| 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 "794948a10d387fc8e37d824ea11dbac9">
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| 10 | <!ENTITY wireshark-size "21 MB">
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| 11 | <!ENTITY wireshark-buildsize "952 MB">
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| 12 | <!ENTITY wireshark-time "5.8 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 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 | &lfs71_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"><!--<xref linkend="GLib"/> or --><xref linkend="glib2"/>
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| 81 | (to build the TTY-mode front-end only)</para>
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| 82 |
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| 83 | <para>Note that if you don't have <application>Gtk+</application>
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| 84 | installed, you will need to pass <option>--disable-wireshark</option>
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| 85 | to the <command>configure</command> command.</para>
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| 86 |
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| 87 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 88 | <para role="recommended">
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| 89 | <xref linkend="libpcap"/> (required to capture data)
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| 90 | </para>
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| 91 |
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| 92 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 93 | <para role="optional"><!-- <xref linkend="pkgconfig"/>, -->
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| 94 | <xref linkend="gtk2"/> or <xref linkend="gtk3"/> (to build the GUI front-end),
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| 95 | <xref linkend="openssl"/>,
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| 96 | <xref linkend="mitkrb"/>,
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| 97 | <xref linkend="python2"/>,
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| 98 | <xref linkend="pcre"/>,
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| 99 | <xref linkend="gnutls"/>,
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| 100 | <ulink url="http://www.portaudio.com/download.html">PortAudio</ulink>,
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| 101 | <ulink url="http://www.maxmind.com/app/c">GeoIP</ulink>,
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| 102 | <!-- <ulink url="http://www.net-snmp.org/">Net-SNMP</ulink>, -->
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| 103 | <ulink url="http://www.gnu.org/software/adns/adns.html">adns</ulink>, and
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| 104 | <ulink url="http://www.lua.org/">Lua</ulink>
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| 105 | </para>
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| 106 |
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| 107 | <para condition="html" role="usernotes">User Notes:
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| 108 | <ulink url="&blfs-wiki;/wireshark"/></para>
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| 109 |
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| 110 | </sect2>
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| 111 |
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| 112 | <sect2 role="kernel" id="wireshark-kernel">
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| 113 | <title>Kernel Configuration</title>
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| 114 |
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| 115 | <para>The kernel must have the Packet protocol enabled for
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| 116 | <application>Wireshark</application> to capture live packets from the
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| 117 | network. Enable the Packet protocol by choosing <quote>Y</quote> in the
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| 118 | <quote>Networking</quote> – <quote>Packet socket</quote>
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| 119 | configuration parameter. Alternatively, build the
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| 120 | <filename>af_packet.ko</filename> module by choosing <quote>M</quote> in
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| 121 | this parameter.</para>
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| 122 |
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| 123 | <indexterm zone="wireshark wireshark-kernel">
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| 124 | <primary sortas="d-Capturing-network-packets">Capturing network
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| 125 | packets</primary>
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| 126 | </indexterm>
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| 127 |
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| 128 | </sect2>
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| 129 |
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| 130 | <sect2 role="installation">
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| 131 | <title>Installation of Wireshark</title>
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| 132 |
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| 133 | <para>Optionally, fix the description of the program in the title.
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| 134 | The first change overwrites the default "SVN Unknown" in the title
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| 135 | and the secong overwrites a utility script that resets the version
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| 136 | to "unknown".</para>
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| 137 |
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| 138 | <screen><userinput>cat > svnversion.h << "EOF"
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| 139 | #define SVNVERSION "BLFS"
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| 140 | #define SVNPATH "source"
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| 141 | EOF
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| 142 |
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| 143 | cat > make-version.pl << "EOF"
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| 144 | #!/usr/bin/perl
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| 145 | EOF</userinput></screen>
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| 146 |
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| 147 | <para><application>Wireshark</application> is a very large and complex
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| 148 | application. These instructions provide additional security measures to
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| 149 | ensure that only trusted users are allowed to view network traffic. First,
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| 150 | set up a system groub for wireshark. As the <systemitem
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| 151 | class="username">root</systemitem> user:</para>
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| 152 |
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| 153 | <screen role="root"><userinput>groupadd -g 62 wireshark</userinput></screen>
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| 154 |
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| 155 | <para>Continue to install <application>Wireshark</application> by running
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| 156 | the following commands:</para>
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| 157 |
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| 158 | <screen><userinput>./configure --prefix=/usr \
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| 159 | --sysconfdir=/etc \
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| 160 | --enable-threads &&
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| 161 | make</userinput></screen>
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| 162 |
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| 163 | <para>This package does not come with a test suite.</para>
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| 164 |
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| 165 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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| 166 |
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| 167 | <screen role="root"><userinput>make install &&
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| 168 |
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| 169 | install -v -m755 -d /usr/share/doc/wireshark-&wireshark-version; &&
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| 170 | install -v -m755 -d /usr/share/pixmaps/wireshark &&
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| 171 |
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| 172 | install -v -m644 README{,.linux} doc/README.* doc/*.{pod,txt} \
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| 173 | /usr/share/doc/wireshark-&wireshark-version; &&
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| 174 |
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| 175 | pushd /usr/share/doc/wireshark-&wireshark-version; &&
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| 176 | for FILENAME in ../../wireshark/*.html; do
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| 177 | ln -s -v $FILENAME .
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| 178 | done &&
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| 179 | popd &&
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| 180 |
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| 181 | install -v -m644 -D wireshark.desktop \
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| 182 | /usr/share/applications/wireshark.desktop &&
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| 183 |
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| 184 | install -v -m644 -D image/wsicon48.png \
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| 185 | /usr/share/pixmaps/wireshark.png &&
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| 186 |
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| 187 | install -v -m644 image/*.{png,ico,xpm,bmp} \
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| 188 | /usr/share/pixmaps/wireshark</userinput></screen>
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| 189 |
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| 190 | <para>If you downloaded any of the documentation files from the page
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| 191 | listed in the 'Additional Downloads', install them by issuing the following
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| 192 | commands as the <systemitem class="username">root</systemitem> user:</para>
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| 193 |
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| 194 | <screen role="root"><userinput>install -v -m644 <replaceable><Downloaded_Files></replaceable> /usr/share/doc/wireshark-&wireshark-version;</userinput></screen>
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| 195 |
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| 196 | <para>Now, set ownership and permissions of sensitive applications to
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| 197 | only allow authorized users. As the <systemitem
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| 198 | class="username">root</systemitem> user:</para>
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| 199 |
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| 200 | <screen role="root"><userinput>chown -v root:wireshark /usr/bin/{tshark,dumpcap} &&
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| 201 | chmod -v 6550 /usr/bin/{tshark,dumpcap}</userinput></screen>
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| 202 |
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| 203 | <para>Finally, add any users to the wireshark group with <userinput>usermod -a -G
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| 204 | wireshark <username></userinput>.</para>
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| 205 |
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| 206 | </sect2>
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| 207 |
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| 208 | <sect2 role="commands">
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| 209 | <title>Command Explanations</title>
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| 210 |
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| 211 | <para><parameter>--enable-threads</parameter>: This parameter enables the
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| 212 | use of threads in <command>wireshark</command>.</para>
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| 213 |
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| 214 | <para><option>--with-ssl</option>: This parameter is required if you
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| 215 | are linking Kerberos libraries into the build so that the
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| 216 | <application>OpenSSL</application>
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| 217 | <filename class='libraryfile'>libcrypto</filename> library is found.</para>
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| 218 |
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| 219 | <para><option>--with-python</option>: This parameter is required if you
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| 220 | want Python bindings built.</para>
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| 221 |
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| 222 | </sect2>
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| 223 |
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| 224 | <sect2 role="configuration">
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| 225 | <title>Configuring Wireshark</title>
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| 226 |
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| 227 | <sect3 id="wireshark-config">
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| 228 | <title>Config Files</title>
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| 229 |
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| 230 | <para><filename>/etc/wireshark.conf</filename> and
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| 231 | <filename>~/.wireshark/*</filename></para>
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| 232 |
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| 233 | <indexterm zone="wireshark wireshark-config">
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| 234 | <primary sortas="e-AA.wireshark-star">~/.wireshark/*</primary>
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| 235 | </indexterm>
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| 236 |
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| 237 | <indexterm zone="wireshark wireshark-config">
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| 238 | <primary sortas="e-etc-wireshark.conf">/etc/wireshark.conf</primary>
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| 239 | </indexterm>
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| 240 |
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| 241 | </sect3>
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| 242 |
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| 243 | <sect3>
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| 244 | <title>Configuration Information</title>
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| 245 |
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| 246 | <para>Though the default configuration parameters are very sane,
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| 247 | reference the configuration section of the
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| 248 | <ulink url="http://www.wireshark.org/docs/wsug_html/">Wireshark User's
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| 249 | Guide</ulink> for configuration information. Most of
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| 250 | <application>Wireshark</application>'s configuration can be accomplished
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| 251 | using the menu options of the <command>wireshark</command>
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| 252 | graphical interface.</para>
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| 253 |
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| 254 | <note>
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| 255 | <para>If you want to look at packets, make sure you don't filter
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| 256 | them out with <xref linkend="iptables"/>. If you want to exclude
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| 257 | certain classes of packets, it is more efficient to do it with
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| 258 | <application>iptables</application> than it is with
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| 259 | <application>Wireshark</application>.</para>
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| 260 | </note>
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| 261 |
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| 262 | </sect3>
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| 263 |
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| 264 | </sect2>
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| 265 |
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| 266 | <sect2 role="content">
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| 267 | <title>Contents</title>
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| 268 |
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| 269 | <segmentedlist>
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| 270 | <segtitle>Installed Programs</segtitle>
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| 271 | <segtitle>Installed Libraries</segtitle>
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| 272 | <segtitle>Installed Directories</segtitle>
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| 273 |
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| 274 | <seglistitem>
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| 275 | <seg>capinfos, dftest, dumpcap, editcap, idl2wrs, mergecap, randpkt,
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| 276 | rawshark, text2pcap, tshark and wireshark</seg>
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| 277 | <seg>libwireshark.so, libwiretap.so, libwsutil.so, and
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| 278 | numerous plugin modules</seg>
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| 279 | <seg>/usr/lib/wireshark, /usr/share/doc/wireshark-&wireshark-version;,
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| 280 | /usr/share/pixmaps/wireshark and /usr/share/wireshark</seg>
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| 281 | </seglistitem>
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| 282 | </segmentedlist>
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| 283 |
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| 284 | <variablelist>
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| 285 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 286 | <?dbfo list-presentation="list"?>
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| 287 | <?dbhtml list-presentation="table"?>
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| 288 |
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| 289 | <varlistentry id="capinfos">
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| 290 | <term><command>capinfos</command></term>
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| 291 | <listitem>
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| 292 | <para>reads a saved capture file and returns any or all of several
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| 293 | statistics about that file. It is able to detect and read any capture
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| 294 | supported by the <application>Wireshark</application> package.</para>
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| 295 | <indexterm zone="wireshark capinfos">
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| 296 | <primary sortas="b-capinfos">capinfos</primary>
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| 297 | </indexterm>
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| 298 | </listitem>
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| 299 | </varlistentry>
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| 300 |
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| 301 | <varlistentry id="dftest">
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| 302 | <term><command>dftest</command></term>
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| 303 | <listitem>
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| 304 | <para>is a display-filter-compiler test program.</para>
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| 305 | <indexterm zone="wireshark dftest">
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| 306 | <primary sortas="b-dftest">dftest</primary>
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| 307 | </indexterm>
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| 308 | </listitem>
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| 309 | </varlistentry>
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| 310 |
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| 311 | <varlistentry id="dumpcap">
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| 312 | <term><command>dumpcap</command></term>
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| 313 | <listitem>
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| 314 | <para>is a network traffic dump tool. It lets you capture packet data
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| 315 | from a live network and write the packets to a file.</para>
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| 316 | <indexterm zone="wireshark dumpcap">
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| 317 | <primary sortas="b-dumpcap">dumpcap</primary>
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| 318 | </indexterm>
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| 319 | </listitem>
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| 320 | </varlistentry>
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| 321 |
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| 322 | <varlistentry id="editcap">
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| 323 | <term><command>editcap</command></term>
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| 324 | <listitem>
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| 325 | <para>edits and/or translates the format of capture files. It knows
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| 326 | how to read <application>libpcap</application> capture files,
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| 327 | including those of <command>tcpdump</command>,
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| 328 | <application>Wireshark</application> and other tools that write
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| 329 | captures in that format.</para>
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| 330 | <indexterm zone="wireshark editcap">
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| 331 | <primary sortas="b-editcap">editcap</primary>
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| 332 | </indexterm>
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| 333 | </listitem>
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| 334 | </varlistentry>
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| 335 |
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| 336 | <varlistentry id="idl2wrs">
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| 337 | <term><command>idl2wrs</command></term>
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| 338 | <listitem>
|
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| 339 | <para>takes a user specified CORBA
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| 340 | IDL file and generates <quote>C</quote> source code that
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| 341 | can be used to create an <application>Wireshark</application>
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| 342 | plugin.</para>
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| 343 | <indexterm zone="wireshark idl2wrs">
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| 344 | <primary sortas="b-idl2wrs">idl2wrs</primary>
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| 345 | </indexterm>
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| 346 | </listitem>
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| 347 | </varlistentry>
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| 348 |
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| 349 | <varlistentry id="mergecap">
|
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| 350 | <term><command>mergecap</command></term>
|
|---|
| 351 | <listitem>
|
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| 352 | <para>combines multiple saved capture files into a single output
|
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| 353 | file.</para>
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| 354 | <indexterm zone="wireshark mergecap">
|
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| 355 | <primary sortas="b-mergecap">mergecap</primary>
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| 356 | </indexterm>
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| 357 | </listitem>
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| 358 | </varlistentry>
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| 359 |
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| 360 | <varlistentry id="randpkt">
|
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| 361 | <term><command>randpkt</command></term>
|
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| 362 | <listitem>
|
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| 363 | <para>creates random-packet capture files.</para>
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| 364 | <indexterm zone="wireshark randpkt">
|
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| 365 | <primary sortas="b-randpkt">randpkt</primary>
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| 366 | </indexterm>
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| 367 | </listitem>
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| 368 | </varlistentry>
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| 369 |
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| 370 | <varlistentry id="rawshark">
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| 371 | <term><command>rawshark</command></term>
|
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| 372 | <listitem>
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| 373 | <para>dump and analyze raw libpcap data.</para>
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| 374 | <indexterm zone="wireshark rawshark">
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| 375 | <primary sortas="b-rawshark">rawshark</primary>
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| 376 | </indexterm>
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| 377 | </listitem>
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| 378 | </varlistentry>
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| 379 |
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| 380 | <varlistentry id="text2pcap">
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| 381 | <term><command>text2pcap</command></term>
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| 382 | <listitem>
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| 383 | <para>reads in an ASCII hex dump and writes the
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| 384 | data described into a <application>libpcap</application>-style
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| 385 | capture file.</para>
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| 386 | <indexterm zone="wireshark text2pcap">
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|---|
| 387 | <primary sortas="b-text2pcap">text2pcap</primary>
|
|---|
| 388 | </indexterm>
|
|---|
| 389 | </listitem>
|
|---|
| 390 | </varlistentry>
|
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| 391 |
|
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| 392 | <varlistentry id="tshark">
|
|---|
| 393 | <term><command>tshark</command></term>
|
|---|
| 394 | <listitem>
|
|---|
| 395 | <para>is a TTY-mode network protocol analyzer. It lets you capture
|
|---|
| 396 | packet data from a live network or read packets from a
|
|---|
| 397 | previously saved capture file.</para>
|
|---|
| 398 | <indexterm zone="wireshark tshark">
|
|---|
| 399 | <primary sortas="b-tshark">tshark</primary>
|
|---|
| 400 | </indexterm>
|
|---|
| 401 | </listitem>
|
|---|
| 402 | </varlistentry>
|
|---|
| 403 |
|
|---|
| 404 | <varlistentry id="wireshark-prog">
|
|---|
| 405 | <term><command>wireshark</command></term>
|
|---|
| 406 | <listitem>
|
|---|
| 407 | <para>is a GUI network protocol analyzer. It lets you interactively
|
|---|
| 408 | browse packet data from a live network or from a previously
|
|---|
| 409 | saved capture file.</para>
|
|---|
| 410 | <indexterm zone="wireshark wireshark-prog">
|
|---|
| 411 | <primary sortas="b-wireshark">wireshark</primary>
|
|---|
| 412 | </indexterm>
|
|---|
| 413 | </listitem>
|
|---|
| 414 | </varlistentry>
|
|---|
| 415 |
|
|---|
| 416 | <varlistentry id="libwireshark">
|
|---|
| 417 | <term><filename class='libraryfile'>libwireshark.so</filename></term>
|
|---|
| 418 | <listitem>
|
|---|
| 419 | <para>contains functions used by the
|
|---|
| 420 | <application>Wireshark</application> programs to perform filtering and
|
|---|
| 421 | packet capturing.</para>
|
|---|
| 422 | <indexterm zone="wireshark libwireshark">
|
|---|
| 423 | <primary sortas="c-libwireshark">libwireshark.so</primary>
|
|---|
| 424 | </indexterm>
|
|---|
| 425 | </listitem>
|
|---|
| 426 | </varlistentry>
|
|---|
| 427 |
|
|---|
| 428 | <varlistentry id="libwiretap">
|
|---|
| 429 | <term><filename class='libraryfile'>libwiretap.so</filename></term>
|
|---|
| 430 | <listitem>
|
|---|
| 431 | <para>is a library being developed as a future replacement for
|
|---|
| 432 | <filename class='libraryfile'>libpcap</filename>, the current
|
|---|
| 433 | standard Unix library for packet capturing. For more information,
|
|---|
| 434 | see the <filename>README</filename> file in the source
|
|---|
| 435 | <filename class='directory'>wiretap</filename> directory.</para>
|
|---|
| 436 | <indexterm zone="wireshark libwiretap">
|
|---|
| 437 | <primary sortas="c-libwiretap">libwiretap.so</primary>
|
|---|
| 438 | </indexterm>
|
|---|
| 439 | </listitem>
|
|---|
| 440 | </varlistentry>
|
|---|
| 441 |
|
|---|
| 442 | </variablelist>
|
|---|
| 443 |
|
|---|
| 444 | </sect2>
|
|---|
| 445 |
|
|---|
| 446 | </sect1>
|
|---|
