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 wireshark-download-http "https://www.wireshark.org/download/src/all-versions/wireshark-&wireshark-version;.tar.bz2">
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8 | <!ENTITY wireshark-download-ftp " ">
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9 | <!ENTITY wireshark-md5sum "2f2a16be8b087227cb17733c72288ae4">
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10 | <!ENTITY wireshark-size "28 MB">
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11 | <!ENTITY wireshark-buildsize "875 MB (1.1 GB, with the Qt GUI)">
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12 | <!ENTITY wireshark-time "5.5 SBU (7.5 SBU, with the Qt GUI)">
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13 | ]>
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14 |
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15 | <sect1 id="wireshark" xreflabel="Wireshark-&wireshark-version;">
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16 | <?dbhtml filename="wireshark.html"?>
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17 |
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18 | <sect1info>
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19 | <othername>$LastChangedBy$</othername>
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20 | <date>$Date$</date>
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21 | </sect1info>
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22 |
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23 | <title>Wireshark-&wireshark-version;</title>
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24 |
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25 | <indexterm zone="wireshark">
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26 | <primary sortas="a-Wireshark">Wireshark</primary>
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27 | </indexterm>
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28 |
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29 | <sect2 role="package">
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30 | <title>Introduction to Wireshark</title>
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31 |
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32 | <para>The <application>Wireshark</application> package contains a network
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33 | protocol analyzer, also known as a <quote>sniffer</quote>. This is useful
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34 | for analyzing data captured <quote>off the wire</quote> from a live network
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35 | connection, or data read from a capture file.
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36 | <application>Wireshark</application> provides both a graphical and a TTY-mode
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37 | front-end for examining captured network packets from over 500 protocols,
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38 | as well as the capability to read capture files from many other popular
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39 | network analyzers.</para>
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40 |
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41 | &lfs76_checked;
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42 |
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43 | <bridgehead renderas="sect3">Package Information</bridgehead>
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44 | <itemizedlist spacing="compact">
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45 | <listitem>
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46 | <para>Download (HTTP): <ulink url="&wireshark-download-http;"/></para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>Download (FTP): <ulink url="&wireshark-download-ftp;"/></para>
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50 | </listitem>
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51 | <listitem>
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52 | <para>Download MD5 sum: &wireshark-md5sum;</para>
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53 | </listitem>
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54 | <listitem>
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55 | <para>Download size: &wireshark-size;</para>
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56 | </listitem>
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57 | <listitem>
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58 | <para>Estimated disk space required: &wireshark-buildsize;</para>
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59 | </listitem>
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60 | <listitem>
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61 | <para>Estimated build time: &wireshark-time;</para>
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62 | </listitem>
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63 | </itemizedlist>
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64 |
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65 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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66 | <itemizedlist spacing="compact">
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67 | <listitem>
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68 | <para>Additional Documentation:
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69 | <ulink url="https://www.wireshark.org/download/docs/"/>
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70 | </para>
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71 | </listitem>
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72 | </itemizedlist>
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73 |
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74 | <para>From this page you can download many different docs in a variety
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75 | of formats.</para>
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76 |
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77 | <bridgehead renderas="sect3">Wireshark dependencies</bridgehead>
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78 |
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79 | <bridgehead renderas="sect4">Required</bridgehead>
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80 | <para role="required">
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81 | <xref linkend="glib2"/> (to build the TTY-mode front-end only)
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82 | </para>
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83 |
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84 | <para>Note that you need <application>Gtk+</application> or
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85 | <application>Qt4</application> installed, otherwise, pass
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86 | <option>--disable-wireshark</option> to the
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87 | <command>configure</command> command. SBU and disk space required are larger
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88 | for the Qt GUI.</para>
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89 |
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90 | <bridgehead renderas="sect4">Recommended</bridgehead>
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91 | <para role="recommended">
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92 | <xref linkend="gtk3"/> (to build the <application>Gtk+3</application>
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93 | GUI) and
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94 | <xref linkend="libpcap"/> (required to capture data)
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95 | </para>
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96 |
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97 | <bridgehead renderas="sect4">Optional</bridgehead>
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98 | <para role="optional">
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99 | <xref linkend="gnutls"/>,
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100 | <xref linkend="libgcrypt"/>,
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101 | <xref linkend="lua"/>,
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102 | <xref linkend="mitkrb"/>,
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103 | <xref linkend="openssl"/>,
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104 | <ulink url="http://www.gnu.org/software/adns/adns.html">adns</ulink>,
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105 | <ulink url="http://www.maxmind.com/app/c">GeoIP</ulink>, and
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106 | <ulink url="http://www.portaudio.com/download.html">PortAudio</ulink>
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107 | </para>
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108 |
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109 | <bridgehead renderas="sect4">Optional (to build the GUI front-end)</bridgehead>
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110 | <para role="optional">
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111 | <xref linkend="gtk2"/>,
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112 | <xref linkend="qt4"/>, or
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113 | <xref linkend="qt5"/>
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114 | </para>
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115 |
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116 | <para condition="html" role="usernotes">User Notes:
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117 | <ulink url="&blfs-wiki;/wireshark"/></para>
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118 |
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119 | </sect2>
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120 |
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121 | <sect2 role="kernel" id="wireshark-kernel">
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122 | <title>Kernel Configuration</title>
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123 |
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124 | <para>The kernel must have the Packet protocol enabled for
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125 | <application>Wireshark</application> to capture live packets from the
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126 | network.</para>
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127 |
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128 | <screen><literal>Networking support: Y
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129 | Networking options:
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130 | Packet: sockets monitoring interface: M or Y</literal></screen>
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131 |
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132 | <para>If built as a module, the name is
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133 | <filename>af_packet.ko</filename>.</para>
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134 |
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135 | <indexterm zone="wireshark wireshark-kernel">
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136 | <primary sortas="d-Capturing-network-packets">Capturing network
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137 | packets</primary>
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138 | </indexterm>
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139 |
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140 | </sect2>
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141 |
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142 | <sect2 role="installation">
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143 | <title>Installation of Wireshark</title>
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144 |
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145 | <para>Optionally, fix the description of the program in the title.
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146 | The first change overwrites the default "SVN Unknown" in the title
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147 | and the second overwrites a utility script that resets the version
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148 | to "unknown".</para>
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149 |
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150 | <screen><userinput>cat > svnversion.h << "EOF"
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151 | #define SVNVERSION "BLFS"
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152 | #define SVNPATH "source"
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153 | EOF
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154 |
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155 | cat > make-version.pl << "EOF"
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156 | #!/usr/bin/perl
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157 | EOF</userinput></screen>
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158 |
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159 | <para><application>Wireshark</application> is a very large and complex
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160 | application. These instructions provide additional security measures to
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161 | ensure that only trusted users are allowed to view network traffic. First,
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162 | set up a system group for wireshark. As the <systemitem
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163 | class="username">root</systemitem> user:</para>
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164 |
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165 | <screen role="root"><userinput>groupadd -g 62 wireshark</userinput></screen>
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166 |
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167 | <para>If you want an unpriviledged user to execute
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168 | <application>wireshark</application>, run the following command as the
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169 | <systemitem class="username">root</systemitem> user:</para>
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170 |
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171 | <screen><userinput>usermod -a -G wireshark <replaceable><username></replaceable></userinput></screen>
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172 |
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173 | <para>If you have <application>GTK+2</application> and 3, and
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174 | <application>Qt4</application> and 5, one GUI linked to
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175 | <application>GTK+3</application> and another one linked to
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176 | <application>Qt5</application> are built, by default. Instead, we chose to
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177 | only build the <application>GTK+3</application> GUI, as the BLFS default.
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178 | If you prefer otherwise, some modifications are mecessary. For
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179 | modifications in the <command>configure</command> switches, see
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180 | "Command Explanations".</para>
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181 |
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182 | <para>If you want to build a Qt GUI and have both
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183 | <application>Qt4</application> and 5 installed, issue either:</para>
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184 |
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185 | <screen><userinput>source setqt5</userinput></screen>
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186 |
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187 | <para>if you want the <application>Qt5</application> GUI built, or:</para>
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188 |
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189 | <screen><userinput>source setqt4 &&
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190 | sed -i 's/Qt5 Qt/Qt/' configure</userinput></screen>
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191 |
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192 | <para>if you want the <application>Qt4</application> GUI built.</para>
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193 |
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194 | <para>Continue to install <application>Wireshark</application> by running
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195 | the following commands:</para>
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196 |
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197 | <screen><userinput>./configure --prefix=/usr \
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198 | --with-gtk3=yes \
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199 | --with-qt=no \
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200 | --sysconfdir=/etc &&
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201 | make</userinput></screen>
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202 |
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203 | <para>This package does not come with a test suite.</para>
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204 |
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205 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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206 |
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207 | <screen role="root"><userinput>make install &&
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208 |
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209 | install -v -m755 -d /usr/share/doc/wireshark-&wireshark-version; &&
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210 | install -v -m755 -d /usr/share/pixmaps/wireshark &&
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211 |
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212 | install -v -m644 README{,.linux} doc/README.* doc/*.{pod,txt} \
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213 | /usr/share/doc/wireshark-&wireshark-version; &&
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214 |
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215 | pushd /usr/share/doc/wireshark-&wireshark-version; &&
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216 | for FILENAME in ../../wireshark/*.html; do
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217 | ln -s -v -f $FILENAME .
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218 | done &&
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219 | popd &&
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220 |
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221 | install -v -m644 -D wireshark.desktop \
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222 | /usr/share/applications/wireshark.desktop &&
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223 |
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224 | install -v -m644 -D image/wsicon48.png \
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225 | /usr/share/pixmaps/wireshark.png &&
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226 |
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227 | install -v -m644 image/*.{png,ico,xpm,bmp} \
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228 | /usr/share/pixmaps/wireshark</userinput></screen>
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229 |
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230 | <para>If you downloaded any of the documentation files from the page
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231 | listed in the 'Additional Downloads', install them by issuing the following
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232 | commands as the <systemitem class="username">root</systemitem> user:</para>
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233 |
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234 | <screen role="root"><userinput>install -v -m644 <replaceable><Downloaded_Files></replaceable> /usr/share/doc/wireshark-&wireshark-version;</userinput></screen>
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235 |
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236 | <para>Now, set ownership and permissions of sensitive applications to
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237 | only allow authorized users. As the <systemitem
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238 | class="username">root</systemitem> user:</para>
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239 |
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240 | <screen role="root"><userinput>chown -v root:wireshark /usr/bin/{tshark,dumpcap} &&
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241 | chmod -v 6550 /usr/bin/{tshark,dumpcap}</userinput></screen>
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242 |
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243 | <para>Finally, add any users to the wireshark group (as root user):</para>
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244 |
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245 | <screen role="root"><userinput>usermod -a -G wireshark <username></userinput></screen>
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246 |
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247 | </sect2>
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248 |
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249 | <sect2 role="commands">
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250 | <title>Command Explanations</title>
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251 |
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252 | <para><command>sed -i 's/Qt5 Qt/Qt/' ...</command>: This command is required
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253 | because, without it, libraries and includes from
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254 | <application>Qt5</application> are found and used first, if both versions
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255 | are installed, when trying to build with <application>Qt4</application>,
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256 | and <command>make</command> does not complete.</para>
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257 |
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258 | <para><option>--disable-wireshark</option>: This option is required if you
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259 | have <application>GTK+</application> installed but do not want to build
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260 | the GTK+ and Qt GUIs.</para>
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261 |
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262 | <para><parameter>--with-gtk3=yes</parameter>: This switch is required
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263 | to use <application>GTK+3</application> for the GUI, if you are using
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264 | <parameter>--with-qt=no</parameter>. Change gtk3 by gtk2,to use
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265 | <application>GTK+3</application> for the GUI.</para>
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266 |
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267 | <para><parameter>--with-qt=no</parameter>: This switch disables build of
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268 | the Qt GUI. Replace "no" by "yes", if you want it to be built.</para>
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269 |
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270 | <para><option>--with-gtk2=yes</option>: This option is required if you want
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271 | to use <application>GTK+</application>2, instead of 3, for the GUI. Notice
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272 | that the GUI for only one GTK+ version (either 2 or 3) can be built.</para>
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273 |
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274 | </sect2>
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275 |
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276 | <sect2 role="configuration">
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277 | <title>Configuring Wireshark</title>
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278 |
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279 | <sect3 id="wireshark-config">
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280 | <title>Config Files</title>
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281 |
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282 | <para><filename>/etc/wireshark.conf</filename> and
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283 | <filename>~/.wireshark/*</filename></para>
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284 |
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285 | <indexterm zone="wireshark wireshark-config">
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286 | <primary sortas="e-AA.wireshark-star">~/.wireshark/*</primary>
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287 | </indexterm>
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288 |
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289 | <indexterm zone="wireshark wireshark-config">
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290 | <primary sortas="e-etc-wireshark.conf">/etc/wireshark.conf</primary>
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291 | </indexterm>
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292 |
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293 | </sect3>
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294 |
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295 | <sect3>
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296 | <title>Configuration Information</title>
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297 |
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298 | <para>Though the default configuration parameters are very sane,
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299 | reference the configuration section of the
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300 | <ulink url="http://www.wireshark.org/docs/wsug_html/">Wireshark User's
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301 | Guide</ulink> for configuration information. Most of
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302 | <application>Wireshark</application>'s configuration can be accomplished
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303 | using the menu options of the <command>wireshark</command>
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304 | graphical interfaces.</para>
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305 |
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306 | </sect3>
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307 |
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308 | <sect3>
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309 | <title>Desktop file for the Qt GUI</title>
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310 |
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311 | <para>If Qt GUI was built and you wish an entry in the desktop menu,
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312 | there are two possibilities (instructions must be run as root).</para>
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313 |
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314 | <para>If only the Qt GUI was built:</para>
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315 |
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316 | <screen role="root"><userinput>mv -v /usr/share/applications/wireshark.desktop \
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317 | /usr/share/applications/wireshark-qt.desktop</userinput></screen>
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318 |
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319 | <para>If both, GTK+ and Qt GUIs were built:</para>
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320 |
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321 | <screen role="root"><userinput>cp -v /usr/share/applications/wireshark.desktop \
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322 | /usr/share/applications/wireshark-qt.desktop</userinput></screen>
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323 |
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324 | <para>Now, fix it for <command>wireshark-qt</command>:</para>
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325 |
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326 | <screen role="root"><userinput>sed -e 's/ireshark/&-qt/' \
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327 | -e 's/^\(Icon=wireshark\)-qt/\1/' \
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328 | -i /usr/share/applications/wireshark-qt.desktop</userinput></screen>
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329 |
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330 | <note>
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331 | <para>If you want to look at packets, make sure you don't filter
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332 | them out with <xref linkend="iptables"/>. If you want to exclude
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333 | certain classes of packets, it is more efficient to do it with
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334 | <application>iptables</application> than it is with
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335 | <application>Wireshark</application>.</para>
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336 | </note>
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337 |
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338 | </sect3>
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339 |
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340 | </sect2>
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341 |
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342 | <sect2 role="content">
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343 | <title>Contents</title>
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344 |
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345 | <segmentedlist>
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346 | <segtitle>Installed Programs</segtitle>
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347 | <segtitle>Installed Libraries</segtitle>
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348 | <segtitle>Installed Directories</segtitle>
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349 |
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350 | <seglistitem>
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351 | <seg>capinfos, captype, dftest, dumpcap, editcap, mergecap, randpkt,
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352 | rawshark, reordercap, text2pcap, tshark,
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353 | wireshark and wireshark-qt</seg>
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354 | <seg>libfiletap.so, libwireshark.so, libwiretap.so, libwsutil.so, and
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355 | numerous modules under /usr/lib/wireshark/plugins</seg>
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356 | <seg>/usr/lib/wireshark, /usr/share/doc/wireshark-&wireshark-version;,
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357 | /usr/share/pixmaps/wireshark, and /usr/share/wireshark</seg>
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358 | </seglistitem>
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359 | </segmentedlist>
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360 |
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361 | <variablelist>
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362 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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363 | <?dbfo list-presentation="list"?>
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364 | <?dbhtml list-presentation="table"?>
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365 |
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366 | <varlistentry id="capinfos">
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367 | <term><command>capinfos</command></term>
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368 | <listitem>
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369 | <para>reads a saved capture file and returns any or all of several
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370 | statistics about that file. It is able to detect and read any capture
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371 | supported by the <application>Wireshark</application> package.</para>
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372 | <indexterm zone="wireshark capinfos">
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373 | <primary sortas="b-capinfos">capinfos</primary>
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374 | </indexterm>
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375 | </listitem>
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376 | </varlistentry>
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377 |
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378 | <varlistentry id="captype">
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379 | <term><command>captype</command></term>
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380 | <listitem>
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381 | <para>prints the file types of capture files.</para>
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382 | <indexterm zone="wireshark captype">
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383 | <primary sortas="b-captype">captype</primary>
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384 | </indexterm>
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385 | </listitem>
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386 | </varlistentry>
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387 |
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388 | <varlistentry id="dftest">
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389 | <term><command>dftest</command></term>
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390 | <listitem>
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391 | <para>is a display-filter-compiler test program.</para>
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392 | <indexterm zone="wireshark dftest">
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393 | <primary sortas="b-dftest">dftest</primary>
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394 | </indexterm>
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395 | </listitem>
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396 | </varlistentry>
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397 |
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398 | <varlistentry id="dumpcap">
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399 | <term><command>dumpcap</command></term>
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400 | <listitem>
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401 | <para>is a network traffic dump tool. It lets you capture packet data
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402 | from a live network and write the packets to a file.</para>
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403 | <indexterm zone="wireshark dumpcap">
|
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404 | <primary sortas="b-dumpcap">dumpcap</primary>
|
---|
405 | </indexterm>
|
---|
406 | </listitem>
|
---|
407 | </varlistentry>
|
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408 |
|
---|
409 | <varlistentry id="editcap">
|
---|
410 | <term><command>editcap</command></term>
|
---|
411 | <listitem>
|
---|
412 | <para>edits and/or translates the format of capture files. It knows
|
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413 | how to read <application>libpcap</application> capture files,
|
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414 | including those of <command>tcpdump</command>,
|
---|
415 | <application>Wireshark</application> and other tools that write
|
---|
416 | captures in that format.</para>
|
---|
417 | <indexterm zone="wireshark editcap">
|
---|
418 | <primary sortas="b-editcap">editcap</primary>
|
---|
419 | </indexterm>
|
---|
420 | </listitem>
|
---|
421 | </varlistentry>
|
---|
422 |
|
---|
423 | <varlistentry id="mergecap">
|
---|
424 | <term><command>mergecap</command></term>
|
---|
425 | <listitem>
|
---|
426 | <para>combines multiple saved capture files into a single output
|
---|
427 | file.</para>
|
---|
428 | <indexterm zone="wireshark mergecap">
|
---|
429 | <primary sortas="b-mergecap">mergecap</primary>
|
---|
430 | </indexterm>
|
---|
431 | </listitem>
|
---|
432 | </varlistentry>
|
---|
433 |
|
---|
434 | <varlistentry id="randpkt">
|
---|
435 | <term><command>randpkt</command></term>
|
---|
436 | <listitem>
|
---|
437 | <para>creates random-packet capture files.</para>
|
---|
438 | <indexterm zone="wireshark randpkt">
|
---|
439 | <primary sortas="b-randpkt">randpkt</primary>
|
---|
440 | </indexterm>
|
---|
441 | </listitem>
|
---|
442 | </varlistentry>
|
---|
443 |
|
---|
444 | <varlistentry id="rawshark">
|
---|
445 | <term><command>rawshark</command></term>
|
---|
446 | <listitem>
|
---|
447 | <para>dump and analyze raw libpcap data.</para>
|
---|
448 | <indexterm zone="wireshark rawshark">
|
---|
449 | <primary sortas="b-rawshark">rawshark</primary>
|
---|
450 | </indexterm>
|
---|
451 | </listitem>
|
---|
452 | </varlistentry>
|
---|
453 |
|
---|
454 | <varlistentry id="reordercap">
|
---|
455 | <term><command>reordercap</command></term>
|
---|
456 | <listitem>
|
---|
457 | <para>reorder timestamps of input file frames into output file.</para>
|
---|
458 | <indexterm zone="wireshark reordercap">
|
---|
459 | <primary sortas="b-reordercap">reordercap</primary>
|
---|
460 | </indexterm>
|
---|
461 | </listitem>
|
---|
462 | </varlistentry>
|
---|
463 |
|
---|
464 | <varlistentry id="text2pcap">
|
---|
465 | <term><command>text2pcap</command></term>
|
---|
466 | <listitem>
|
---|
467 | <para>reads in an ASCII hex dump and writes the
|
---|
468 | data described into a <application>libpcap</application>-style
|
---|
469 | capture file.</para>
|
---|
470 | <indexterm zone="wireshark text2pcap">
|
---|
471 | <primary sortas="b-text2pcap">text2pcap</primary>
|
---|
472 | </indexterm>
|
---|
473 | </listitem>
|
---|
474 | </varlistentry>
|
---|
475 |
|
---|
476 | <varlistentry id="tshark">
|
---|
477 | <term><command>tshark</command></term>
|
---|
478 | <listitem>
|
---|
479 | <para>is a TTY-mode network protocol analyzer. It lets you capture
|
---|
480 | packet data from a live network or read packets from a
|
---|
481 | previously saved capture file.</para>
|
---|
482 | <indexterm zone="wireshark tshark">
|
---|
483 | <primary sortas="b-tshark">tshark</primary>
|
---|
484 | </indexterm>
|
---|
485 | </listitem>
|
---|
486 | </varlistentry>
|
---|
487 |
|
---|
488 | <varlistentry id="wireshark-prog">
|
---|
489 | <term><command>wireshark</command></term>
|
---|
490 | <listitem>
|
---|
491 | <para>is the GTK+ GUI network protocol analyzer. It lets you
|
---|
492 | interactively browse packet data from a live network or from a
|
---|
493 | previously saved capture file.</para>
|
---|
494 | <indexterm zone="wireshark wireshark-prog">
|
---|
495 | <primary sortas="b-wireshark">wireshark</primary>
|
---|
496 | </indexterm>
|
---|
497 | </listitem>
|
---|
498 | </varlistentry>
|
---|
499 |
|
---|
500 | <varlistentry id="wireshark-qt-prog">
|
---|
501 | <term><command>wireshark-qt</command></term>
|
---|
502 | <listitem>
|
---|
503 | <para>is the Qt GUI network protocol analyzer. It lets you
|
---|
504 | interactively browse packet data from a live network or from a
|
---|
505 | previously saved capture file.</para>
|
---|
506 | <indexterm zone="wireshark wireshark-qt-prog">
|
---|
507 | <primary sortas="b-wireshark-qt">wireshark-qt</primary>
|
---|
508 | </indexterm>
|
---|
509 | </listitem>
|
---|
510 | </varlistentry>
|
---|
511 |
|
---|
512 | <varlistentry id="libwireshark">
|
---|
513 | <term><filename class='libraryfile'>libwireshark.so</filename></term>
|
---|
514 | <listitem>
|
---|
515 | <para>contains functions used by the
|
---|
516 | <application>Wireshark</application> programs to perform filtering and
|
---|
517 | packet capturing.</para>
|
---|
518 | <indexterm zone="wireshark libwireshark">
|
---|
519 | <primary sortas="c-libwireshark">libwireshark.so</primary>
|
---|
520 | </indexterm>
|
---|
521 | </listitem>
|
---|
522 | </varlistentry>
|
---|
523 |
|
---|
524 | <varlistentry id="libwiretap">
|
---|
525 | <term><filename class='libraryfile'>libwiretap.so</filename></term>
|
---|
526 | <listitem>
|
---|
527 | <para>is a library being developed as a future replacement for
|
---|
528 | <filename class='libraryfile'>libpcap</filename>, the current
|
---|
529 | standard Unix library for packet capturing. For more information,
|
---|
530 | see the <filename>README</filename> file in the source
|
---|
531 | <filename class='directory'>wiretap</filename> directory.</para>
|
---|
532 | <indexterm zone="wireshark libwiretap">
|
---|
533 | <primary sortas="c-libwiretap">libwiretap.so</primary>
|
---|
534 | </indexterm>
|
---|
535 | </listitem>
|
---|
536 | </varlistentry>
|
---|
537 |
|
---|
538 | </variablelist>
|
---|
539 |
|
---|
540 | </sect2>
|
---|
541 |
|
---|
542 | </sect1>
|
---|