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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7 | <!ENTITY vsftpd-download-http "https://security.appspot.com/downloads/vsftpd-&vsftpd-version;.tar.gz">
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8 | <!ENTITY vsftpd-download-ftp " ">
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9 | <!ENTITY vsftpd-md5sum "8b00c749719089401315bd3c44dddbb2">
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10 | <!ENTITY vsftpd-size "196 KB">
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11 | <!ENTITY vsftpd-buildsize "1.8 MB">
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12 | <!ENTITY vsftpd-time "less than 0.1 SBU">
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13 | <!ENTITY vsftpd-empty "/usr/share/vsftpd/empty">
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14 | ]>
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15 |
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16 | <sect1 id="vsftpd" xreflabel="vsftpd-&vsftpd-version;">
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17 | <?dbhtml filename="vsftpd.html"?>
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18 |
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19 | <sect1info>
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20 | <othername>$LastChangedBy$</othername>
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21 | <date>$Date$</date>
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22 | </sect1info>
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23 |
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24 | <title>vsftpd-&vsftpd-version;</title>
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25 |
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26 | <indexterm zone="vsftpd">
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27 | <primary sortas="a-vsftpd">vsftpd</primary>
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28 | </indexterm>
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29 |
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30 | <sect2 role="package">
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31 | <title>Introduction to vsftpd</title>
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32 |
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33 | <para>The <application>vsftpd</application> package contains a very
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34 | secure and very small FTP daemon. This is useful for serving files
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35 | over a network.</para>
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36 |
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37 | &lfs77_checked;
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38 |
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39 | <bridgehead renderas="sect3">Package Information</bridgehead>
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40 | <itemizedlist spacing="compact">
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41 | <listitem>
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42 | <para>Download (HTTP): <ulink url="&vsftpd-download-http;"/></para>
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43 | </listitem>
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44 | <listitem>
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45 | <para>Download (FTP): <ulink url="&vsftpd-download-ftp;"/></para>
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46 | </listitem>
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47 | <listitem>
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48 | <para>Download MD5 sum: &vsftpd-md5sum;</para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>Download size: &vsftpd-size;</para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>Estimated disk space required: &vsftpd-buildsize;</para>
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55 | </listitem>
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56 | <listitem>
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57 | <para>Estimated build time: &vsftpd-time;</para>
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58 | </listitem>
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59 | </itemizedlist>
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60 |
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61 | <bridgehead renderas="sect3">vsftpd Dependencies</bridgehead>
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62 |
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63 | <bridgehead renderas="sect4">Optional</bridgehead>
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64 | <para role="optional">
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65 | <xref linkend="libcap-pam"/>,
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66 | <xref linkend="linux-pam"/>, and
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67 | <xref linkend="openssl"/>
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68 | </para>
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69 |
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70 | <para condition="html" role="usernotes">User Notes:
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71 | <ulink url="&blfs-wiki;/vsftpd"/></para>
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72 |
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73 | </sect2>
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74 |
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75 | <sect2 role="installation">
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76 | <title>Installation of vsftpd</title>
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77 |
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78 | <para>For security reasons, running <application>vsftpd</application>
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79 | as an unprivileged user and group is encouraged. Also, a user should be
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80 | created to map anonymous users. As the <systemitem
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81 | class="username">root</systemitem> user, create the needed directories,
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82 | users, and groups with the following commands:</para>
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83 |
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84 | <screen role="root"><userinput>install -v -d -m 0755 &vsftpd-empty; &&
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85 | install -v -d -m 0755 /home/ftp &&
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86 | groupadd -g 47 vsftpd &&
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87 | groupadd -g 45 ftp &&
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88 |
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89 | useradd -c "vsftpd User" -d /dev/null -g vsftpd -s /bin/false -u 47 vsftpd &&
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90 | useradd -c anonymous_user -d /home/ftp -g ftp -s /bin/false -u 45 ftp</userinput></screen>
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91 |
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92 | <para>If you did not install the optional <application>libcap2</application> package,
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93 | run the following to avoid a build error:</para>
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94 |
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95 | <screen><userinput>sed -i -e 's|#define VSF_SYSDEP_HAVE_LIBCAP|//&|' sysdeputil.c</userinput></screen>
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96 |
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97 | <para>Build <application>vsftpd</application> as an unprivileged user
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98 | using the following command:</para>
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99 |
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100 | <screen><userinput>make</userinput></screen>
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101 |
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102 | <para>This package does not come with a test suite.</para>
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103 |
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104 | <para>Once again, become the <systemitem class="username">root</systemitem>
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105 | user and install <application>vsftpd</application> with the following
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106 | commands:</para>
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107 |
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108 | <screen><userinput>install -v -m 755 vsftpd /usr/sbin/vsftpd &&
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109 | install -v -m 644 vsftpd.8 /usr/share/man/man8 &&
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110 | install -v -m 644 vsftpd.conf.5 /usr/share/man/man5 &&
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111 | install -v -m 644 vsftpd.conf /etc</userinput></screen>
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112 |
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113 | </sect2>
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114 |
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115 | <sect2 role="commands">
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116 | <title>Command Explanations</title>
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117 |
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118 | <para><command>install -v -d ...</command>: This creates the
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119 | directory that anonymous users will use (<filename
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120 | class='directory'>/home/ftp</filename>)
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121 | and the directory the daemon will chroot into
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122 | (<filename class='directory'>&vsftpd-empty;</filename>).</para>
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123 |
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124 | <note>
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125 | <para><filename class="directory">/home/ftp</filename> should not be
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126 | owned by the user <systemitem class="username">vsftpd</systemitem>,
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127 | or the user <systemitem class="username">ftp</systemitem>.</para>
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128 | </note>
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129 |
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130 | <para><command>echo "#define VSF_BUILD_TCPWRAPPERS" >>builddefs.h</command>:
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131 | Use this prior to <command>make</command> to add support for
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132 | <application>tcpwrappers</application>.</para>
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133 |
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134 | <para><command>echo "#define VSF_BUILD_SSL" >>builddefs.h</command>:
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135 | Use this prior to <command>make</command> to add support for SSL.</para>
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136 |
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137 | <para><command>install -v -m ...</command>:
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138 | The <filename>Makefile</filename> uses non-standard installation paths.
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139 | These commands install the files in
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140 | <filename class='directory'>/usr</filename> and
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141 | <filename class='directory'>/etc</filename>.</para>
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142 |
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143 | </sect2>
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144 |
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145 | <sect2 role="configuration">
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146 | <title>Configuring vsftpd</title>
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147 |
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148 | <sect3 id="vsftpd-config">
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149 | <title>Config Files</title>
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150 |
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151 | <para><filename>/etc/vsftpd.conf</filename></para>
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152 |
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153 | <indexterm zone="vsftpd vsftpd-config">
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154 | <primary sortas="e-etc-vsftpd.conf">/etc/vsftpd.conf</primary>
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155 | </indexterm>
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156 |
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157 | </sect3>
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158 |
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159 | <sect3>
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160 | <title>Configuration Information</title>
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161 |
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162 | <para><application>vsftpd</application> comes with a basic
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163 | anonymous-only configuration file that was copied to
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164 | <filename class='directory'>/etc</filename> above. While still as
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165 | <systemitem class="username">root</systemitem>, this file should be
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166 | modified because it is now recommended to run <command>vsftpd</command>
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167 | in standalone mode. <!-- as opposed to
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168 | <command>inetd</command>/<command>xinetd</command> mode. -->Also, you
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169 | should specify the privilege separation user created above. Finally,
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170 | you should specify the <command>chroot</command> directory.
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171 | <command>man vsftpd.conf</command> will give you all the details.</para>
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172 |
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173 | <screen role="root"><userinput>cat >> /etc/vsftpd.conf << "EOF"
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174 | <literal>background=YES
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175 | listen=YES
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176 | nopriv_user=vsftpd
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177 | secure_chroot_dir=&vsftpd-empty;</literal>
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178 | EOF</userinput></screen>
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179 |
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180 | </sect3>
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181 |
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182 | <sect3 id="vsftpd-init">
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183 | <title>Boot Script</title>
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184 |
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185 | <para>Install the <filename>/etc/rc.d/init.d/vsftpd</filename>
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186 | init script included in the
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187 | <xref linkend="bootscripts"/> package.</para>
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188 |
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189 | <screen role="root"><userinput>make install-vsftpd</userinput></screen>
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190 |
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191 | </sect3>
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192 |
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193 | </sect2>
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194 |
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195 | <sect2 role="content">
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196 | <title>Contents</title>
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197 |
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198 | <segmentedlist>
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199 | <segtitle>Installed Program</segtitle>
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200 | <segtitle>Installed Libraries</segtitle>
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201 | <segtitle>Installed Directories</segtitle>
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202 |
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203 | <seglistitem>
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204 | <seg>vsftpd</seg>
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205 | <seg>None</seg>
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206 | <seg>//usr/share/vsftpd, /home/ftp</seg>
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207 | </seglistitem>
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208 | </segmentedlist>
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209 |
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210 | <variablelist>
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211 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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212 | <?dbfo list-presentation="list"?>
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213 | <?dbhtml list-presentation="table"?>
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214 |
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215 | <varlistentry id="vsftpd-prog">
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216 | <term><command>vsftpd</command></term>
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217 | <listitem>
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218 | <para>is the FTP daemon.</para>
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219 | <indexterm zone="vsftpd vsftpd-prog">
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220 | <primary sortas="b-vsftpd">vsftpd</primary>
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221 | </indexterm>
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222 | </listitem>
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223 | </varlistentry>
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224 |
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225 | </variablelist>
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226 |
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227 | </sect2>
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228 |
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229 | </sect1>
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