'\" t
.\"     Title: faillock
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.79.2 <http://docbook.sf.net/>
.\"      Date: 05/07/2023
.\"    Manual: Linux-PAM Manual
.\"    Source: Linux-PAM
.\"  Language: English
.\"
.TH "FAILLOCK" "8" "05/07/2023" "Linux\-PAM" "Linux\-PAM Manual"
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.SH "NAME"
faillock \- Tool for displaying and modifying the authentication failure record files
.SH "SYNOPSIS"
.HP \w'\fBfaillock\fR\ 'u
\fBfaillock\fR [\-\-dir\ \fI/path/to/tally\-directory\fR] [\-\-user\ \fIusername\fR] [\-\-reset]
.SH "DESCRIPTION"
.PP
The
\fIpam_faillock\&.so\fR
module maintains a list of failed authentication attempts per user during a specified interval and locks the account in case there were more than
\fIdeny\fR
consecutive failed authentications\&. It stores the failure records into per\-user files in the tally directory\&.
.PP
The
\fBfaillock\fR
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
\fIusername\fR
or clear the tally files of all or individual
\fIusernames\fR\&.
.SH "OPTIONS"
.PP
\-\-conf /path/to/config\-file
.RS 4
The file where the configuration is located\&. The default is
/etc/security/faillock\&.conf\&.
.RE
.PP
\-\-dir /path/to/tally\-directory
.RS 4
The directory where the user files with the failure records are kept\&.
.sp
The priority to set this option is to use the value provided from the command line\&. If this isn\*(Aqt provided, then the value from the configuration file is used\&. Finally, if neither of them has been provided, then
/var/run/faillock
is used\&.
.RE
.PP
\-\-user username
.RS 4
The user whose failure records should be displayed or cleared\&.
.RE
.PP
\-\-reset
.RS 4
Instead of displaying the user\*(Aqs failure records, clear them\&.
.RE
.SH "FILES"
.PP
/var/run/faillock/*
.RS 4
the files logging the authentication failures for users
.RE
.SH "SEE ALSO"
.PP
\fBpam_faillock\fR(8),
\fBpam\fR(8)
.SH "AUTHOR"
.PP
faillock was written by Tomas Mraz\&.