mirror of
https://github.com/Zeckmathederg/glfs.git
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0455ea7926
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@12837 af4574ff-66df-0310-9fd7-8a98e5e911e0
459 lines
17 KiB
XML
459 lines
17 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY wireshark-download-http "http://www.wireshark.org/download/src/all-versions/wireshark-&wireshark-version;.tar.bz2">
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<!ENTITY wireshark-download-ftp " ">
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<!ENTITY wireshark-md5sum "c67435039d67ef1757bfff0ab88824ab">
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<!ENTITY wireshark-size "26 MB">
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<!ENTITY wireshark-buildsize "926 MB">
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<!ENTITY wireshark-time "5.3 SBU">
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]>
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<sect1 id="wireshark" xreflabel="Wireshark-&wireshark-version;">
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<?dbhtml filename="wireshark.html"?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>Wireshark-&wireshark-version;</title>
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<indexterm zone="wireshark">
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<primary sortas="a-Wireshark">Wireshark</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to Wireshark</title>
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<para>The <application>Wireshark</application> package contains a network
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protocol analyzer, also known as a <quote>sniffer</quote>. This is useful
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for analyzing data captured <quote>off the wire</quote> from a live network
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connection, or data read from a capture file.
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<application>Wireshark</application> provides both a graphical and a TTY-mode
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front-end for examining captured network packets from over 500 protocols,
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as well as the capability to read capture files from many other popular
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network analyzers.</para>
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&lfs75_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&wireshark-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&wireshark-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &wireshark-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &wireshark-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &wireshark-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &wireshark-time;</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Additional Documentation:
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<ulink url="http://www.wireshark.org/download/docs/"/>
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</para>
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</listitem>
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</itemizedlist>
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<para>From this page you can download many different docs in a variety
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of formats.</para>
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<bridgehead renderas="sect3">Wireshark dependencies</bridgehead>
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<bridgehead renderas="sect4">Required</bridgehead>
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<para role="required">
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<xref linkend="glib2"/> (to build the TTY-mode front-end only)
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</para>
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<para>Note that you need <application>Gtk+</application> or
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<application>Qt4</application> installed, otherwise, you will need to pass
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<option>--disable-wireshark</option> to the
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<command>configure</command> command.</para>
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<bridgehead renderas="sect4">Recommended</bridgehead>
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<para role="recommended">
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<xref linkend="libpcap"/> (required to capture data)
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</para>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<ulink url="http://www.gnu.org/software/adns/adns.html">adns</ulink>,
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<ulink url="http://www.maxmind.com/app/c">GeoIP</ulink>,
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<xref linkend="gnutls"/>,
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<xref linkend="libgcrypt"/>,
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<xref linkend="lua"/>,
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<xref linkend="mitkrb"/>,
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<xref linkend="openssl"/>, and
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<ulink url="http://www.portaudio.com/download.html">PortAudio</ulink>
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</para>
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<bridgehead renderas="sect4">Optional (to build the GUI front-end)</bridgehead>
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<para role="optional">
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<xref linkend="gtk2"/>,
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<xref linkend="gtk3"/>, or
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<xref linkend="qt4"/>
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</para>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/wireshark"/></para>
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</sect2>
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<sect2 role="kernel" id="wireshark-kernel">
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<title>Kernel Configuration</title>
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<para>The kernel must have the Packet protocol enabled for
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<application>Wireshark</application> to capture live packets from the
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network.</para>
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<screen><literal>Networking support: Y
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Networking options:
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Packet: sockets monitoring interface: M or Y</literal></screen>
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<para>If built as a module, the name is
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<filename>af_packet.ko</filename>.</para>
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<indexterm zone="wireshark wireshark-kernel">
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<primary sortas="d-Capturing-network-packets">Capturing network
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packets</primary>
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</indexterm>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Wireshark</title>
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<para>Optionally, fix the description of the program in the title.
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The first change overwrites the default "SVN Unknown" in the title
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and the secong overwrites a utility script that resets the version
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to "unknown".</para>
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<screen><userinput>cat > svnversion.h << "EOF"
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#define SVNVERSION "BLFS"
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#define SVNPATH "source"
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EOF
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cat > make-version.pl << "EOF"
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#!/usr/bin/perl
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EOF</userinput></screen>
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<para><application>Wireshark</application> is a very large and complex
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application. These instructions provide additional security measures to
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ensure that only trusted users are allowed to view network traffic. First,
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set up a system group for wireshark. As the <systemitem
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class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>groupadd -g 62 wireshark</userinput></screen>
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<para>Continue to install <application>Wireshark</application> by running
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the following commands:</para>
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<screen><userinput>./configure --prefix=/usr --sysconfdir=/etc &&
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make</userinput></screen>
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<para>This package does not come with a test suite.</para>
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<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>make install &&
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install -v -m755 -d /usr/share/doc/wireshark-&wireshark-version; &&
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install -v -m755 -d /usr/share/pixmaps/wireshark &&
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install -v -m644 README{,.linux} doc/README.* doc/*.{pod,txt} \
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/usr/share/doc/wireshark-&wireshark-version; &&
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pushd /usr/share/doc/wireshark-&wireshark-version; &&
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for FILENAME in ../../wireshark/*.html; do
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ln -s -v -f $FILENAME .
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done &&
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popd &&
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install -v -m644 -D wireshark.desktop \
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/usr/share/applications/wireshark.desktop &&
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install -v -m644 -D image/wsicon48.png \
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/usr/share/pixmaps/wireshark.png &&
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install -v -m644 image/*.{png,ico,xpm,bmp} \
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/usr/share/pixmaps/wireshark</userinput></screen>
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<para>If you downloaded any of the documentation files from the page
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listed in the 'Additional Downloads', install them by issuing the following
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commands as the <systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>install -v -m644 <replaceable><Downloaded_Files></replaceable> /usr/share/doc/wireshark-&wireshark-version;</userinput></screen>
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<para>Now, set ownership and permissions of sensitive applications to
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only allow authorized users. As the <systemitem
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class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>chown -v root:wireshark /usr/bin/{tshark,dumpcap} &&
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chmod -v 6550 /usr/bin/{tshark,dumpcap}</userinput></screen>
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<para>Finally, add any users to the wireshark group with <userinput>usermod -a -G
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wireshark <username></userinput>.</para>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para><parameter>--enable-threads</parameter>: This parameter enables the
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use of threads in <command>wireshark</command>.</para>
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<para><option>--disable-wireshark</option>: This option is required if you
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have <application>GTK+</application> installed but do not want to build
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the GUI.</para>
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<para><option>--with-gtk3=yes</option>: This option is required if you want
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to use <application>GTK+</application>3 instead of 2, for the GUI.</para>
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<para><option>--with-qt=yes</option>: This option is required if you want to
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use <application>Qt</application> instead of
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<application>GTK+</application>, for the GUI.</para>
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<para><option>--with-ssl</option>: This option is required if you
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are linking Kerberos libraries into the build so that the
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<application>OpenSSL</application>
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<filename class='libraryfile'>libcrypto</filename> library is found.</para>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring Wireshark</title>
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<sect3 id="wireshark-config">
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<title>Config Files</title>
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<para><filename>/etc/wireshark.conf</filename> and
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<filename>~/.wireshark/*</filename></para>
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<indexterm zone="wireshark wireshark-config">
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<primary sortas="e-AA.wireshark-star">~/.wireshark/*</primary>
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</indexterm>
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<indexterm zone="wireshark wireshark-config">
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<primary sortas="e-etc-wireshark.conf">/etc/wireshark.conf</primary>
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</indexterm>
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</sect3>
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<sect3>
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<title>Configuration Information</title>
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<para>Though the default configuration parameters are very sane,
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reference the configuration section of the
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<ulink url="http://www.wireshark.org/docs/wsug_html/">Wireshark User's
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Guide</ulink> for configuration information. Most of
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<application>Wireshark</application>'s configuration can be accomplished
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using the menu options of the <command>wireshark</command>
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graphical interface.</para>
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<note>
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<para>If you want to look at packets, make sure you don't filter
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them out with <xref linkend="iptables"/>. If you want to exclude
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certain classes of packets, it is more efficient to do it with
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<application>iptables</application> than it is with
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<application>Wireshark</application>.</para>
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</note>
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</sect3>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>capinfos, dftest, dumpcap, editcap, mergecap, randpkt, rawshark,
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reordercap, text2pcap, tshark, and wireshark</seg>
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<seg>libwireshark.so, libwiretap.so, libwsutil.so, and
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numerous plugin modules under /usr/lib/wireshark/plugins</seg>
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<seg>/usr/lib/wireshark, /usr/share/doc/wireshark-&wireshark-version;,
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/usr/share/pixmaps/wireshark, and /usr/share/wireshark</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="capinfos">
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<term><command>capinfos</command></term>
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<listitem>
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<para>reads a saved capture file and returns any or all of several
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statistics about that file. It is able to detect and read any capture
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supported by the <application>Wireshark</application> package.</para>
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<indexterm zone="wireshark capinfos">
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<primary sortas="b-capinfos">capinfos</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="dftest">
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<term><command>dftest</command></term>
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<listitem>
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<para>is a display-filter-compiler test program.</para>
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<indexterm zone="wireshark dftest">
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<primary sortas="b-dftest">dftest</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="dumpcap">
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<term><command>dumpcap</command></term>
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<listitem>
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<para>is a network traffic dump tool. It lets you capture packet data
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from a live network and write the packets to a file.</para>
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<indexterm zone="wireshark dumpcap">
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<primary sortas="b-dumpcap">dumpcap</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="editcap">
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<term><command>editcap</command></term>
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<listitem>
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<para>edits and/or translates the format of capture files. It knows
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how to read <application>libpcap</application> capture files,
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including those of <command>tcpdump</command>,
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<application>Wireshark</application> and other tools that write
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captures in that format.</para>
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<indexterm zone="wireshark editcap">
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<primary sortas="b-editcap">editcap</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="mergecap">
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<term><command>mergecap</command></term>
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<listitem>
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<para>combines multiple saved capture files into a single output
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file.</para>
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<indexterm zone="wireshark mergecap">
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<primary sortas="b-mergecap">mergecap</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="randpkt">
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<term><command>randpkt</command></term>
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<listitem>
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<para>creates random-packet capture files.</para>
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<indexterm zone="wireshark randpkt">
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<primary sortas="b-randpkt">randpkt</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="rawshark">
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<term><command>rawshark</command></term>
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<listitem>
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<para>dump and analyze raw libpcap data.</para>
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<indexterm zone="wireshark rawshark">
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<primary sortas="b-rawshark">rawshark</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="reordercap">
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<term><command>reordercap</command></term>
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<listitem>
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<para>reorder timestamps of input file frames into output file.</para>
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<indexterm zone="wireshark reordercap">
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<primary sortas="b-reordercap">reordercap</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="text2pcap">
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<term><command>text2pcap</command></term>
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<listitem>
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<para>reads in an ASCII hex dump and writes the
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data described into a <application>libpcap</application>-style
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capture file.</para>
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<indexterm zone="wireshark text2pcap">
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<primary sortas="b-text2pcap">text2pcap</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="tshark">
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<term><command>tshark</command></term>
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<listitem>
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<para>is a TTY-mode network protocol analyzer. It lets you capture
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packet data from a live network or read packets from a
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previously saved capture file.</para>
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<indexterm zone="wireshark tshark">
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<primary sortas="b-tshark">tshark</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="wireshark-prog">
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<term><command>wireshark</command></term>
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<listitem>
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<para>is a GUI network protocol analyzer. It lets you interactively
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browse packet data from a live network or from a previously
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saved capture file.</para>
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<indexterm zone="wireshark wireshark-prog">
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<primary sortas="b-wireshark">wireshark</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libwireshark">
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<term><filename class='libraryfile'>libwireshark.so</filename></term>
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<listitem>
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<para>contains functions used by the
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<application>Wireshark</application> programs to perform filtering and
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packet capturing.</para>
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<indexterm zone="wireshark libwireshark">
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<primary sortas="c-libwireshark">libwireshark.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="libwiretap">
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<term><filename class='libraryfile'>libwiretap.so</filename></term>
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<listitem>
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<para>is a library being developed as a future replacement for
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<filename class='libraryfile'>libpcap</filename>, the current
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standard Unix library for packet capturing. For more information,
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see the <filename>README</filename> file in the source
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<filename class='directory'>wiretap</filename> directory.</para>
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<indexterm zone="wireshark libwiretap">
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<primary sortas="c-libwiretap">libwiretap.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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