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 "http://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 "a66894a62f05e1e7a3156a807f3296ea">
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10 | <!ENTITY wireshark-size "26 MB">
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11 | <!ENTITY wireshark-buildsize "926 MB">
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12 | <!ENTITY wireshark-time "5.2 SBU">
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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 | &lfs75_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="http://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, you will need to pass
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86 | <option>--disable-wireshark</option> to the
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87 | <command>configure</command> command.</para>
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88 |
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89 | <bridgehead renderas="sect4">Recommended</bridgehead>
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90 | <para role="recommended">
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91 | <xref linkend="libpcap"/> (required to capture data)
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92 | </para>
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93 |
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94 | <bridgehead renderas="sect4">Optional</bridgehead>
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95 | <para role="optional">
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96 | <ulink url="http://www.gnu.org/software/adns/adns.html">adns</ulink>,
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97 | <ulink url="http://www.maxmind.com/app/c">GeoIP</ulink>,
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98 | <xref linkend="gnutls"/>,
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99 | <xref linkend="libgcrypt"/>,
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100 | <xref linkend="lua"/>,
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101 | <xref linkend="mitkrb"/>,
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102 | <xref linkend="openssl"/>, and
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103 | <ulink url="http://www.portaudio.com/download.html">PortAudio</ulink>
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104 | </para>
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105 |
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106 | <bridgehead renderas="sect4">Optional (to build the GUI front-end)</bridgehead>
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107 | <para role="optional">
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108 | <xref linkend="gtk2"/>,
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109 | <xref linkend="gtk3"/>, or
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110 | <xref linkend="qt4"/>
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111 | </para>
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112 |
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113 | <para condition="html" role="usernotes">User Notes:
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114 | <ulink url="&blfs-wiki;/wireshark"/></para>
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115 |
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116 | </sect2>
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117 |
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118 | <sect2 role="kernel" id="wireshark-kernel">
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119 | <title>Kernel Configuration</title>
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120 |
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121 | <para>The kernel must have the Packet protocol enabled for
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122 | <application>Wireshark</application> to capture live packets from the
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123 | network.</para>
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124 |
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125 | <screen><literal>Networking support: Y
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126 | Networking options:
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127 | Packet: sockets monitoring interface: M or Y</literal></screen>
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128 |
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129 | <para>If built as a module, the name is
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130 | <filename>af_packet.ko</filename>.</para>
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131 |
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132 | <indexterm zone="wireshark wireshark-kernel">
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133 | <primary sortas="d-Capturing-network-packets">Capturing network
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134 | packets</primary>
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135 | </indexterm>
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136 |
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137 | </sect2>
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138 |
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139 | <sect2 role="installation">
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140 | <title>Installation of Wireshark</title>
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141 |
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142 | <para>Optionally, fix the description of the program in the title.
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143 | The first change overwrites the default "SVN Unknown" in the title
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144 | and the secong overwrites a utility script that resets the version
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145 | to "unknown".</para>
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146 |
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147 | <screen><userinput>cat > svnversion.h << "EOF"
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148 | #define SVNVERSION "BLFS"
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149 | #define SVNPATH "source"
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150 | EOF
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151 |
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152 | cat > make-version.pl << "EOF"
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153 | #!/usr/bin/perl
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154 | EOF</userinput></screen>
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155 |
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156 | <para><application>Wireshark</application> is a very large and complex
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157 | application. These instructions provide additional security measures to
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158 | ensure that only trusted users are allowed to view network traffic. First,
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159 | set up a system group for wireshark. As the <systemitem
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160 | class="username">root</systemitem> user:</para>
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161 |
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162 | <screen role="root"><userinput>groupadd -g 62 wireshark</userinput></screen>
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163 |
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164 | <para>Continue to install <application>Wireshark</application> by running
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165 | the following commands:</para>
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166 |
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167 | <screen><userinput>./configure --prefix=/usr --sysconfdir=/etc &&
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168 | make</userinput></screen>
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169 |
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170 | <para>This package does not come with a test suite.</para>
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171 |
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172 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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173 |
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174 | <screen role="root"><userinput>make install &&
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175 |
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176 | install -v -m755 -d /usr/share/doc/wireshark-&wireshark-version; &&
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177 | install -v -m755 -d /usr/share/pixmaps/wireshark &&
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178 |
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179 | install -v -m644 README{,.linux} doc/README.* doc/*.{pod,txt} \
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180 | /usr/share/doc/wireshark-&wireshark-version; &&
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181 |
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182 | pushd /usr/share/doc/wireshark-&wireshark-version; &&
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183 | for FILENAME in ../../wireshark/*.html; do
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184 | ln -s -v -f $FILENAME .
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185 | done &&
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186 | popd &&
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187 |
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188 | install -v -m644 -D wireshark.desktop \
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189 | /usr/share/applications/wireshark.desktop &&
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190 |
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191 | install -v -m644 -D image/wsicon48.png \
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192 | /usr/share/pixmaps/wireshark.png &&
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193 |
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194 | install -v -m644 image/*.{png,ico,xpm,bmp} \
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195 | /usr/share/pixmaps/wireshark</userinput></screen>
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196 |
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197 | <para>If you downloaded any of the documentation files from the page
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198 | listed in the 'Additional Downloads', install them by issuing the following
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199 | commands as the <systemitem class="username">root</systemitem> user:</para>
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200 |
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201 | <screen role="root"><userinput>install -v -m644 <replaceable><Downloaded_Files></replaceable> /usr/share/doc/wireshark-&wireshark-version;</userinput></screen>
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202 |
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203 | <para>Now, set ownership and permissions of sensitive applications to
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204 | only allow authorized users. As the <systemitem
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205 | class="username">root</systemitem> user:</para>
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206 |
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207 | <screen role="root"><userinput>chown -v root:wireshark /usr/bin/{tshark,dumpcap} &&
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208 | chmod -v 6550 /usr/bin/{tshark,dumpcap}</userinput></screen>
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209 |
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210 | <para>Finally, add any users to the wireshark group with <userinput>usermod -a -G
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211 | wireshark <username></userinput>.</para>
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212 |
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213 | </sect2>
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214 |
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215 | <sect2 role="commands">
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216 | <title>Command Explanations</title>
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217 |
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218 | <para><parameter>--enable-threads</parameter>: This parameter enables the
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219 | use of threads in <command>wireshark</command>.</para>
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220 |
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221 | <para><option>--disable-wireshark</option>: This option is required if you
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222 | have <application>GTK+</application> installed but do not want to build
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223 | the GUI.</para>
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224 |
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225 | <para><option>--with-gtk3=yes</option>: This option is required if you want
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226 | to use <application>GTK+</application>3 instead of 2, for the GUI.</para>
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227 |
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228 | <para><option>--with-qt=yes</option>: This option is required if you want to
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229 | use <application>Qt</application> instead of
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230 | <application>GTK+</application>, for the GUI.</para>
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231 |
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232 | <para><option>--with-ssl</option>: This option is required if you
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233 | are linking Kerberos libraries into the build so that the
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234 | <application>OpenSSL</application>
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235 | <filename class='libraryfile'>libcrypto</filename> library is found.</para>
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236 |
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237 | </sect2>
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238 |
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239 | <sect2 role="configuration">
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240 | <title>Configuring Wireshark</title>
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241 |
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242 | <sect3 id="wireshark-config">
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243 | <title>Config Files</title>
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244 |
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245 | <para><filename>/etc/wireshark.conf</filename> and
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246 | <filename>~/.wireshark/*</filename></para>
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247 |
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248 | <indexterm zone="wireshark wireshark-config">
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249 | <primary sortas="e-AA.wireshark-star">~/.wireshark/*</primary>
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250 | </indexterm>
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251 |
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252 | <indexterm zone="wireshark wireshark-config">
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253 | <primary sortas="e-etc-wireshark.conf">/etc/wireshark.conf</primary>
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254 | </indexterm>
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255 |
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256 | </sect3>
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257 |
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258 | <sect3>
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259 | <title>Configuration Information</title>
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260 |
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261 | <para>Though the default configuration parameters are very sane,
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262 | reference the configuration section of the
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263 | <ulink url="http://www.wireshark.org/docs/wsug_html/">Wireshark User's
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264 | Guide</ulink> for configuration information. Most of
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265 | <application>Wireshark</application>'s configuration can be accomplished
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266 | using the menu options of the <command>wireshark</command>
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267 | graphical interface.</para>
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268 |
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269 | <note>
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270 | <para>If you want to look at packets, make sure you don't filter
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271 | them out with <xref linkend="iptables"/>. If you want to exclude
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272 | certain classes of packets, it is more efficient to do it with
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273 | <application>iptables</application> than it is with
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274 | <application>Wireshark</application>.</para>
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275 | </note>
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276 |
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277 | </sect3>
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278 |
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279 | </sect2>
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280 |
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281 | <sect2 role="content">
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282 | <title>Contents</title>
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283 |
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284 | <segmentedlist>
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285 | <segtitle>Installed Programs</segtitle>
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286 | <segtitle>Installed Libraries</segtitle>
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287 | <segtitle>Installed Directories</segtitle>
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288 |
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289 | <seglistitem>
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290 | <seg>capinfos, dftest, dumpcap, editcap, mergecap, randpkt, rawshark,
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291 | reordercap, text2pcap, tshark, and wireshark</seg>
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292 | <seg>libwireshark.so, libwiretap.so, libwsutil.so, and
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293 | numerous plugin modules under /usr/lib/wireshark/plugins</seg>
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294 | <seg>/usr/lib/wireshark, /usr/share/doc/wireshark-&wireshark-version;,
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295 | /usr/share/pixmaps/wireshark, and /usr/share/wireshark</seg>
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296 | </seglistitem>
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297 | </segmentedlist>
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298 |
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299 | <variablelist>
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300 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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301 | <?dbfo list-presentation="list"?>
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302 | <?dbhtml list-presentation="table"?>
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303 |
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304 | <varlistentry id="capinfos">
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305 | <term><command>capinfos</command></term>
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306 | <listitem>
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307 | <para>reads a saved capture file and returns any or all of several
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308 | statistics about that file. It is able to detect and read any capture
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309 | supported by the <application>Wireshark</application> package.</para>
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310 | <indexterm zone="wireshark capinfos">
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311 | <primary sortas="b-capinfos">capinfos</primary>
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312 | </indexterm>
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313 | </listitem>
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314 | </varlistentry>
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315 |
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316 | <varlistentry id="dftest">
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317 | <term><command>dftest</command></term>
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318 | <listitem>
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319 | <para>is a display-filter-compiler test program.</para>
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320 | <indexterm zone="wireshark dftest">
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321 | <primary sortas="b-dftest">dftest</primary>
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322 | </indexterm>
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323 | </listitem>
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324 | </varlistentry>
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325 |
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326 | <varlistentry id="dumpcap">
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327 | <term><command>dumpcap</command></term>
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328 | <listitem>
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329 | <para>is a network traffic dump tool. It lets you capture packet data
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330 | from a live network and write the packets to a file.</para>
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331 | <indexterm zone="wireshark dumpcap">
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332 | <primary sortas="b-dumpcap">dumpcap</primary>
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333 | </indexterm>
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334 | </listitem>
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335 | </varlistentry>
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336 |
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337 | <varlistentry id="editcap">
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338 | <term><command>editcap</command></term>
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339 | <listitem>
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340 | <para>edits and/or translates the format of capture files. It knows
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341 | how to read <application>libpcap</application> capture files,
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342 | including those of <command>tcpdump</command>,
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343 | <application>Wireshark</application> and other tools that write
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344 | captures in that format.</para>
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345 | <indexterm zone="wireshark editcap">
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346 | <primary sortas="b-editcap">editcap</primary>
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347 | </indexterm>
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348 | </listitem>
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349 | </varlistentry>
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350 |
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351 | <varlistentry id="mergecap">
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352 | <term><command>mergecap</command></term>
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353 | <listitem>
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354 | <para>combines multiple saved capture files into a single output
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355 | file.</para>
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356 | <indexterm zone="wireshark mergecap">
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357 | <primary sortas="b-mergecap">mergecap</primary>
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358 | </indexterm>
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359 | </listitem>
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360 | </varlistentry>
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361 |
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362 | <varlistentry id="randpkt">
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363 | <term><command>randpkt</command></term>
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364 | <listitem>
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365 | <para>creates random-packet capture files.</para>
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366 | <indexterm zone="wireshark randpkt">
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367 | <primary sortas="b-randpkt">randpkt</primary>
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368 | </indexterm>
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369 | </listitem>
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370 | </varlistentry>
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371 |
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372 | <varlistentry id="rawshark">
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373 | <term><command>rawshark</command></term>
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374 | <listitem>
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375 | <para>dump and analyze raw libpcap data.</para>
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376 | <indexterm zone="wireshark rawshark">
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377 | <primary sortas="b-rawshark">rawshark</primary>
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378 | </indexterm>
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379 | </listitem>
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380 | </varlistentry>
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381 |
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382 | <varlistentry id="reordercap">
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383 | <term><command>reordercap</command></term>
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384 | <listitem>
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385 | <para>reorder timestamps of input file frames into output file.</para>
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386 | <indexterm zone="wireshark reordercap">
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387 | <primary sortas="b-reordercap">reordercap</primary>
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388 | </indexterm>
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389 | </listitem>
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390 | </varlistentry>
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391 |
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392 | <varlistentry id="text2pcap">
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393 | <term><command>text2pcap</command></term>
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394 | <listitem>
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395 | <para>reads in an ASCII hex dump and writes the
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396 | data described into a <application>libpcap</application>-style
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397 | capture file.</para>
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398 | <indexterm zone="wireshark text2pcap">
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399 | <primary sortas="b-text2pcap">text2pcap</primary>
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400 | </indexterm>
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401 | </listitem>
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402 | </varlistentry>
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403 |
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404 | <varlistentry id="tshark">
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405 | <term><command>tshark</command></term>
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406 | <listitem>
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407 | <para>is a TTY-mode network protocol analyzer. It lets you capture
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408 | packet data from a live network or read packets from a
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409 | previously saved capture file.</para>
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410 | <indexterm zone="wireshark tshark">
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411 | <primary sortas="b-tshark">tshark</primary>
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412 | </indexterm>
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413 | </listitem>
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414 | </varlistentry>
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415 |
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416 | <varlistentry id="wireshark-prog">
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417 | <term><command>wireshark</command></term>
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418 | <listitem>
|
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419 | <para>is a GUI network protocol analyzer. It lets you interactively
|
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420 | browse packet data from a live network or from a previously
|
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421 | saved capture file.</para>
|
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422 | <indexterm zone="wireshark wireshark-prog">
|
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423 | <primary sortas="b-wireshark">wireshark</primary>
|
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424 | </indexterm>
|
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425 | </listitem>
|
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426 | </varlistentry>
|
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427 |
|
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428 | <varlistentry id="libwireshark">
|
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429 | <term><filename class='libraryfile'>libwireshark.so</filename></term>
|
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430 | <listitem>
|
---|
431 | <para>contains functions used by the
|
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432 | <application>Wireshark</application> programs to perform filtering and
|
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433 | packet capturing.</para>
|
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434 | <indexterm zone="wireshark libwireshark">
|
---|
435 | <primary sortas="c-libwireshark">libwireshark.so</primary>
|
---|
436 | </indexterm>
|
---|
437 | </listitem>
|
---|
438 | </varlistentry>
|
---|
439 |
|
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440 | <varlistentry id="libwiretap">
|
---|
441 | <term><filename class='libraryfile'>libwiretap.so</filename></term>
|
---|
442 | <listitem>
|
---|
443 | <para>is a library being developed as a future replacement for
|
---|
444 | <filename class='libraryfile'>libpcap</filename>, the current
|
---|
445 | standard Unix library for packet capturing. For more information,
|
---|
446 | see the <filename>README</filename> file in the source
|
---|
447 | <filename class='directory'>wiretap</filename> directory.</para>
|
---|
448 | <indexterm zone="wireshark libwiretap">
|
---|
449 | <primary sortas="c-libwiretap">libwiretap.so</primary>
|
---|
450 | </indexterm>
|
---|
451 | </listitem>
|
---|
452 | </varlistentry>
|
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453 |
|
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454 | </variablelist>
|
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455 |
|
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456 | </sect2>
|
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457 |
|
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458 | </sect1>
|
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