Changeset 13659efc


Ignore:
Timestamp:
04/30/2005 03:16:15 PM (19 years ago)
Author:
Manuel Canales Esparcia <manuel@…>
Branches:
10.0, 10.1, 11.0, 11.1, 11.2, 11.3, 12.0, 12.1, 6.1, 6.2, 6.2.0, 6.2.0-rc1, 6.2.0-rc2, 6.3, 6.3-rc1, 6.3-rc2, 6.3-rc3, 7.10, 7.4, 7.5, 7.6, 7.6-blfs, 7.6-systemd, 7.7, 7.8, 7.9, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, basic, bdubbs/svn, elogind, gnome, kde5-13430, kde5-14269, kde5-14686, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, krejzi/svn, lazarus, lxqt, nosym, perl-modules, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, systemd-11177, systemd-13485, trunk, upgradedb, xry111/intltool, xry111/llvm18, xry111/soup3, xry111/test-20220226, xry111/xf86-video-removal
Children:
0710d944
Parents:
927b60f
Message:

Tagged ethereal.xml

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3874 af4574ff-66df-0310-9fd7-8a98e5e911e0

File:
1 edited

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  • basicnet/netutils/ethereal.xml

    r927b60f r13659efc  
    1414
    1515<sect1 id="ethereal" xreflabel="Ethereal-&ethereal-version;">
    16 <sect1info>
    17 <othername>$LastChangedBy$</othername>
    18 <date>$Date$</date>
    19 </sect1info>
    20 <?dbhtml filename="ethereal.html"?>
    21 <title>Ethereal-&ethereal-version;</title>
    22 <indexterm zone="ethereal">
    23 <primary sortas="a-Ethereal">Ethereal</primary>
    24 </indexterm>
    25 
    26 <sect2>
    27 <title>Introduction to <application>Ethereal</application></title>
    28 
    29 <para>The <application>Ethereal</application> package contains a network
    30 protocol analyzer, also known as a <quote>sniffer</quote>. This is useful for
    31 analyzing data captured <quote>off the wire</quote> from a live network
    32 connection, or data read from a capture file.
    33 <application>Ethereal</application> provides both <acronym>GUI</acronym> and
    34 <acronym>TTY</acronym>-mode programs for examining captured network packets
    35 from over 500 protocols, as well as the capability to read capture files from
    36 many other popular network analyzers.</para>
    37 
    38 <sect3><title>Package information</title>
    39 <itemizedlist spacing="compact">
    40 <listitem><para>Download (HTTP):
    41 <ulink url="&ethereal-download-http;"/></para></listitem>
    42 <listitem><para>Download (FTP):
    43 <ulink url="&ethereal-download-ftp;"/></para></listitem>
    44 <listitem><para>Download MD5 Sum: &ethereal-md5sum;</para></listitem>
    45 <listitem><para>Download size: &ethereal-size;</para></listitem>
    46 <listitem><para>Estimated disk space required:
    47 &ethereal-buildsize;</para></listitem>
    48 <listitem><para>Estimated build time:
    49 &ethereal-time;</para></listitem></itemizedlist>
    50 </sect3>
    51 
    52 <sect3><title><application>Ethereal</application> dependencies</title>
    53 <sect4><title>Required</title>
    54 <para><xref linkend="GLib"/> or <xref linkend="glib2"/> (to build the
    55 <acronym>TTY</acronym>-mode front-end only)</para>
    56 </sect4>
    57 
    58 <sect4><title>Recommended</title>
    59 <para><xref linkend="libpcap"/> (required to capture data)</para>
    60 </sect4>
    61 
    62 <sect4><title>Optional</title>
    63 <para><xref linkend="pkgconfig"/>,
    64 <xref linkend="GTK"/> or <xref linkend="gtk2"/> (to build the
    65 <acronym>GUI</acronym> front-end),
    66 <xref linkend="openssl"/>,
    67 <xref linkend="heimdal"/> or <xref linkend="mitkrb"/>,
    68 <xref linkend="python"/>,
    69 <xref linkend="pcre"/>,
    70 <xref linkend="doxygen"/>,
    71 <ulink url="http://www.net-snmp.org/">Net-SNMP</ulink> and
    72 <ulink url="http://www.gnu.org/software/adns/adns.html">adns</ulink></para>
    73 </sect4>
    74 </sect3>
    75 
    76 </sect2>
    77 
    78 <sect2>
    79 <title>Installation of <application>Ethereal</application></title>
    80 
    81 <para>Install <application>Ethereal</application> by running the following
    82 commands:</para>
    83 
    84 <screen><userinput><command>./configure --prefix=/usr --sysconfdir=/etc \
     16  <?dbhtml filename="ethereal.html"?>
     17 
     18  <sect1info>
     19    <othername>$LastChangedBy$</othername>
     20    <date>$Date$</date>
     21  </sect1info>
     22 
     23  <title>Ethereal-&ethereal-version;</title>
     24 
     25  <indexterm zone="ethereal">
     26    <primary sortas="a-Ethereal">Ethereal</primary>
     27  </indexterm>
     28
     29  <sect2 role="package">
     30    <title>Introduction to Ethereal</title>
     31
     32    <para>The <application>Ethereal</application> package contains a network
     33    protocol analyzer, also known as a <quote>sniffer</quote>. This is useful for
     34    analyzing data captured <quote>off the wire</quote> from a live network
     35    connection, or data read from a capture file. <application>Ethereal</application>
     36    provides both GUI and TTY-mode programs for examining captured network packets
     37    from over 500 protocols, as well as the capability to read capture files from
     38    many other popular network analyzers.</para>
     39   
     40    <bridgehead renderas="sect3">Package Information</bridgehead>
     41    <itemizedlist spacing="compact">
     42      <listitem>
     43        <para>Download (HTTP): <ulink url="&ethereal-download-http;"/></para>
     44      </listitem>
     45      <listitem>
     46        <para>Download (FTP): <ulink url="&ethereal-download-ftp;"/></para>
     47      </listitem>
     48      <listitem>
     49        <para>Download MD5 sum: &ethereal-md5sum;</para>
     50      </listitem>
     51      <listitem>
     52        <para>Download size: &ethereal-size;</para>
     53      </listitem>
     54      <listitem>
     55        <para>Estimated disk space required: &ethereal-buildsize;</para>
     56      </listitem>
     57      <listitem>
     58        <para>Estimated build time: &ethereal-time;</para></listitem>
     59    </itemizedlist>
     60   
     61    <bridgehead renderas="sect3">Ethereal dependencies</bridgehead>
     62   
     63    <bridgehead renderas="sect4">Required</bridgehead>
     64    <para><xref linkend="GLib"/> or <xref linkend="glib2"/> (to build the
     65    TTY-mode front-end only)</para>
     66   
     67    <bridgehead renderas="sect4">Recommended</bridgehead>
     68    <para><xref linkend="libpcap"/> (required to capture data)</para>
     69   
     70    <bridgehead renderas="sect4">Optional</bridgehead>
     71    <para><xref linkend="pkgconfig"/>,
     72    <xref linkend="GTK"/> or <xref linkend="gtk2"/> (to build the
     73    GUI front-end),
     74    <xref linkend="openssl"/>,
     75    <xref linkend="heimdal"/> or <xref linkend="mitkrb"/>,
     76    <xref linkend="python"/>,
     77    <xref linkend="pcre"/>,
     78    <xref linkend="doxygen"/>,
     79    <ulink url="http://www.net-snmp.org/">Net-SNMP</ulink> and
     80    <ulink url="http://www.gnu.org/software/adns/adns.html">adns</ulink></para>
     81   
     82  </sect2>
     83 
     84  <sect2 role="kernel" id="ethereal-kernel">
     85    <title>Kernel Configuration</title>
     86   
     87      <para>The kernel must have the Packet protocol enabled for
     88      <application>Ethereal</application> to capture live packets from the network.
     89      Enable the Packet protocol by choosing <quote>Y</quote> in the
     90      <quote>Device Drivers</quote> &ndash; <quote>Networking support</quote>
     91      &ndash; <quote>Networking options</quote> &ndash; <quote>Packet socket</quote>
     92      configuration parameter. Alternatively, build the af_packet module by choosing
     93      <quote>M</quote> in this parameter.</para>
     94     
     95      <indexterm zone="ethereal ethereal-kernel">
     96        <primary sortas="d-Capturing-network-packets">Capturing network
     97        packets</primary>
     98      </indexterm>
     99   
     100  </sect2>
     101 
     102  <sect2 role="installation">
     103    <title>Installation of Ethereal</title>
     104
     105    <para>Install <application>Ethereal</application> by running the following
     106    commands:</para>
     107
     108<screen><userinput>./configure --prefix=/usr --sysconfdir=/etc \
    85109    --enable-randpkt --enable-threads &amp;&amp;
    86 make</command></userinput></screen>
    87 
    88 <para>Now, as the root user:</para>
    89 
    90 <screen><userinput role='root'><command>make install</command></userinput></screen>
    91 
    92 </sect2>
    93 
    94 <sect2>
    95 <title>Command explanations</title>
    96 
    97 <para><option>--enable-randpkt</option>: This parameter builds the random
    98 capture program.</para>
    99 
    100 <para><option>--enable-threads</option>: This parameter enables the use
    101 of threads in <command>ethereal</command>.</para>
    102 
    103 <para><option>--with-ssl</option>: This parameter enables the use of the
    104 <application>Open<acronym>SSL</acronym></application>
    105 <filename class='libraryfile'>libcrypto</filename> library.</para>
    106 
    107 </sect2>
    108 
    109 <sect2>
    110 <title>Configuring <application>Ethereal</application></title>
    111 
    112 <sect3 id="ethereal-config"><title>Config files</title>
    113 <para><filename>/etc/ethereal.conf</filename> and
    114 <filename>~/.ethereal/preferences</filename></para>
    115 <indexterm zone="ethereal ethereal-config">
    116 <primary sortas="e-AA.ethereal-preferences">~/.ethereal/preferences</primary>
    117 </indexterm>
    118 <indexterm zone="ethereal ethereal-config">
    119 <primary sortas="e-etc-ethereal.conf">/etc/ethereal.conf</primary>
    120 </indexterm>
    121 </sect3>
    122 
    123 <sect3><title>Configuration Information</title>
    124 <sect4><title>Package configuration</title>
    125 <para>Though the default configuration parameters are very sane,
    126 reference the configuration section of the
    127 <ulink url="http://www.ethereal.com/docs/user-guide/">Ethereal User's
    128 Guide</ulink> for configuration information. Most of
    129 <application>Ethereal</application>'s configuration can be accomplished
    130 using the menu options of the <command>ethereal</command>
    131 <acronym>GUI</acronym> interface.</para>
    132 </sect4>
    133 
    134 <sect4 id="ethereal-kernel"><title>Kernel configuration</title>
    135 <para>The kernel must have the Packet protocol enabled for
    136 <application>Ethereal</application> to capture live packets from the network.
    137 Enable the Packet protocol by choosing <quote>Y</quote> in the
    138 <quote>Device Drivers</quote> &ndash; <quote>Networking support</quote>
    139 &ndash; <quote>Networking options</quote> &ndash; <quote>Packet socket</quote>
    140 configuration parameter. Alternatively, build the af_packet module by choosing
    141 <quote>M</quote> in this parameter.</para>
    142 <indexterm zone="ethereal ethereal-kernel">
    143 <primary sortas="d-Capturing-network-packets">Capturing network
    144 packets</primary>
    145 </indexterm>
    146 
    147 <para>Note: If you want to look at packets, make sure you don't filter
    148 them out with <xref linkend="iptables"/>. If you want to exclude
    149 certain classes of packets, it is more efficient to do it with
    150 <application>iptables</application> than
    151 <application>Ethereal</application>.</para>
    152 </sect4>
    153 </sect3>
    154 
    155 </sect2>
    156 
    157 <sect2>
    158 <title>Contents</title>
    159 
    160 <segmentedlist>
    161 <segtitle>Installed Programs</segtitle>
    162 <segtitle>Installed Libraries</segtitle>
    163 <segtitle>Installed Directories</segtitle>
    164 
    165 <seglistitem>
    166 <seg>capinfos, dftest, editcap, ethereal, idl2eth, mergecap, randpkt,
    167 tethereal and text2pcap</seg>
    168 <seg>libethereal.so, libwiretap.so and numerous dissector plugin modules</seg>
    169 <seg>/usr/lib/ethereal and /usr/share/ethereal</seg>
    170 </seglistitem>
    171 </segmentedlist>
    172 
    173 <variablelist>
    174 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
    175 <?dbfo list-presentation="list"?>
    176 
    177 <varlistentry id="capinfos">
    178 <term><command>capinfos</command></term>
    179 <listitem><para>reads a saved capture file and returns any or all of several
    180 statistics about that file. It is able to detect and read any capture
    181 supported by the <application>Ethereal</application> package.</para>
    182 <indexterm zone="ethereal capinfos">
    183 <primary sortas="b-capinfos">capinfos</primary>
    184 </indexterm></listitem>
    185 </varlistentry>
    186 
    187 <varlistentry id="dftest">
    188 <term><command>dftest</command></term>
    189 <listitem><para>is a display-filter-compiler test program.</para>
    190 <indexterm zone="ethereal dftest">
    191 <primary sortas="b-dftest">dftest</primary>
    192 </indexterm></listitem>
    193 </varlistentry>
    194 
    195 <varlistentry id="editcap">
    196 <term><command>editcap</command></term>
    197 <listitem><para>edits and/or translates the format of capture files. It knows
    198 how to read <application>libpcap</application> capture files, including those
    199 of <command>tcpdump</command>, <application>Ethereal</application> and other
    200 tools that write captures in that format.</para>
    201 <indexterm zone="ethereal editcap">
    202 <primary sortas="b-editcap">editcap</primary>
    203 </indexterm></listitem>
    204 </varlistentry>
    205 
    206 <varlistentry id="ethereal-prog">
    207 <term><command>ethereal</command></term>
    208 <listitem><para>is a <acronym>GUI</acronym> network protocol analyzer. It lets
    209 you interactively browse packet data from a live network or from a previously
    210 saved capture file.</para>
    211 <indexterm zone="ethereal ethereal-prog">
    212 <primary sortas="b-ethereal">ethereal</primary>
    213 </indexterm></listitem>
    214 </varlistentry>
    215 
    216 <varlistentry id="idl2eth">
    217 <term><command>idl2eth</command></term>
    218 <listitem><para>takes a user specified <acronym>CORBA</acronym>
    219 <acronym>IDL</acronym> file and generates <quote>C</quote> source code that
    220 can be used to create an <application>Ethereal</application> plugin.</para>
    221 <indexterm zone="ethereal idl2eth">
    222 <primary sortas="b-idl2eth">idl2eth</primary>
    223 </indexterm></listitem>
    224 </varlistentry>
    225 
    226 <varlistentry id="mergecap">
    227 <term><command>mergecap</command></term>
    228 <listitem><para>combines multiple saved capture files into a single output
    229 file.</para>
    230 <indexterm zone="ethereal mergecap">
    231 <primary sortas="b-mergecap">mergecap</primary>
    232 </indexterm></listitem>
    233 </varlistentry>
    234 
    235 <varlistentry id="randpkt">
    236 <term><command>randpkt</command></term>
    237 <listitem><para>creates random-packet capture files.</para>
    238 <indexterm zone="ethereal randpkt">
    239 <primary sortas="b-randpkt">randpkt</primary>
    240 </indexterm></listitem>
    241 </varlistentry>
    242 
    243 <varlistentry id="tethereal">
    244 <term><command>tethereal</command></term>
    245 <listitem><para>is a <acronym>TTY</acronym>-mode network protocol analyzer.
    246 It lets you capture packet data from a live network or read packets from a
    247 previously saved capture file.</para>
    248 <indexterm zone="ethereal tethereal">
    249 <primary sortas="b-tethereal">tethereal</primary>
    250 </indexterm></listitem>
    251 </varlistentry>
    252 
    253 <varlistentry id="text2pcap">
    254 <term><command>text2pcap</command></term>
    255 <listitem><para>reads in an <acronym>ASCII</acronym> hex dump and writes the
    256 data described into a <application>libpcap</application>-style capture
    257 file.</para>
    258 <indexterm zone="ethereal text2pcap">
    259 <primary sortas="b-text2pcap">text2pcap</primary>
    260 </indexterm></listitem>
    261 </varlistentry>
    262 
    263 <varlistentry id="libethereal">
    264 <term><filename class='libraryfile'>libethereal.so</filename></term>
    265 <listitem><para>contains functions used by the
    266 <application>Ethereal</application> programs to perform filtering and
    267 packet capturing.</para>
    268 <indexterm zone="ethereal libethereal">
    269 <primary sortas="c-libethereal">libethereal.so</primary>
    270 </indexterm></listitem>
    271 </varlistentry>
    272 
    273 <varlistentry id="libwiretap">
    274 <term><filename class='libraryfile'>libwiretap.so</filename></term>
    275 <listitem><para>is a library being developed as a future replacement for
    276 <filename class='libraryfile'>libpcap</filename>, the current standard Unix
    277 library for packet capturing. For more information, see the
    278 <filename>README</filename> file in the source
    279 <filename class='directory'>wiretap</filename> directory.</para>
    280 <indexterm zone="ethereal libwiretap">
    281 <primary sortas="c-libwiretap">libwiretap.so</primary>
    282 </indexterm></listitem>
    283 </varlistentry>
    284 </variablelist>
    285 
    286 </sect2>
     110make</userinput></screen>
     111   
     112    <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
     113   
     114<screen role="root"><userinput>make install</userinput></screen>
     115   
     116  </sect2>
     117 
     118  <sect2 role="commands">
     119    <title>Command Explanations</title>
     120   
     121    <para><parameter>--enable-randpkt</parameter>: This parameter builds the random
     122    capture program.</para>
     123   
     124    <para><parameter>--enable-threads</parameter>: This parameter enables the use
     125    of threads in <command>ethereal</command>.</para>
     126   
     127    <para><option>--with-ssl</option>: This parameter enables the use of the
     128    <application>OpenSSL</application>
     129    <filename class='libraryfile'>libcrypto</filename> library.</para>
     130   
     131  </sect2>
     132 
     133  <sect2 role="configuration">
     134    <title>Configuring Ethereal</title>
     135
     136    <sect3 id="ethereal-config">
     137      <title>Config Files</title>
     138     
     139      <para><filename>/etc/ethereal.conf</filename> and
     140      <filename>~/.ethereal/preferences</filename></para>
     141     
     142      <indexterm zone="ethereal ethereal-config">
     143        <primary sortas="e-AA.ethereal-preferences">~/.ethereal/preferences</primary>
     144      </indexterm>
     145     
     146      <indexterm zone="ethereal ethereal-config">
     147        <primary sortas="e-etc-ethereal.conf">/etc/ethereal.conf</primary>
     148      </indexterm>
     149   
     150    </sect3>
     151   
     152    <sect3>
     153      <title>Configuration Information</title>
     154     
     155      <para>Though the default configuration parameters are very sane,
     156      reference the configuration section of the
     157      <ulink url="http://www.ethereal.com/docs/user-guide/">Ethereal User's
     158      Guide</ulink> for configuration information. Most of
     159      <application>Ethereal</application>'s configuration can be accomplished
     160      using the menu options of the <command>ethereal</command>
     161      GUI interface.</para>
     162     
     163      <note>
     164        <para>If you want to look at packets, make sure you don't filter
     165        them out with <xref linkend="iptables"/>. If you want to exclude
     166        certain classes of packets, it is more efficient to do it with
     167        <application>iptables</application> than
     168        <application>Ethereal</application>.</para>
     169      </note>
     170   
     171    </sect3>
     172   
     173  </sect2>
     174 
     175  <sect2 role="content">
     176    <title>Contents</title>
     177
     178    <segmentedlist>
     179      <segtitle>Installed Programs</segtitle>
     180      <segtitle>Installed Libraries</segtitle>
     181      <segtitle>Installed Directories</segtitle>
     182     
     183      <seglistitem>
     184        <seg>capinfos, dftest, editcap, ethereal, idl2eth, mergecap, randpkt,
     185        tethereal and text2pcap</seg>
     186        <seg>libethereal.so, libwiretap.so and numerous dissector plugin modules</seg>
     187        <seg>/usr/lib/ethereal and /usr/share/ethereal</seg>
     188      </seglistitem>
     189    </segmentedlist>
     190   
     191    <variablelist>
     192      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
     193      <?dbfo list-presentation="list"?>
     194      <?dbhtml list-presentation="table"?>
     195     
     196      <varlistentry id="capinfos">
     197        <term><command>capinfos</command></term>
     198        <listitem>
     199          <para>reads a saved capture file and returns any or all of several
     200          statistics about that file. It is able to detect and read any capture
     201          supported by the <application>Ethereal</application> package.</para>
     202          <indexterm zone="ethereal capinfos">
     203            <primary sortas="b-capinfos">capinfos</primary>
     204          </indexterm>
     205        </listitem>
     206      </varlistentry>
     207     
     208      <varlistentry id="dftest">
     209        <term><command>dftest</command></term>
     210        <listitem>
     211          <para>is a display-filter-compiler test program.</para>
     212          <indexterm zone="ethereal dftest">
     213            <primary sortas="b-dftest">dftest</primary>
     214          </indexterm>
     215        </listitem>
     216      </varlistentry>
     217     
     218      <varlistentry id="editcap">
     219        <term><command>editcap</command></term>
     220        <listitem>
     221          <para>edits and/or translates the format of capture files. It knows
     222          how to read <application>libpcap</application> capture files, including those
     223          of <command>tcpdump</command>, <application>Ethereal</application> and other
     224          tools that write captures in that format.</para>
     225          <indexterm zone="ethereal editcap">
     226            <primary sortas="b-editcap">editcap</primary>
     227          </indexterm>
     228        </listitem>
     229      </varlistentry>
     230     
     231      <varlistentry id="ethereal-prog">
     232        <term><command>ethereal</command></term>
     233        <listitem>
     234          <para>is a GUI network protocol analyzer. It lets
     235          you interactively browse packet data from a live network or from a previously
     236          saved capture file.</para>
     237          <indexterm zone="ethereal ethereal-prog">
     238            <primary sortas="b-ethereal">ethereal</primary>
     239          </indexterm>
     240        </listitem>
     241      </varlistentry>
     242     
     243      <varlistentry id="idl2eth">
     244        <term><command>idl2eth</command></term>
     245        <listitem>
     246          <para>takes a user specified CORBA
     247          IDL file and generates <quote>C</quote> source code that
     248          can be used to create an <application>Ethereal</application> plugin.</para>
     249          <indexterm zone="ethereal idl2eth">
     250            <primary sortas="b-idl2eth">idl2eth</primary>
     251          </indexterm>
     252        </listitem>
     253      </varlistentry>
     254     
     255      <varlistentry id="mergecap">
     256        <term><command>mergecap</command></term>
     257        <listitem>
     258          <para>combines multiple saved capture files into a single output
     259          file.</para>
     260          <indexterm zone="ethereal mergecap">
     261            <primary sortas="b-mergecap">mergecap</primary>
     262          </indexterm>
     263        </listitem>
     264      </varlistentry>
     265     
     266      <varlistentry id="randpkt">
     267        <term><command>randpkt</command></term>
     268        <listitem>
     269          <para>creates random-packet capture files.</para>
     270          <indexterm zone="ethereal randpkt">
     271            <primary sortas="b-randpkt">randpkt</primary>
     272          </indexterm>
     273        </listitem>
     274      </varlistentry>
     275     
     276      <varlistentry id="tethereal">
     277        <term><command>tethereal</command></term>
     278        <listitem>
     279          <para>is a TTY-mode network protocol analyzer.
     280          It lets you capture packet data from a live network or read packets from a
     281          previously saved capture file.</para>
     282          <indexterm zone="ethereal tethereal">
     283            <primary sortas="b-tethereal">tethereal</primary>
     284          </indexterm>
     285        </listitem>
     286      </varlistentry>
     287     
     288      <varlistentry id="text2pcap">
     289        <term><command>text2pcap</command></term>
     290        <listitem>
     291          <para>reads in an ASCII hex dump and writes the
     292          data described into a <application>libpcap</application>-style capture
     293          file.</para>
     294          <indexterm zone="ethereal text2pcap">
     295            <primary sortas="b-text2pcap">text2pcap</primary>
     296          </indexterm>
     297        </listitem>
     298      </varlistentry>
     299     
     300      <varlistentry id="libethereal">
     301        <term><filename class='libraryfile'>libethereal.so</filename></term>
     302        <listitem>
     303          <para>contains functions used by the
     304          <application>Ethereal</application> programs to perform filtering and
     305          packet capturing.</para>
     306          <indexterm zone="ethereal libethereal">
     307            <primary sortas="c-libethereal">libethereal.so</primary>
     308          </indexterm>
     309        </listitem>
     310      </varlistentry>
     311     
     312      <varlistentry id="libwiretap">
     313        <term><filename class='libraryfile'>libwiretap.so</filename></term>
     314        <listitem>
     315          <para>is a library being developed as a future replacement for
     316          <filename class='libraryfile'>libpcap</filename>, the current standard Unix
     317          library for packet capturing. For more information, see the
     318          <filename>README</filename> file in the source
     319          <filename class='directory'>wiretap</filename> directory.</para>
     320          <indexterm zone="ethereal libwiretap">
     321            <primary sortas="c-libwiretap">libwiretap.so</primary>
     322          </indexterm>
     323        </listitem>
     324      </varlistentry>
     325   
     326    </variablelist>
     327
     328  </sect2>
    287329
    288330</sect1>
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