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FAILLOCK
Section: Linux-PAM Manual (8) Updated: 02/02/2026 Index
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NAME
faillock - Tool for displaying and modifying the authentication failure record files
SYNOPSIS
-
faillock [--dir /path/to/tally-directory] [--user username] [--reset]
DESCRIPTION
The
pam_faillock.so
module maintains a list of failed authentication attempts per user during a specified interval and locks the account in case there were more than
deny
consecutive failed authentications. It stores the failure records into per-user files in the tally directory.
The
faillock
command is an application which can be used to examine and modify the contents of the tally files. It can display the recent failed authentication attempts of the
username
or clear the tally files of all or individual
usernames.
OPTIONS
--conf /path/to/config-file
-
The file where the configuration is located. The default is
/etc/security/faillock.conf.
--dir /path/to/tally-directory
-
The directory where the user files with the failure records are kept.
The priority to set this option is to use the value provided from the command line. If this isn't provided, then the value from the configuration file is used. Finally, if neither of them has been provided, then
/var/run/faillock
is used.
--user username
-
The user whose failure records should be displayed or cleared.
--reset
-
Instead of displaying the user's failure records, clear them.
FILES
/var/run/faillock/*
-
the files logging the authentication failures for users
SEE ALSO
pam_faillock(8),
pam(8)
AUTHOR
faillock was written by Tomas Mraz.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- FILES
-
- SEE ALSO
-
- AUTHOR
-
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