155 lines
5.2 KiB
XML
155 lines
5.2 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
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<refentry id='faillog.8'>
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<!-- $Id: faillog.8.xml,v 1.9 2005/06/16 15:50:30 kloczek Exp $ -->
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<refmeta>
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<refentrytitle>faillog</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv id='name'>
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<refname>faillog</refname>
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<refpurpose>display faillog records or set login failure limits</refpurpose>
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</refnamediv>
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<refsynopsisdiv id='synopsis'>
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<cmdsynopsis>
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<command>faillog</command>
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<arg choice='opt'>
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<replaceable>options</replaceable>
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</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1 id='description'>
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<title>DESCRIPTION</title>
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<para><command>faillog</command> formats the contents of the failure log
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from <filename>/var/log/faillog</filename> database. It also can be
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used for maintains failure counters and limits. Run
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<command>faillog</command> without arguments display only list of user
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faillog records who have ever had a login failure.
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</para>
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</refsect1>
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<refsect1 id='options'>
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<title>OPTIONS</title>
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<para>
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The options which apply to the <command>faillog</command> command
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are:
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</para>
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<variablelist remap='IP'>
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<varlistentry>
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<term><option>-a</option>, <option>--all</option></term>
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<listitem>
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<para>Display faillog records for all users.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-h</option>, <option>--help</option></term>
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<listitem>
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<para>Display help message and exit.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-l</option>, <option>--lock-time</option>
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<replaceable>SEC</replaceable>
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</term>
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<listitem>
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<para>
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Lock accout to <emphasis remap='I'>SEC</emphasis>
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seconds after failed login.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-m</option>, <option>--maximum</option>
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<replaceable>MAX</replaceable>
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</term>
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<listitem>
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<para>Set maiximum number of login failures after the account is
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disabled to <emphasis remap='I'>MAX</emphasis>. Selecting
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<emphasis remap='I'>MAX</emphasis> value of 0 has the effect of
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not placing a limit on the number of failed logins. The maximum
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failure count should always be 0 for <emphasis
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remap='B'>root</emphasis> to prevent a denial of services attack
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against the system.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-r</option>, <option>--reset</option></term>
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<listitem>
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<para>Reset the counters of login failures or one recor if used
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with -u <emphasis remap='I'>LOGIN</emphasis> option. Write
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access to <filename>/var/log/faillog</filename> is required for
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this option.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-t</option>, <option>--time</option>
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<replaceable>DAYS</replaceable>
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</term>
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<listitem>
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<para>
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Display faillog records more recent than <emphasis
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remap='I'>DAYS</emphasis>. The <option>-t</option> flag overrides
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the use of <option>-u</option>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-u</option>, <option>--user</option>
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<replaceable>LOGIN</replaceable>
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</term>
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<listitem>
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<para>Display faillog record or maintains failure counters and
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limits (if used with <option>-l</option>, <option>-m</option> or
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<option>-r</option> options) only for user with <emphasis
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remap='I'>LOGIN</emphasis>.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id='caveats'>
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<title>CAVEATS</title>
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<para><command>faillog</command> only prints out users with no successful
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login since the last failure. To print out a user who has had a
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successful login since their last failure, you must explicitly request
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the user with the <option>-u</option> flag, or print out all users
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with the <option>-a</option> flag.
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</para>
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</refsect1>
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<refsect1 id='files'>
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<title>FILES</title>
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<variablelist>
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<varlistentry>
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<term><filename>/var/log/faillog</filename></term>
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<listitem>failure logging file</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id='see_also'>
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<title>SEE ALSO</title>
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<para><citerefentry>
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<refentrytitle>login</refentrytitle><manvolnum>1</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>faillog</refentrytitle><manvolnum>5</manvolnum>
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</citerefentry>
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</para>
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</refsect1>
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<refsect1 id='author'>
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<title>AUTHOR</title>
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<para>Julianne Frances Haugh (jockgrrl@ix.netcom.com)</para>
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</refsect1>
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</refentry>
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