[f97d5f6] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[3c64e32] | 7 | <!ENTITY libpwquality-download-http "https://github.com/libpwquality/libpwquality/releases/download/libpwquality-&libpwquality-version;/libpwquality-&libpwquality-version;.tar.bz2">
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[f97d5f6] | 8 | <!ENTITY libpwquality-download-ftp " ">
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[9a887c2a] | 9 | <!ENTITY libpwquality-md5sum "ae6e61fc33f5dac0de5e847eb7520d71">
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[6914a417] | 10 | <!ENTITY libpwquality-size "416 KB">
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| 11 | <!ENTITY libpwquality-buildsize "4.1 MB">
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[f97d5f6] | 12 | <!ENTITY libpwquality-time "less than 0.1 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="libpwquality" xreflabel="libpwquality-&libpwquality-version;">
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| 16 | <?dbhtml filename="libpwquality.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy: fernando $</othername>
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| 20 | <date>$Date: 2015-09-25 08:48:24 -0500 (Fri, 25 Sep 2015) $</date>
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| 21 | </sect1info>
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| 22 |
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| 23 | <title>libpwquality-&libpwquality-version;</title>
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| 24 |
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| 25 | <indexterm zone="libpwquality">
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[183f254] | 26 | <primary sortas="a-libpwquality">libpwquality</primary>
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[f97d5f6] | 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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[183f254] | 30 | <title>Introduction to libpwquality</title>
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[f97d5f6] | 31 |
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| 32 | <para>
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[096ed61] | 33 | The <application>libpwquality</application> package provides common
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[f97d5f6] | 34 | functions for password quality checking and also scoring them based on
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| 35 | their apparent randomness. The library also provides a function for
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[f3429309] | 36 | generating random passwords with good pronounceability.
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[f97d5f6] | 37 | </para>
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| 38 |
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[90c883f] | 39 | &lfs91_checked;
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[f97d5f6] | 40 |
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| 41 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 42 | <itemizedlist spacing="compact">
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| 43 | <listitem>
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| 44 | <para>
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| 45 | Download (HTTP): <ulink url="&libpwquality-download-http;"/>
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| 46 | </para>
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| 47 | </listitem>
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| 48 | <listitem>
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| 49 | <para>
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| 50 | Download (FTP): <ulink url="&libpwquality-download-ftp;"/>
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| 51 | </para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>
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| 55 | Download MD5 sum: &libpwquality-md5sum;
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| 56 | </para>
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| 57 | </listitem>
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| 58 | <listitem>
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| 59 | <para>
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| 60 | Download size: &libpwquality-size;
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| 61 | </para>
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| 62 | </listitem>
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| 63 | <listitem>
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| 64 | <para>
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| 65 | Estimated disk space required: &libpwquality-buildsize;
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| 66 | </para>
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| 67 | </listitem>
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| 68 | <listitem>
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| 69 | <para>
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| 70 | Estimated build time: &libpwquality-time;
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| 71 | </para>
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| 72 | </listitem>
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| 73 | </itemizedlist>
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| 74 |
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| 75 | <bridgehead renderas="sect3">libpwquality Dependencies</bridgehead>
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| 76 |
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[9dc3146] | 77 | <bridgehead renderas="sect4">Required</bridgehead>
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| 78 | <para role="required">
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| 79 | <xref linkend="cracklib"/>
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| 80 | </para>
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| 81 |
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[f97d5f6] | 82 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 83 | <para role="recommended">
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[9dc3146] | 84 | <xref linkend="linux-pam"/>
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[f97d5f6] | 85 | </para>
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| 86 |
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[2c64887e] | 87 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 88 | <para role="optional">
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| 89 | <xref linkend="python2"/>
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| 90 | </para>
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| 91 |
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[f97d5f6] | 92 | <para condition="html" role="usernotes">User Notes:
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| 93 | <ulink url="&blfs-wiki;/libpwquality"/>
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| 94 | </para>
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| 95 | </sect2>
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| 96 |
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| 97 | <sect2 role="installation">
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| 98 | <title>Installation of libpwquality</title>
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| 99 |
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| 100 | <para>
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| 101 | Install <application>libpwquality</application> by running the following
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| 102 | commands:
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| 103 | </para>
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| 104 |
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[9a887c2a] | 105 | <screen><userinput>./configure --prefix=/usr \
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| 106 | --disable-static \
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[2c64887e] | 107 | --with-securedir=/lib/security \
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[9a887c2a] | 108 | --with-python-binary=python3 &&
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[f97d5f6] | 109 | make</userinput></screen>
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| 110 |
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| 111 | <para>
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| 112 | This package does not come with a test suite.
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| 113 | </para>
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| 114 |
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| 115 | <para>
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| 116 | Now, as the <systemitem class="username">root</systemitem> user:
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| 117 | </para>
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| 118 |
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| 119 | <screen role="root"><userinput>make install</userinput></screen>
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| 120 |
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| 121 | </sect2>
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| 122 |
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[2c64887e] | 123 | <sect2 role="commands">
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| 124 | <title>Command Explanations</title>
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| 125 |
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| 126 | <para>
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| 127 | <parameter>--with-python-binary=python3</parameter>: This parameter gives
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| 128 | the location of the <application>Python</application> binary. The default
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| 129 | is <parameter>python</parameter>, and requires <xref linkend="python2"/>.
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| 130 | </para>
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| 131 | </sect2>
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| 132 |
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[62066a54] | 133 | <sect2 role="configuration">
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[eecc046] | 134 | <title>Configuring libpwquality</title>
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[62066a54] | 135 |
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| 136 | <para>
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[eecc046] | 137 | <application>libpwquality</application> is intended to be a
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[62066a54] | 138 | functional replacement for the <filename>pam_cracklib.so</filename>
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| 139 | module with additional options. To replace the
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| 140 | <filename>pam_cracklib.so</filename> module with the
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| 141 | <filename>pam_pwquality.so</filename> module, execute the following
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| 142 | commands as the <systemitem class="username">root</systemitem> user:
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| 143 | </para>
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| 144 |
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| 145 | <screen role="root"><userinput>mv /etc/pam.d/system-password{,.orig} &&
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| 146 | cat > /etc/pam.d/system-password << "EOF"
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| 147 | <literal># Begin /etc/pam.d/system-password
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| 148 |
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| 149 | # check new passwords for strength (man pam_pwquality)
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| 150 | password required pam_pwquality.so authtok_type=UNIX retry=1 difok=1 \
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| 151 | minlen=8 dcredit=0 ucredit=0 \
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| 152 | lcredit=0 ocredit=0 minclass=1 \
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| 153 | maxrepeat=0 maxsequence=0 \
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| 154 | maxclassrepeat=0 geoscheck=0 \
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| 155 | dictcheck=1 usercheck=1 \
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| 156 | enforcing=1 badwords="" \
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| 157 | dictpath=/lib/cracklib/pw_dict
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| 158 | # use sha512 hash for encryption, use shadow, and use the
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| 159 | # authentication token (chosen password) set by pam_pwquality
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| 160 | # above (or any previous modules)
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| 161 | password required pam_unix.so sha512 shadow use_authtok
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| 162 |
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| 163 | # End /etc/pam.d/system-password</literal>
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| 164 | EOF
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| 165 | </userinput></screen>
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| 166 |
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| 167 | </sect2>
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| 168 |
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[f97d5f6] | 169 | <sect2 role="content">
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| 170 | <title>Contents</title>
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| 171 |
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| 172 | <segmentedlist>
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| 173 | <segtitle>Installed Programs</segtitle>
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| 174 | <segtitle>Installed Libraries</segtitle>
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| 175 | <segtitle>Installed Directories</segtitle>
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| 176 |
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| 177 | <seglistitem>
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| 178 | <seg>
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| 179 | pwscore and pwmake
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| 180 | </seg>
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| 181 | <seg>
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| 182 | pam_pwquality.so and libpwquality.so
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| 183 | </seg>
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| 184 | <seg>
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[651c7ebf] | 185 | None
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| 186 | <!-- /etc/security was installed by Linux-PAM -->
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[f97d5f6] | 187 | </seg>
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| 188 | </seglistitem>
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| 189 | </segmentedlist>
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[183f254] | 190 |
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[f97d5f6] | 191 | <variablelist>
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| 192 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 193 | <?dbfo list-presentation="list"?>
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| 194 | <?dbhtml list-presentation="table"?>
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| 195 |
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[183f254] | 196 | <varlistentry id="pwmake">
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| 197 | <term><command>pwmake</command></term>
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| 198 | <listitem>
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| 199 | <para>
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| 200 | is a simple configurable tool for generating random
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| 201 | and relatively easily pronounceable passwords.
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| 202 | </para>
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| 203 | <indexterm zone="libpwquality pwmake">
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| 204 | <primary sortas="b-pwmake">pwmake</primary>
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| 205 | </indexterm>
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| 206 | </listitem>
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| 207 | </varlistentry>
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| 208 |
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| 209 | <varlistentry id="pwscore">
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| 210 | <term><command>pwscore</command></term>
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| 211 | <listitem>
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| 212 | <para>
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| 213 | is a simple tool for checking quality of a password.
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| 214 | </para>
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| 215 | <indexterm zone="libpwquality pwscore">
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| 216 | <primary sortas="b-pwscore">pwscore</primary>
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| 217 | </indexterm>
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| 218 | </listitem>
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| 219 | </varlistentry>
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| 220 |
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| 221 | <varlistentry id="libpwquality-lib">
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| 222 | <term><filename class="libraryfile">libpwquality.so</filename></term>
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| 223 | <listitem>
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| 224 | <para>
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| 225 | contains API functions for checking the password quality.
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| 226 | </para>
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| 227 | <indexterm zone="libpwquality libpwquality-lib">
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| 228 | <primary sortas="c-libpwquality">libpwquality.so</primary>
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| 229 | </indexterm>
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| 230 | </listitem>
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| 231 | </varlistentry>
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[f97d5f6] | 232 |
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[183f254] | 233 | <varlistentry id="pam_pwquality">
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| 234 | <term><filename class="libraryfile">pam_pwquality.so</filename></term>
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[f97d5f6] | 235 | <listitem>
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[183f254] | 236 | <para>
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| 237 | is a <application>Linux PAM</application> module used to perform
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| 238 | password quality checking.
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| 239 | </para>
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| 240 | <indexterm zone="libpwquality pam_pwquality">
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| 241 | <primary sortas="c-pam_pwquality">pam_pwquality.so</primary>
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[f97d5f6] | 242 | </indexterm>
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| 243 | </listitem>
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| 244 | </varlistentry>
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| 245 |
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| 246 | </variablelist>
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[183f254] | 247 |
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[f97d5f6] | 248 | </sect2>
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| 249 |
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| 250 | </sect1>
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