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- '\" t
- .\" Title: faillock
- .\" Author: [see the "AUTHOR" section]
- .\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
- .\" Date: 09/03/2021
- .\" Manual: Linux-PAM Manual
- .\" Source: Linux-PAM Manual
- .\" Language: English
- .\"
- .TH "FAILLOCK" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual"
- .\" -----------------------------------------------------------------
- .\" * Define some portability stuff
- .\" -----------------------------------------------------------------
- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- .\" http://bugs.debian.org/507673
- .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- .ie \n(.g .ds Aq \(aq
- .el .ds Aq '
- .\" -----------------------------------------------------------------
- .\" * set default formatting
- .\" -----------------------------------------------------------------
- .\" disable hyphenation
- .nh
- .\" disable justification (adjust text to left margin only)
- .ad l
- .\" -----------------------------------------------------------------
- .\" * MAIN CONTENT STARTS HERE *
- .\" -----------------------------------------------------------------
- .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
- \fB\-\-dir \fR\fB\fI/path/to/tally\-directory\fR\fR
- .RS 4
- The directory where the user files with the failure records are kept\&. The default is
- /var/run/faillock\&.
- .RE
- .PP
- \fB\-\-user \fR\fB\fIusername\fR\fR
- .RS 4
- The user whose failure records should be displayed or cleared\&.
- .RE
- .PP
- \fB\-\-reset\fR
- .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\&.
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