog records for all users having an entry
               in the faillog database.
    
               The range of users can be restricted with the -u option.
    
               In display mode, this is still restricted to existing users but
               forces the display of the faillog entries even if they are empty.
    
               With the -l, -m, -r, -t options, the users' records are changed,
               even if the user does not exist on the system. This is useful to
               reset records of users that have been deleted or to set a policy in
               advance for a range of users.
    
           -h, --help
               Display help message and exit.
    
           -l, --lock-secs SEC
               Lock account for SEC seconds after failed login.
    
               Write access to /var/log/faillog is required for this option.
    
           -m, --maximum MAX
               Set the maximum number of login failures after the account is
               disabled to MAX.
    
               Selecting a MAX value of 0 has the effect of not placing a limit on
               the number of failed logins.
    
               The maximum failure count should always be 0 for root to prevent a
               denial of services attack against the system.
    
               Write access to /var/log/faillog is required for this option.
    
           -r, --reset
               Reset the counters of login failures.
    
               Write access to /var/log/faillog is required for this option.
    
           -t, --time DAYS
    
    
    

    CAVEATS

           faillog only prints out users with no successful login since the last
           failure. To print out a user who has had a successful login since their
           last failure, you must explicitly request the user with the -u flag, or
           print out all users with the -a flag.
    
    
    

    FILES

           /var/log/faillog
               Failure logging file.
    
    
    

    SEE ALSO

           login(1), faillog(5).
    
    
    

    System Management Commands 04/09/2012 FAILLOG(8)

    
    
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