09-17-2013
Your limits.conf syntax is wrong. You are trying to limit a group named root, not a user named root. Change "@root" to "root"
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FAILLOG(8) FAILLOG(8)
NAME
faillog - display faillog records or set login failure limits
SYNOPSIS
faillog [options]
DESCRIPTION
faillog formats the contents of the failure log from /var/log/faillog database. It also can be used for maintains failure counters and
limits. Run faillog without arguments display only list of user faillog records who have ever had a login failure.
OPTIONS
The options which apply to the faillog command are:
-a, --all
Display faillog records for all users.
-h, --help
Display help message and exit.
-l, --lock-time SEC
Lock accout to SEC seconds after failed login.
-m, --maximum MAX
Set maiximum number of login failures after the account is disabled to MAX. Selecting 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.
-r, --reset
Reset the counters of login failures or one recor if used with -u LOGIN option. Write access to /var/log/faillog is required for
this option.
-t, --time DAYS
Display faillog records more recent than DAYS. The -t flag overrides the use of -u.
-u, --user LOGIN
Display faillog record or maintains failure counters and limits (if used with -l, -m or -r options) only for user with LOGIN.
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)
AUTHOR
Julianne Frances Haugh (jockgrrl@ix.netcom.com)
08/03/2005 FAILLOG(8)