forked from extern/shorewall_code
295 lines
9.4 KiB
XML
295 lines
9.4 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-ipsets</refentrytitle>
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<manvolnum>5</manvolnum>
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<refmiscinfo>Configuration Files</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>ipsets</refname>
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<refpurpose>Specifying the name if an ipset in Shorewall configuration
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files</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>+<replaceable>ipsetname</replaceable></command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>+<replaceable>ipsetname</replaceable>[<replaceable>flag</replaceable>,...]</command>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>+[ipsetname,...]</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>Note: In the above syntax descriptions, the square brackets ("[]")
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are to be taken literally rather than as meta-characters.</para>
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<para>In most places where a network address may be entered, an ipset may
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be substituted. Set names must be prefixed by the character "+", must
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start with a letter and may be composed of alphanumeric characters, "-"
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and "_".</para>
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<para>Whether the set is matched against the packet source or destination
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is determined by which column the set name appears (SOURCE or DEST). For
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those set types that specify a tuple, two alternative syntaxes are
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available:</para>
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<simplelist>
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<member>[<replaceable>number</replaceable>] - Indicates that 'src' or
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'dst' should be repeated <replaceable>number</replaceable> times.
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Example: myset[2].</member>
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<member>[<replaceable>flag</replaceable>,...] where
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<replaceable>flag</replaceable> is <option>src</option> or
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<option>dst</option>. Example: myset[src,dst].</member>
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</simplelist>
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<para>In a SOURCE or SPORT column, the following pairs are
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equivalent:</para>
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<itemizedlist>
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<listitem>
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<para>+myset[2] and +myset[src,src]</para>
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</listitem>
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</itemizedlist>
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<para>In a DEST or DPORT column, the following pairs are
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equivalent:</para>
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<itemizedlist>
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<listitem>
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<para>+myset[2] and +myset[dst,dst]</para>
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</listitem>
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</itemizedlist>
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<para>Beginning with Shorewall 4.4.14, multiple source or destination
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matches may be specified by enclosing the set names within +[...]. The set
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names need not be prefixed with '+'. When such a list of sets is
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specified, matching packets must match all of the listed sets.</para>
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<para>For information about set lists and exclusion, see <ulink
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url="/manpages/shorewall-exclusion.html">shorewall-exclusion</ulink>
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(5).</para>
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<para>Beginning with Shorewall 4.5.16, you can increment one or more
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nfacct objects each time a packet matches an ipset. You do that by listing
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the objects separated by commas within parentheses.</para>
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<para>Example:</para>
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<simplelist>
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<member>+myset[src](myobject)</member>
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</simplelist>
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<para>In that example, when the source address of a packet matches the
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<emphasis role="bold">myset</emphasis> ipset, the <emphasis
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role="bold">myobject</emphasis> nfacct counter will be incremented.</para>
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<para>Beginning with Shorewall 4.6.0, an ipset name (and src/dst list, if
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any) can be immediately be followed by a list of match options.</para>
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<important>
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<para>These additional match options are not available in <ulink
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url="/manpages/shorewall-tcfilters.html">shorewall-tcfilters(5)</ulink>.</para>
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</important>
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<para>Available options are:</para>
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<variablelist>
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<varlistentry>
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<term>nomatch</term>
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<listitem>
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<para>If the set type supports the nomatch flag, then the matching
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is reversed: a match with an element flagged with nomatch returns
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true, while a match with a plain element returns false. This option
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requires the 'Ipset Match nomatch' capability in your kernel and
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ip[6]tables.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>no-update-counters</term>
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<listitem>
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<para>The packet and byte counters of the matching element in the
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set won't be updated. By default, the packet and byte counters are
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updated. This option and those that follow require the 'Ipset Match
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counters' capability in your kernel and ip[6]tables.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>no-update-subcounters</term>
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<listitem>
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<para>The packet and byte counters of the matching element in the
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member set of a list type of set won't be updated. Default the
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packet and byte counters are updated.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets=<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element matches the given
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<replaceable>value</replaceable> also.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets<<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element is less than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets><replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element is greater than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>packets!=<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the packet counter of the element does not match the given
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<replaceable>value</replaceable> also.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes=<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element matches the given
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<replaceable>value</replaceable> also.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes<<replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element is less than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes><replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element is greater than the given
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<replaceable>value</replaceable> as well.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>bytes<><replaceable>value</replaceable></term>
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<listitem>
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<para>If the packet is matched an element in the set, match only if
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the byte counter of the element does not match the given
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<replaceable>value</replaceable> also.</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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<para>In the examples that follow, <firstterm>myset</firstterm>,
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<firstterm>myset1</firstterm> and <firstterm>myset2</firstterm> are ipsets
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and <firstterm>myObject</firstterm> is an NFacct object name.</para>
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<para>+myset</para>
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<para>+myset[src]</para>
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<para>+myset[2]</para>
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<para>+[myset1,myset2[dst]]</para>
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<para>+myset[src](myObject)</para>
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<para>+myset[src,nomatch,packets>100]</para>
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<para>+myset[nomatch,no-update-counters](myObject)</para>
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</refsect1>
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<refsect1>
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<title>FILES</title>
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<para>/etc/shorewall/accounting</para>
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<para>/etc/shorewall6/accounting</para>
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<para>/etc/shorewall/blrules</para>
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<para>/etc/shorewall6/blrules</para>
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<para>/etc/shorewall/hosts -- <emphasis role="bold">Note:</emphasis>
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Multiple matches enclosed in +[...] may not be used in this file.</para>
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<para>/etc/shorewall6/hosts -- <emphasis role="bold">Note:</emphasis>
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Multiple matches enclosed in +[...] may not be used in this file.</para>
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<para>/etc/shorewall/maclist -- <emphasis role="bold">Note:</emphasis>
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Multiple matches enclosed in +[...] may not be used in this file.</para>
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<para>/etc/shorewall6/maclist -- <emphasis role="bold">Note:</emphasis>
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Multiple matches enclosed in +[...] may not be used in this file.</para>
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<para>/etc/shorewall/rules</para>
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<para>/etc/shorewall6/rules</para>
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<para>/etc/shorewall/secmarks</para>
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<para>/etc/shorewall6/secmarks</para>
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<para>/etc/shorewall/mangle</para>
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<para>/etc/shorewall6/mangle</para>
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<para>/etc/shorewall/snat</para>
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<para>/etc/shorewall6/snat</para>
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</refsect1>
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<refsect1>
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<title>See ALSO</title>
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<para>shorewall(8)</para>
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</refsect1>
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</refentry>
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