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242 lines
9.3 KiB
XML
242 lines
9.3 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-actions</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>actions</refname>
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<refpurpose>Shorewall action declaration file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>/etc/shorewall/actions</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>This file allows you to define new ACTIONS for use in rules (see
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<ulink url="/manpages/shorewall-rules.html">shorewall-rules(5)</ulink>).
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You define the iptables rules to be performed in an ACTION in
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/etc/shorewall/action.<emphasis>action-name</emphasis>.</para>
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<para>Columns are:</para>
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<variablelist>
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<varlistentry>
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<term>NAME</term>
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<listitem>
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<para>The name of the action. ACTION names should begin with an
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upper-case letter to distinguish them from Shorewall-generated chain
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names and be composed of letters, digits or numbers. If you intend
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to log from the action then the name must be no longer than 11
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characters in length if you use the standard LOGFORMAT.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>OPTIONS</term>
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<listitem>
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<para>Added in Shorewall 4.5.10. Available options are:</para>
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<variablelist>
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<varlistentry>
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<term><option>audit</option></term>
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<listitem>
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<para>Added in Shorewall 5.0.7. When this option is specified,
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the action is expected to have at least two parameters; the
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first is a target and the second is either 'audit' or omitted.
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If the second is 'audit', then the first must be an auditable
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target (ACCEPT, DROP or REJECT).</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>builtin</option></term>
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<listitem>
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<para>Added in Shorewall 4.5.16. Defines the action as a rule
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target that is supported by your iptables but is not directly
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supported by Shorewall. The action may be used as the rule
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target in an INLINE rule in <ulink
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url="/manpages/shorewall-rules.html">shorewall-rules</ulink>(5).</para>
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<para>Beginning with Shorewall 4.6.0, the Netfilter table(s)
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in which the <emphasis role="bold">builtin</emphasis> can be
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used may be specified: <emphasis
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role="bold">filter</emphasis>, <emphasis
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role="bold">nat</emphasis>, <emphasis
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role="bold">mangle</emphasis> and <emphasis
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role="bold">raw</emphasis>. If no table name(s) are given,
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then <emphasis role="bold">filter</emphasis> is assumed. The
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table names follow <emphasis role="bold">builtin</emphasis>
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and are separated by commas; for example, "FOOBAR
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builtin,filter,mangle" would specify FOOBAR as a builtin
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target that can be used in the filter and mangle
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tables.</para>
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<para>Beginning with Shorewall 4.6.4, you may specify the
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<emphasis role="bold">terminating</emphasis> option with
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<emphasis role="bold">builtin</emphasis> to indicate to the
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Shorewall optimizer that the action is terminating (the
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current packet will not be passed to the next rule in the
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chain).</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>inline</option></term>
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<listitem>
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<para>Causes the action body (defined in
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action.<replaceable>action-name</replaceable>) to be expanded
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in-line like a macro rather than in its own chain. You can
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list Shorewall Standard Actions in this file to specify the
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<option>inline</option> option.</para>
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<caution>
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<para>Some of the Shorewall standard actions cannot be used
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in-line and will generate a warning and the compiler will
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ignore <option>inline</option> if you try to use them that
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way:</para>
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<simplelist>
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<member>DropSmurfs</member>
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<member>IfEvent</member>
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<member>Invalid (Prior to Shorewall 4.5.13)</member>
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<member>NotSyn (Prior to Shorewall 4.5.13)</member>
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<member>RST (Prior to Shorewall 4.5.13)</member>
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<member>TCPFlags</member>
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</simplelist>
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</caution>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>logjump</option></term>
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<listitem>
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<para>Added in Shorewall 5.0.8. Performs the same function as
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<option>nolog</option> (below), with the addition that the
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jump to the actions chain is logged if a log level is
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specified on the action invocation. For inline actions, this
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option is identical to <option>nolog</option>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>mangle</option></term>
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<listitem>
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<para>Added in Shorewall 5.0.7. Specifies that this action is
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to be used in <ulink
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url="shorewall-mangle.html">shorewall-mangle(5)</ulink> rather
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than <ulink
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url="shorewall-rules.html">shorewall-rules(5)</ulink>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>nat</option></term>
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<listitem>
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<para>Added in Shorewall 5.0.13. Specifies that this action is
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to be used in <ulink
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url="shorewall-snat.html">shorewall-snat(5)</ulink> rather
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than <ulink
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url="shorewall-rules.html">shorewall-rules(5)</ulink>. The
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<option>mangle</option> and <option>nat</option> options are
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mutually exclusive.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>noinline</option></term>
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<listitem>
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<para>Causes any later <option>inline</option> option for the
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same action to be ignored with a warning.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>nolog</option></term>
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<listitem>
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<para>Added in Shorewall 4.5.11. When this option is
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specified, the compiler does not automatically apply the log
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level and/or tag from the invocation of the action to all
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rules inside of the action. Rather, it simply sets the
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$_loglevel and $_logtag shell variables which can be used
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within the action body to apply those logging options only to
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a subset of the rules.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>state</option>={<option>UNTRACKED</option>|<option>NEW</option>|<option>ESTABLISHED</option>|<option>RELATED</option>|<option>INVALID</option>}</term>
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<listitem>
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<para>Added in Shorewall 5.0.7. Reserved for use by Shorewall
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in <filename>actions.std</filename>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>terminating</option></term>
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<listitem>
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<para>Added in Shorewall 4.6.4. When used with
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<replaceable>builtin</replaceable>, indicates that the
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built-in action is termiating (i.e., if the action is jumped
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to, the next rule in the chain is not evaluated).</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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</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/actions</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="/Actions.html">http://www.shorewall.net/Actions.html</ulink></para>
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<para>shorewall(8), shorewall-accounting(5), shorewall-blacklist(5),
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shorewall-hosts(5), shorewall_interfaces(5), shorewall-ipsets(5),
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shorewall-maclist(5), shorewall-masq(5), shorewall-nat(5),
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shorewall-netmap(5), shorewall-params(5), shorewall-policy(5),
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shorewall-providers(5), shorewall-proxyarp(5), shorewall-rtrules(5),
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shorewall-routestopped(5), shorewall-rules(5), shorewall.conf(5),
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shorewall-secmarks(5), shorewall-tcclasses(5), shorewall-tcdevices(5),
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shorewall-mangle(5), shorewall-tos(5), shorewall-tunnels(5),
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shorewall-zones(5)</para>
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</refsect1>
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</refentry>
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