<?xml version="1.0" encoding="UTF-8"?> <!-- SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh SPDX-FileCopyrightText: 2007 - 2008, Nicolas François SPDX-License-Identifier: BSD-3-Clause --> <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ <!-- SHADOW-CONFIG-HERE --> ]> <refentry id='faillog.5'> <!-- $Id$ --> <refentryinfo> <author> <firstname>Julianne Frances</firstname> <surname>Haugh</surname> <contrib>Creation, 1989</contrib> </author> <author> <firstname>Thomas</firstname> <surname>Kłoczko</surname> <email>kloczek@pld.org.pl</email> <contrib>shadow-utils maintainer, 2000 - 2007</contrib> </author> <author> <firstname>Nicolas</firstname> <surname>François</surname> <email>nicolas.francois@centraliens.net</email> <contrib>shadow-utils maintainer, 2007 - now</contrib> </author> </refentryinfo> <refmeta> <refentrytitle>faillog</refentrytitle> <manvolnum>5</manvolnum> <refmiscinfo class="sectdesc"> File Formats and Configuration Files</refmiscinfo> <refmiscinfo class="source">shadow-utils</refmiscinfo> <refmiscinfo class="version">&SHADOW_UTILS_VERSION;</refmiscinfo> </refmeta> <refnamediv id='name'> <refname>faillog</refname> <refpurpose>login failure logging file</refpurpose> </refnamediv> <refsect1 id='description'> <title>DESCRIPTION</title> <para> <filename>/var/log/faillog</filename> maintains a count of login failures and the limits for each account. </para> <para> The file contains fixed length records, indexed by numerical UID. Each record contains the count of login failures since the last successful login; the maximum number of failures before the account is disabled; the line on which the last login failure occurred; the date of the last login failure; and the duration (in seconds) during which the account will be locked after a failure. </para> <para>The structure of the file is:</para> <programlisting> struct faillog { short fail_cnt; short fail_max; char fail_line[12]; time_t fail_time; long fail_locktime; };</programlisting> </refsect1> <refsect1 id='files'> <title>FILES</title> <variablelist> <varlistentry> <term><filename>/var/log/faillog</filename></term> <listitem> <para>Failure logging file.</para> </listitem> </varlistentry> </variablelist> </refsect1> <refsect1 id='see_also'> <title>SEE ALSO</title> <para> <citerefentry> <refentrytitle>faillog</refentrytitle><manvolnum>8</manvolnum> </citerefentry> </para> </refsect1> </refentry>