forked from extern/shorewall_code
87e2df83a2
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@9408 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
228 lines
8.1 KiB
XML
228 lines
8.1 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
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<refentry>
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<refmeta>
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<refentrytitle>shorewall-tcdevices</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>tcdevices</refname>
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<refpurpose>Shorewall Traffic Shaping Devices file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>/etc/shorewall/tcdevices</command>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>Entries in this file define the bandwidth for interfaces on which
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you want traffic shaping to be enabled.</para>
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<para>If you do not plan to use traffic shaping for a device, don't put it
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in here as it limits the throughput of that device to the limits you set
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here.</para>
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<para>A note on the <emphasis>bandwidth</emphasis> definitions used in
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this file:</para>
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<itemizedlist>
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<listitem>
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<para>don't use a space between the integer value and the unit: 30kbit
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is valid while 30 kbit is not.</para>
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</listitem>
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<listitem>
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<para>you can use one of the following units:</para>
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<variablelist>
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<varlistentry>
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<term><emphasis role="bold">kpbs</emphasis></term>
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<listitem>
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<para>Kilobytes per second.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">mbps</emphasis></term>
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<listitem>
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<para>Megabytes per second.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">kbit</emphasis></term>
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<listitem>
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<para>Kilobits per second.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">mbit</emphasis></term>
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<listitem>
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<para>Megabits per second.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">bps</emphasis> or <emphasis
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role="bold">number</emphasis></term>
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<listitem>
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<para>Bytes per second.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</listitem>
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<listitem>
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<para>Only whole integers are allowed.</para>
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</listitem>
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</itemizedlist>
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<para>The columns in the file are as follows.</para>
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<variablelist>
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<varlistentry>
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<term><emphasis role="bold">INTERFACE</emphasis> -
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[<emphasis>number</emphasis>:]<emphasis>interface</emphasis></term>
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<listitem>
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<para>Name of <emphasis>interface</emphasis>. Each interface may be
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listed only once in this file. You may NOT specify the name of an
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alias (e.g., eth0:0) here; see <ulink
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url="http://www.shorewall.net/FAQ.htm#faq18">http://www.shorewall.net/FAQ.htm#faq18</ulink></para>
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<para>You may NOT specify wildcards here, e.g. if you have multiple
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ppp interfaces, you need to put them all in here!</para>
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<para>If the device doesn't exist, a warning message will be issued
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during "shorewall [re]start" and "shorewall refresh" and traffic
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shaping configuration will be skipped for that device.</para>
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<para>Shorewall assigns a sequential <firstterm>interface
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number</firstterm> to each interface (the first entry in the file is
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interface 1, the second is interface 2 and so on) Beginning with
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Shorewall-perl 4.1.6, you can explicitly specify the interface
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number by prefixing the interface name with the number and a colon
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(":"). Example: 1:eth0.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">IN-BANDWIDTH</emphasis> -
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<emphasis>bandwidth</emphasis></term>
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<listitem>
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<para>The incoming <emphasis>bandwidth</emphasis> of that interface.
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Please note that you are not able to do traffic shaping on incoming
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traffic, as the traffic is already received before you could do so.
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But this allows you to define the maximum traffic allowed for this
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interface in total, if the rate is exceeded, the packets are
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dropped. You want this mainly if you have a DSL or Cable connection
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to avoid queuing at your providers side.</para>
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<para>If you don't want any traffic to be dropped, set this to a
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value to zero in which case Shorewall will not create an ingress
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qdisc.Must be set to zero if the REDIRECTED INTERFACES column is
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non-empty.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">OUT-BANDWIDTH</emphasis> -
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<emphasis>bandwidth</emphasis></term>
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<listitem>
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<para>The outgoing <emphasis>bandwidth</emphasis> of that interface.
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This is the maximum speed your connection can handle. It is also the
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speed you can refer as "full" if you define the tc classes in <ulink
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url="shorewall-tcclasses.html">shorewall-tcclasses</ulink>(5).
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Outgoing traffic above this rate will be dropped.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">OPTIONS</emphasis> - {<emphasis
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role="bold">-</emphasis>|<emphasis
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role="bold">classify</emphasis>}</term>
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<listitem>
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<para>classify ― When specified, Shorewall will not generate tc or
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Netfilter rules to classify traffic based on packet marks. You must
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do all classification using CLASSIFY rules in <ulink
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url="shorewall-tcrules.html">shorewall-tcrules</ulink>(5).</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis role="bold">REDIRECTED INTERFACES</emphasis> -
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[<emphasis>interface</emphasis>[,<emphasis>interface</emphasis>]...]</term>
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<listitem>
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<para>Added in Shorewall-perl 4.1.6. May only be specified if the
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interface in the INTERFACE column is an Intermediate Frame Block
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(IFB) device. Causes packets that enter each listed interface to be
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passed through the egress filters defined for this device, thus
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providing a form of incoming traffic shaping. When this column is
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non-empty, the <emphasis role="bold">classify</emphasis> option is
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assumed.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<variablelist>
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<varlistentry>
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<term>Example 1:</term>
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<listitem>
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<para>Suppose you are using PPP over Ethernet (DSL) and ppp0 is the
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interface for this. The device has an outgoing bandwidth of 500kbit
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and an incoming bandwidth of 6000kbit</para>
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<programlisting> #INTERFACE IN-BANDWIDTH OUT-BANDWIDTH OPTIONS REDIRECTED
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# INTERFACES
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1:ppp0 6000kbit 500kbit</programlisting>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>FILES</title>
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<para>/etc/shorewall/tcdevices</para>
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</refsect1>
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<refsect1>
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<title>See ALSO</title>
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<para><ulink
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url="http://shorewall.net/traffic_shaping.htm">http://shorewall.net/traffic_shaping.htm</ulink></para>
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<para>shorewall(8), shorewall-accounting(5), shorewall-actions(5),
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shorewall-blacklist(5), shorewall-hosts(5), shorewall-interfaces(5),
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shorewall-ipsec(5), shorewall-maclist(5), shorewall-masq(5),
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shorewall-nat(5), shorewall-netmap(5), shorewall-params(5),
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shorewall-policy(5), shorewall-providers(5), shorewall-proxyarp(5),
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shorewall-route_rules(5), shorewall-routestopped(5), shorewall-rules(5),
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shorewall.conf(5), shorewall-tcclasses(5), shorewall-tcrules(5),
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shorewall-tos(5), shorewall-tunnels(5), shorewall-zones(5)</para>
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</refsect1>
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</refentry>
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