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shorewall_code/Shorewall6/manpages/shorewall6.xml
Tom Eastep 0414166d6d 'show connections' enhancement 
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<refentry>
<refmeta>
<refentrytitle>shorewall6</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo>Administrative Commands</refmiscinfo>
</refmeta>
<refnamediv>
<refname>shorewall6</refname>
<refpurpose>Administration tool for Shoreline Firewall 6
(Shorewall6)</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg rep="norepeat">-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>add {</option></arg>
<arg choice="plain"
rep="repeat"><replaceable>interface</replaceable>[:<replaceable>host-list</replaceable>]</arg>
<arg choice="plain"><replaceable>zone | zone host-list
</replaceable><option>}</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>allow</option></arg>
<arg choice="plain"><replaceable>address</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>call</option></arg>
<arg
choice="plain"><replaceable>function</replaceable><arg><replaceable>parameter</replaceable>
...</arg></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="opt"><option>check | ck </option></arg>
<arg><option>-e</option></arg>
<arg><option>-d</option></arg>
<arg><option>-p</option></arg>
<arg><option>-r</option></arg>
<arg><option>-T</option></arg>
<arg><option>-i</option></arg>
<arg><replaceable>directory</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>clear</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>close</option><arg choice="req">
<replaceable>open-number</replaceable> |
<replaceable>source</replaceable><replaceable>dest</replaceable><arg><replaceable>protocol</replaceable><arg>
<replaceable>port</replaceable> </arg></arg></arg><replaceable>
</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="opt"><option>compile | co </option></arg>
<arg><option>-e</option></arg>
<arg><option>-d</option></arg>
<arg><option>-T</option></arg>
<arg><option>-i</option></arg>
<arg><replaceable>directory</replaceable></arg>
<arg choice="opt"><replaceable>pathname</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg rep="norepeat">-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>delete {</option></arg>
<arg choice="plain"
rep="repeat"><replaceable>interface</replaceable>[:<replaceable>host-list</replaceable>]</arg>
<arg choice="plain"><replaceable>zone | zone host-list
</replaceable><option>}</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>disable</option></arg>
<arg choice="plain">{ <replaceable>interface</replaceable> |
<replaceable>provider</replaceable> }</arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>drop</option></arg>
<arg choice="plain"><replaceable>address</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>dump</option></arg>
<arg><option>-x</option></arg>
<arg><option>-l</option></arg>
<arg><option>-m</option></arg>
<arg><option>-c</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>enable</option></arg>
<arg choice="plain">{ <replaceable>interface</replaceable> |
<replaceable>provider</replaceable> }</arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>export</option></arg>
<arg choice="opt"><replaceable>directory1</replaceable></arg>
<arg
choice="plain">[<replaceable>user</replaceable>@]<replaceable>system</replaceable>[<option>:</option><replaceable>directory2</replaceable>]</arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>forget</option></arg>
<arg><replaceable>filename</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>help</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>iptrace</option></arg>
<arg choice="plain"><replaceable>iptables match
expression</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>load</option></arg>
<arg><option>-s</option></arg>
<arg><option>-c</option></arg>
<arg><option>-r</option> <replaceable>root-user-name</replaceable></arg>
<arg><option>-T</option></arg>
<arg><option>-i</option></arg>
<arg><replaceable>directory</replaceable></arg>
<arg choice="plain"><replaceable>system</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>logdrop</option></arg>
<arg choice="plain"><replaceable>address</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>logwatch</option></arg>
<arg><option>-m</option></arg>
<arg><replaceable>refresh-interval</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>logreject</option></arg>
<arg choice="plain"><replaceable>address</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>noiptrace</option></arg>
<arg choice="plain"><replaceable>iptables match
expression</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>open</option><replaceable>
source</replaceable><replaceable> dest</replaceable><arg>
<replaceable>protocol</replaceable><arg> <replaceable>port</replaceable>
</arg> </arg></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>reenable</option></arg>
<arg choice="plain">{ <replaceable>interface</replaceable> |
<replaceable>provider</replaceable> }</arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg
choice="plain"><option>refresh</option><arg><option>-n</option></arg><arg><option>-d</option></arg><arg><option>-T</option></arg><arg><option>-i</option></arg><arg>-<option>D</option>
<replaceable>directory</replaceable> </arg><arg
rep="repeat"><replaceable>chain</replaceable></arg></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>reject</option></arg>
<arg choice="plain"><replaceable>address</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>reload</option></arg>
<arg><option>-s</option></arg>
<arg><option>-c</option></arg>
<arg><option>-r</option> <replaceable>root-user-name</replaceable></arg>
<arg><option>-T</option></arg>
<arg><option>-i</option></arg>
<arg><replaceable>directory</replaceable></arg>
<arg choice="plain"><replaceable>system</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>reset</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>restart</option></arg>
<arg><option>-n</option></arg>
<arg><option>-f</option></arg>
<arg><option>-c</option></arg>
<arg><option>-T</option></arg>
<arg><option>-i</option><arg><option>-C</option></arg></arg>
<arg><replaceable>directory</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg
choice="plain"><option>restore</option><arg><option>-C</option></arg></arg>
<arg><replaceable>filename</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>run</option></arg>
<arg choice="plain"><replaceable>command</replaceable></arg>
<arg><replaceable>parameter ...</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>safe-restart</option></arg>
<arg><option>-d</option></arg>
<arg><option>-t</option> <replaceable>timeout</replaceable></arg>
<arg><replaceable>directory</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>safe-start</option></arg>
<arg><option>-d</option></arg>
<arg><option>-t</option> <replaceable>timeout</replaceable></arg>
<arg><replaceable>directory</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg
choice="plain"><option>save</option><arg><option>-C</option></arg></arg>
<arg choice="opt"><replaceable>filename</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>savesets</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg><option>-x</option></arg>
<arg choice="plain"><option>{bl|blacklists}</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg><option>-b</option></arg>
<arg><option>-x</option></arg>
<arg><option>-l</option></arg>
<arg><option>-t</option>
{<option>filter</option>|<option>mangle</option>|<option>raw</option>}</arg>
<arg><arg><option>chain</option></arg><arg choice="plain"
rep="repeat"><replaceable>chain</replaceable></arg></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg><option>-f</option></arg>
<arg choice="plain"><option>capabilities</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg
choice="req"><option>actions|classifiers|connections|config|events|filters|ip|macros|zones|policies|tc|marks</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg choice="plain"><option>event</option><arg
choice="plain"><replaceable>event</replaceable></arg></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg><option>-c</option></arg>
<arg choice="plain"><option>routing</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg><option>-x</option></arg>
<arg choice="req"><option>mangle|nat|raw|rawpost</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg choice="plain"><option>tc</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="req"><option>show | list | ls </option></arg>
<arg><option>-m</option></arg>
<arg choice="plain"><option>log</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>start</option></arg>
<arg><option>-n</option></arg>
<arg><option>-f</option></arg>
<arg><option>-c</option></arg>
<arg><option>-T</option></arg>
<arg><option>-i</option><arg><option>-C</option></arg></arg>
<arg><replaceable>directory</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>stop</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><arg
choice="plain"><option>status</option><arg><option>-i</option></arg></arg></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg
choice="opt"><option>trace</option>|<option>debug</option><arg><option>nolock</option></arg></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>try</option></arg>
<arg choice="plain"><replaceable>directory</replaceable></arg>
<arg><replaceable>timeout</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg choice="plain"><option>update</option></arg>
<arg><option>-b</option></arg>
<arg><option>-d</option></arg>
<arg><option>-r</option></arg>
<arg><option>-T</option></arg>
<arg><option>-a</option></arg>
<arg><option>-D</option></arg>
<arg><option>-i</option></arg>
<arg><option>-t</option></arg>
<arg><option>-A</option></arg>
<arg><replaceable>directory</replaceable></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>shorewall6</command>
<arg choice="opt"><option>trace</option>|<option>debug</option></arg>
<arg>-<replaceable>options</replaceable></arg>
<arg
choice="plain"><option>version</option><arg><option>-a</option></arg></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>The shorewall6 utility is used to control the Shoreline Firewall 6
(Shorewall6).</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The <option>trace</option> and <option>debug</option> options are
used for debugging. See <ulink
url="/starting_and_stopping_shorewall.htm#Trace">http://www.shorewall.net/starting_and_stopping_shorewall.htm#Trace</ulink>.</para>
<para>The <option>nolock</option> option prevents the command from
attempting to acquire the Shorewall6 lockfile. It is useful if you need to
include <command>shorewall6</command> commands in
<filename>/etc/shorewall6/started</filename>.</para>
<para>The <emphasis>options</emphasis> control the amount of output that
the command produces. They consist of a sequence of the letters <emphasis
role="bold">v</emphasis> and <emphasis role="bold">q</emphasis>. If the
options are omitted, the amount of output is determined by the setting of
the VERBOSITY parameter in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5). Each
<emphasis role="bold">v</emphasis> adds one to the effective verbosity and
each <emphasis role="bold">q</emphasis> subtracts one from the effective
VERBOSITY. Alternatively, <emphasis role="bold">v</emphasis> may be
followed immediately with one of -1,0,1,2 to specify a specify VERBOSITY.
There may be no white-space between <emphasis role="bold">v</emphasis> and
the VERBOSITY.</para>
<para>The <emphasis>options</emphasis> may also include the letter
<option>t</option> which causes all progress messages to be
timestamped.</para>
</refsect1>
<refsect1>
<title>Commands</title>
<para>The available commands are listed below.</para>
<variablelist>
<varlistentry>
<term><emphasis role="bold">add </emphasis>{
<replaceable>interface</replaceable>[:<replaceable>host-list</replaceable>]...
<replaceable>zone</replaceable> | <replaceable>zone</replaceable>
<replaceable>host-list</replaceable> }</term>
<listitem>
<para>Added in Shorewall 4.4.21. Adds a list of hosts or subnets to
a dynamic zone usually used with VPN's.</para>
<para>The <emphasis>interface</emphasis> argument names an interface
defined in the <ulink
url="/manpages6/shorewall6-interfaces.html">shorewall6-interfaces</ulink>(5)
file. A <emphasis>host-list</emphasis> is comma-separated list whose
elements are host or network addresses.<caution>
<para>The <command>add</command> command is not very robust. If
there are errors in the <replaceable>host-list</replaceable>,
you may see a large number of error messages yet a subsequent
<command>shorewall show zones</command> command will indicate
that all hosts were added. If this happens, replace
<command>add</command> by <command>delete</command> and run the
same command again. Then enter the correct command.</para>
</caution></para>
<para>Beginning with Shorewall 4.5.9, the <emphasis
role="bold">dynamic_shared</emphasis> zone option (<ulink
url="/manpages6/shorewall6-zones.html">shorewall6-zones</ulink>(5))
allows a single ipset to handle entries for multiple interfaces.
When that option is specified for a zone, the <command>add</command>
command has the alternative syntax in which the
<replaceable>zone</replaceable> name precedes the
<replaceable>host-list</replaceable>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">allow
</emphasis><replaceable>address</replaceable></term>
<listitem>
<para>Re-enables receipt of packets from hosts previously
blacklisted by a <emphasis role="bold">drop</emphasis>, <emphasis
role="bold">logdrop</emphasis>, <emphasis
role="bold">reject</emphasis>, or <emphasis
role="bold">logreject</emphasis> command.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">call <replaceable>function</replaceable> [
<replaceable>parameter</replaceable> ... ]</emphasis></term>
<listitem>
<para>Added in Shorewall 4.6.10. Allows you to call a function in
one of the Shorewall libraries or in your compiled script. function
must name the shell function to be called. The listed parameters are
passed to the function.</para>
<para>The function is first searched for in
<filename>lib.base</filename>, <filename>lib.common</filename>,
<filename>lib.cli</filename> and <filename>lib.cli-std</filename>.
If it is not found, the call command is passed to the generated
script to be executed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">check </emphasis>[-<option>e</option>]
[-<option>d</option>] [-<option>p</option>] [-<option>r</option>]
[-<option>T</option>] [-<option>i</option>]
[<replaceable>directory</replaceable>]</term>
<listitem>
<para>Compiles the configuration in the specified
<emphasis>directory</emphasis> and discards the compiled output
script. If no <emphasis>directory</emphasis> is given, then
<filename class="directory">/etc/shorewall6</filename> is
assumed.</para>
<para>The <option>-e</option> option causes the compiler to look for
a file named capabilities. This file is produced using the command
<command>shorewall6-lite show -f capabilities &gt;
capabilities</command> on a system with Shorewall6 Lite
installed.</para>
<para>The <option>-d</option> option causes the compiler to be run
under control of the Perl debugger.</para>
<para>The <option>-p</option> option causes the compiler to be
profiled via the Perl <option>-wd:DProf</option> command-line
option.</para>
<para>The <option>-r</option> option was added in Shorewall 4.5.2
and causes the compiler to print the generated ruleset to standard
out.</para>
<para>The <option>-T</option> option was added in Shorewall 4.4.20
and causes a Perl stack trace to be included with each
compiler-generated error and warning message.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf(5)</ulink>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">clear
</emphasis>[-<option>f</option>]</term>
<listitem>
<para>Clear will remove all rules and chains installed by
Shorewall6. The firewall is then wide open and unprotected. Existing
connections are untouched. Clear is often used to see if the
firewall is causing connection problems.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">close</emphasis> {
<replaceable>open-number</replaceable> |
<replaceable>source</replaceable> <replaceable>dest</replaceable> [
<replaceable>protocol</replaceable> [ <replaceable>port</replaceable>
] ] }</term>
<listitem>
<para>Added in Shorewall 4.5.8. This command closes a temporary open
created by the <command>open</command> command. In the first form,
an <replaceable>open-number</replaceable> specifies the open to be
closed. Open numbers are displayed in the <emphasis
role="bold">num</emphasis> column of the output of the
<command>shorewall6 show opens </command>command.</para>
<para>When the second form of the command is used, the parameters
must match those given in the earlier <command>open</command>
command.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">compile </emphasis>[-<option>e</option>]
[-<option>c</option>] [-<option>d</option>] [-<option>p</option>]
[-<option>T</option>] [-<option>i</option>]
[<replaceable>directory</replaceable>]
[<replaceable>pathname</replaceable> ]</term>
<listitem>
<para>Compiles the current configuration into the executable file
<emphasis>pathname</emphasis>. If a directory is supplied,
Shorewall6 will look in that directory first for configuration
files. If the <emphasis>pathname</emphasis> is omitted, the file
firewall in the VARDIR (normally <filename
class="directory">/var/lib/shorewall/</filename>) is assumed. A
<emphasis>pathname</emphasis> of '-' causes the compiler to send the
generated script to it's standard output file. Note that '-v-1' is
usually specified in this case (e.g., <command>shorewall6 -v-1
compile -- -</command>) to suppress the 'Compiling...' message
normally generated by <filename>/sbin/shorewall6</filename>.</para>
<para>When <option>-e</option> is specified, the compilation is
being performed on a system other than where the compiled script
will run. This option disables certain configuration options that
require the script to be compiled where it is to be run. The use of
<option>-e</option> requires the presence of a configuration file
named <filename>capabilities</filename> which may be produced using
the command <command>shorewall6-lite show -f capabilities &gt;
capabilities</command> on a system with Shorewall6 Lite
installed.</para>
<para>The <option>-c</option> option was added in Shorewall 4.5.17
and causes conditional compilation of a script. The script specified
by <replaceable>pathname</replaceable> (or implied if <emphasis
role="bold">pathname</emphasis> is omitted) is compiled if it
doesn't exist or if there is any file in the
<replaceable>directory</replaceable> or in a directory on the
CONFIG_PATH that has a modification time later than the file to be
compiled. When no compilation is needed, a message is issued and an
exit status of zero is returned.</para>
<para>The <option>-d</option> option causes the compiler to be run
under control of the Perl debugger.</para>
<para>The <option>-p</option> option causes the compiler to be
profiled via the Perl <option>-wd:DProf</option> command-line
option.</para>
<para>The <option>-T</option> option was added in Shorewall 4.4.20
and causes a Perl stack trace to be included with each
compiler-generated error and warning message.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf(5)</ulink>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">delete </emphasis>{
<replaceable>interface</replaceable>[:<replaceable>host-list</replaceable>]...
<replaceable>zone</replaceable> | <replaceable>zone</replaceable>
<replaceable>host-list</replaceable> }</term>
<listitem>
<para>Added in Shorewall 4.4.21. The delete command reverses the
effect of an earlier <emphasis role="bold">add</emphasis>
command.</para>
<para>The <emphasis>interface</emphasis> argument names an interface
defined in the <ulink
url="/manpages6/shorewall6-interfaces.html">shorewall6-interfaces</ulink>(5)
file. A <emphasis>host-list</emphasis> is comma-separated list whose
elements are a host or network address.</para>
<para>Beginning with Shorewall 4.5.9, the <emphasis
role="bold">dynamic_shared</emphasis> zone option (<ulink
url="/manpages6/shorewall6-zones.html">shorewall6-zones</ulink>(5))
allows a single ipset to handle entries for multiple interfaces.
When that option is specified for a zone, the
<command>delete</command> command has the alternative syntax in
which the <replaceable>zone</replaceable> name precedes the
<replaceable>host-list</replaceable>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">disable </emphasis><emphasis role="bold">
</emphasis>{ <replaceable>interface</replaceable> |
<replaceable>provider</replaceable> }</term>
<listitem>
<para>Added in Shorewall 4.4.26. Disables the optional provider
associated with the specified <replaceable>interface</replaceable>
or <replaceable>provider</replaceable>. Where more than one provider
share a single network interface, a
<replaceable>provider</replaceable> name must be given.</para>
<para>Beginning with Shorewall 4.5.10, this command may be used with
any optional network interface. <replaceable>interface</replaceable>
may be either the logical or physical name of the interface. The
command removes any routes added from <ulink
url="/manpages6/shorewall6-routes.html">shorewall6-routes</ulink>(5)
and any traffic shaping configuration for the interface.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">drop
</emphasis><replaceable>address</replaceable></term>
<listitem>
<para>Causes traffic from the listed <emphasis>address</emphasis>es
to be silently dropped.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">dump </emphasis>[-<option>x</option>]
[-<option>l</option>] [-<option>m</option>]
[-<option>c</option>]</term>
<listitem>
<para>Produces a verbose report about the firewall configuration for
the purpose of problem analysis.</para>
<para>The <option>-x</option> option causes actual packet and byte
counts to be displayed. Without that option, these counts are
abbreviated.</para>
<para>The <option>-m</option> option causes any MAC addresses
included in Shorewall6 log messages to be displayed.</para>
<para>The <option>-l</option> option causes the rule number for each
Netfilter rule to be displayed.</para>
<para>The <option>-c</option> option causes the route cache to be
dumped in addition to the other routing information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">enable </emphasis>{
<replaceable>interface</replaceable> |
<replaceable>provider</replaceable> }</term>
<listitem>
<para>Added in Shorewall 4.4.26. Enables the optional provider
associated with the specified <replaceable>interface</replaceable>
or <replaceable>provider</replaceable>. Where more than one provider
share a single network interface, a
<replaceable>provider</replaceable> name must be given.</para>
<para>Beginning with Shorewall 4.5.10, this command may be used with
any optional network interface. <replaceable>interface</replaceable>
may be either the logical or physical name of the interface. The
command sets <filename>/proc</filename> entries for the interface,
adds any route specified in <ulink
url="/manpages6/shorewall6-routes.html">shorewall6-routes</ulink>(5)
and installs the interface's traffic shaping configuration, if
any.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">export
</emphasis>[<replaceable>directory1</replaceable> ]
[<replaceable>user</replaceable>@]<replaceable>system</replaceable>[:<replaceable>directory2</replaceable>
]</term>
<listitem>
<para>If <emphasis>directory1</emphasis> is omitted, the current
working directory is assumed.</para>
<para>Allows a non-root user to compile a shorewall6 script and
stage it on a system (provided that the user has access to the
system via ssh). The command is equivalent to:</para>
<programlisting> <emphasis role="bold">/sbin/shorewall6 compile -e</emphasis> <emphasis>directory1</emphasis> <emphasis>directory1</emphasis><emphasis
role="bold">/firewall &amp;&amp;\</emphasis>
<emphasis role="bold">scp</emphasis> directory1<emphasis role="bold">/firewall</emphasis> <emphasis>directory1</emphasis><emphasis
role="bold">/firewall.conf</emphasis> [<emphasis>user</emphasis>@]<emphasis
role="bold">system</emphasis>:[<emphasis>directory2</emphasis>]</programlisting>
<para>In other words, the configuration in the specified (or
defaulted) directory is compiled to a file called firewall in that
directory. If compilation succeeds, then firewall and firewall.conf
are copied to <emphasis>system</emphasis> using scp.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">forget </emphasis>[
<replaceable>filename</replaceable> ]</term>
<listitem>
<para>Deletes <filename>/var/lib/shorewall6/<replaceable>filename
</replaceable></filename> and <filename>/var/lib/shorewall6/save
</filename>. If no <emphasis>filename</emphasis> is given then the
file specified by RESTOREFILE in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5) is
assumed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">help</emphasis></term>
<listitem>
<para>Displays a syntax summary.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">iptrace </emphasis><replaceable>ip6tables
match expression</replaceable></term>
<listitem>
<para>This is a low-level debugging command that causes iptables
TRACE log records to be created. See ip6tables(8) for
details.</para>
<para>The <replaceable>ip6tables match expression</replaceable> must
be one or more matches that may appear in both the raw table OUTPUT
and raw table PREROUTING chains.</para>
<para>The log message destination is determined by the
currently-selected IPv6 <ulink
url="/shorewall_logging.html#Backends">logging
backend</ulink>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">list</emphasis></term>
<listitem>
<para><command>list</command> is a synonym for
<command>show</command> -- please see below.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">load </emphasis> [-<option>s</option>]
[-<option>c</option>] [-<option>r</option>
<replaceable>root-user-name</replaceable>] [-<option>T</option>]
[-<option>i</option>] [ <replaceable>directory</replaceable> ]
<replaceable>system</replaceable></term>
<listitem>
<para>If <emphasis>directory</emphasis> is omitted, the current
working directory is assumed. Allows a non-root user to compile a
shorewall6 script and install it on a system (provided that the user
has root access to the system via ssh). The command is equivalent
to:</para>
<programlisting> <emphasis role="bold">/sbin/shorewall6 compile -e</emphasis> <emphasis><replaceable>directory</replaceable></emphasis> <replaceable>directory</replaceable><emphasis
role="bold">/firewall &amp;&amp;\</emphasis>
<emphasis role="bold">scp</emphasis> <emphasis>directory</emphasis><emphasis
role="bold">/firewall</emphasis> <emphasis>directory</emphasis><emphasis
role="bold">/firewall.conf</emphasis> <emphasis role="bold">root@</emphasis><replaceable>system</replaceable><emphasis
role="bold">:/var/lib/shorewall6-lite/ &amp;&amp;\</emphasis>
<emphasis role="bold">ssh root@</emphasis><replaceable>system</replaceable> <emphasis
role="bold">'/sbin/shorewall6-lite start'</emphasis></programlisting>
<para>In other words, the configuration in the specified (or
defaulted) directory is compiled to a file called firewall in that
directory. If compilation succeeds, then firewall is copied to
<replaceable>system</replaceable> using scp. If the copy succeeds,
Shorewall6 Lite on <replaceable>system</replaceable> is started via
ssh.</para>
<para>If <option>-s</option> is specified and the <emphasis
role="bold">start</emphasis> command succeeds, then the remote
Shorewall6-lite configuration is saved by executing
<command>shorewall6-lite save</command> via ssh.</para>
<para>if <option>-c</option> is included, the command
<command>shorewall6-lite show capabilities -f &gt;
/var/lib/shorewall6-lite/capabilities</command> is executed via ssh
then the generated file is copied to
<replaceable>directory</replaceable> using scp. This step is
performed before the configuration is compiled.</para>
<para>If <option>-r</option> is included, it specifies that the root
user on <replaceable>system</replaceable> is named
<replaceable>root-user-name</replaceable> rather than "root".</para>
<para>The <option>-T</option> option was added in Shorewall 4.5.3
and causes a Perl stack trace to be included with each
compiler-generated error and warning message.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">logdrop
</emphasis><replaceable>address</replaceable></term>
<listitem>
<para>Causes traffic from the listed <emphasis>address</emphasis>es
to be logged then discarded. Logging occurs at the log level
specified by the BLACKLIST_LOGLEVEL setting in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>
(5).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">logwatch </emphasis>[-<option>m</option>]
[<replaceable>refresh-interval</replaceable>]</term>
<listitem>
<para>Monitors the log file specified by the LOGFILE option in
<ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5) and
produces an audible alarm when new Shorewall6 messages are logged.
The <option>-m</option> option causes the MAC address of each packet
source to be displayed if that information is available. The
<replaceable>refresh-interval</replaceable> specifies the time in
seconds between screen refreshes. You can enter a negative number by
preceding the number with "--" (e.g., <command>shorewall6 logwatch
-- -30</command>). In this case, when a packet count changes, you
will be prompted to hit any key to resume screen refreshes.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">logreject</emphasis>
<replaceable>address</replaceable></term>
<listitem>
<para>Causes traffic from the listed <emphasis>address</emphasis>es
to be logged then rejected. Logging occurs at the log level
specified by the BLACKLIST_LOGLEVEL setting in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>
(5).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">ls</emphasis></term>
<listitem>
<para><command>ls</command> is a synonym for <command>show</command>
-- please see below.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">noiptrace
</emphasis><replaceable>ip6tables match
expression</replaceable></term>
<listitem>
<para>This is a low-level debugging command that cancels a trace
started by a preceding <command>iptrace</command> command.</para>
<para>The <replaceable>iptables match expression</replaceable> must
be one given in the <command>iptrace</command> command being
canceled.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">open</emphasis>
<replaceable>source</replaceable> <replaceable>dest</replaceable> [
<replaceable>protocol</replaceable> [ <replaceable>port</replaceable>
] ]</term>
<listitem>
<para>Added in Shorewall 4.6.8. This command requires that the
firewall be in the started state and that DYNAMIC_BLACKLIST=Yes in
<ulink url="/manpages6/shorewall6.conf.html">shorewall6.conf
(5)</ulink>. The effect of the command is to temporarily open the
firewall for connections matching the parameters.</para>
<para>The <replaceable>source</replaceable> and
<replaceable>dest</replaceable> parameters may each be specified as
<emphasis role="bold">all</emphasis> if you don't wish to restrict
the connection source or destination respectively. Otherwise, each
must contain a host or network address or a valid DNS name.</para>
<para>The <replaceable>protocol</replaceable> may be specified
either as a number or as a name listed in /etc/protocols. The
<replaceable>port</replaceable> may be specified numerically or as a
name listed in /etc/services.</para>
<para>To reverse the effect of a successful <command>open</command>
command, use the <command>close</command> command with the same
parameters or simply restart the firewall.</para>
<para>Example: To open the firewall for SSH connections to address
2001:470:b:227::1, the command would be:</para>
<programlisting> shorewall6 open all 2001:470:b:227::1 tcp 22</programlisting>
<para>To reverse that command, use:</para>
<programlisting> shorewall6 close all 2001:470:b:227::1 tcp 22</programlisting>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">reenable</emphasis>{
<replaceable>interface</replaceable> |
<replaceable>provider</replaceable> }</term>
<listitem>
<para>Added in Shorewall 4.6.9. This is equivalent to a
<command>disable</command> command followed by an
<command>enable</command> command on the specified
<replaceable>interface</replaceable> or
<replaceable>provider</replaceable>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">refresh </emphasis>[-<option>n</option>]
[-<option>d</option>] [-<option>T</option>] [-i]
[-<option>D</option><replaceable>directory</replaceable> ] [
<replaceable>chain</replaceable>... ]</term>
<listitem>
<para>All steps performed by <command>restart</command> are
performed by <command>refresh</command> with the exception that
<command>refresh</command> only recreates the chains specified in
the command while <command>restart</command> recreates the entire
Netfilter ruleset.When no chain name is given to the
<command>refresh</command> command, the mangle table is refreshed
along with the blacklist chain (if any). This allows you to modify
<filename>/etc/shorewall6/tcrules</filename>and install the changes
using <command>refresh</command>.</para>
<para>The listed chains are assumed to be in the filter table. You
can refresh chains in other tables by prefixing the chain name with
the table name followed by ":" (e.g., nat:net_dnat). Chain names
which follow are assumed to be in that table until the end of the
list or until an entry in the list names another table. Built-in
chains such as FORWARD may not be refreshed.</para>
<para>The <option>-n</option> option was added in Shorewall 4.5.3
causes Shorewall to avoid updating the routing table(s).</para>
<para>The <option>-d</option> option was added in Shorewall 4.5.3
causes the compiler to run under the Perl debugger.</para>
<para>The <option>-T</option> option was added in Shorewall 4.5.3
and causes a Perl stack trace to be included with each
compiler-generated error and warning message.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).</para>
<para>The -<option>D</option> option was added in Shorewall 4.5.3
and causes Shorewall to look in the given
<emphasis>directory</emphasis> first for configuration files.</para>
<example>
<title>Refresh the 'net-fw' chain in the filter table and the
'net_dnat' chain in the nat table</title>
<programlisting><command>shorewall6 refresh net-fw nat:net_dnat
</command></programlisting>
</example>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">reject</emphasis><replaceable>
address</replaceable></term>
<listitem>
<para>Causes traffic from the listed <emphasis>address</emphasis>es
to be silently rejected.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">reload </emphasis>[-<option>s</option>]
[-<option>c</option>] [-<option>r</option>
<replaceable>root-user-name</replaceable>] [-<option>T</option>]
[-<option>i</option>] [ <replaceable>directory</replaceable> ]
<replaceable>system</replaceable></term>
<listitem>
<para>If <emphasis>directory</emphasis> is omitted, the current
working directory is assumed. Allows a non-root user to compile a
shorewall6 script and install it on a system (provided that the user
has root access to the system via ssh). The command is equivalent
to:</para>
<programlisting> <emphasis role="bold">/sbin/shorewall6 compile -e</emphasis> <emphasis>directory</emphasis> <emphasis>directory</emphasis><emphasis
role="bold">/firewall &amp;&amp;\</emphasis>
<emphasis role="bold">scp</emphasis> <emphasis>directory</emphasis><emphasis
role="bold">/firewall</emphasis> <emphasis>directory</emphasis><emphasis
role="bold">/firewall.conf</emphasis> <emphasis role="bold">root@</emphasis><emphasis>system</emphasis><emphasis
role="bold">:/var/lib/shorewall6-lite/ &amp;&amp;\</emphasis>
<emphasis role="bold">ssh root@</emphasis><emphasis>system</emphasis> <emphasis
role="bold">'/sbin/shorewall6-lite restart'</emphasis></programlisting>
<para>In other words, the configuration in the specified (or
defaulted) directory is compiled to a file called firewall in that
directory. If compilation succeeds, then firewall is copied to
<emphasis>system</emphasis> using scp. If the copy succeeds,
Shorewall6 Lite on <emphasis>system</emphasis> is restarted via
ssh.</para>
<para>If <option>-s</option> is specified and the
<command>restart</command> command succeeds, then the remote
Shorewall6-lite configuration is saved by executing
<command>shorewall6-lite save</command> via ssh.</para>
<para>if <option>-c</option> is included, the command
<command>shorewall6-lite show capabilities -f &gt;
/var/lib/shorewall6-lite/capabilities</command> is executed via ssh
then the generated file is copied to <emphasis>directory</emphasis>
using scp. This step is performed before the configuration is
compiled.</para>
<para>If <option>-r</option> is included, it specifies that the root
user on <replaceable>system</replaceable> is named
<replaceable>root-user-name</replaceable> rather than "root".</para>
<para>The <option>-T</option> option was added in Shorewall 4.5.3
and causes a Perl stack trace to be included with each
compiler-generated error and warning message.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">reset [<replaceable>chain</replaceable>,
...]</emphasis><acronym/></term>
<listitem>
<para>Resets the packet and byte counters in the specified
<replaceable>chain</replaceable>(s). If no
<replaceable>chain</replaceable> is specified, all the packet and
byte counters in the firewall are reset.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">restart </emphasis>[-<option>n</option>]
[-<option>p</option>] [-<option>d</option>] [-<option>f</option>]
[-<option>c</option>] [-<option>T</option>] [-<option>i</option>]
[-<option>C</option>] [ <replaceable>directory</replaceable> ]</term>
<listitem>
<para>Restart is similar to <command>shorewall6 start</command>
except that it assumes that the firewall is already started.
Existing connections are maintained. If a
<emphasis>directory</emphasis> is included in the command,
Shorewall6 will look in that <emphasis>directory</emphasis> first
for configuration files.</para>
<para>The <option>-n</option> option causes Shorewall6 to avoid
updating the routing table(s).</para>
<para>The <option>-p</option> option causes the connection tracking
table to be flushed; the <command>conntrack</command> utility must
be installed to use this option.</para>
<para>The <option>-d</option> option causes the compiler to run
under the Perl debugger.</para>
<para>The <option>-f</option> option suppresses the compilation step
and simply reused the compiled script which last started/restarted
Shorewall, provided that <filename class="directory">/etc/shorewall6
</filename> and its contents have not been modified since the last
start/restart.</para>
<para>The <option>-c</option> option was added in Shorewall 4.4.20
and performs the compilation step unconditionally, overriding the
AUTOMAKE setting in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).
When both <option>-f</option> and <option>-c</option> are present,
the result is determined by the option that appears last.</para>
<para>The <option>-T</option> option was added in Shorewall 4.5.3
and causes a Perl stack trace to be included with each
compiler-generated error and warning message.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).</para>
<para>The <option>-C</option> option was added in Shorewall 4.6.5
and is only meaningful when AUTOMAKE=Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5). If
an existing firewall script is used and if that script was the one
that generated the current running configuration, then the running
netfilter configuration will be reloaded as is so as to preserve the
iptables packet and byte counters.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">restore </emphasis>[-<option>n</option>]
[-<option>p</option>] [-<option>C</option>] [
<replaceable>filename</replaceable> ]</term>
<listitem>
<para>Restore Shorewall6 to a state saved using the
<command>shorewall6 save</command> command. Existing connections are
maintained. The <emphasis>filename</emphasis> names a restore file
in <filename class="directory">/var/lib/shorewall6</filename>
created using <command>shorewall6 save</command>; if no
<emphasis>filename</emphasis> is given then Shorewall6 will be
restored from the file specified by the RESTOREFILE option in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).</para>
<caution>
<para>If your ip6tables ruleset depends on variables that are
detected at run-time, either in your params file or by
Shorewall-generated code, <command>restore</command> will use the
values that were current when the ruleset was saved, which may be
different from the current values.</para>
</caution>
<para>The <option>-C</option> option was added in Shorewall 4.6.5.
If the <option>-C</option> option was specified during
<command>shorewall6 save</command>, then the counters saved by that
operation will be restored.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">run</emphasis><emphasis role="bold">
</emphasis><replaceable>command</replaceable> [
<replaceable>parameter</replaceable> ... ]</term>
<listitem>
<para>Added in Shorewall 4.6.3. Executes
<replaceable>command</replaceable> in the context of the generated
script passing the supplied <replaceable>parameter</replaceable>s.
Normally, the <replaceable>command</replaceable> will be a function
declared in <filename>lib.private</filename>.</para>
<para>Before executing the <replaceable>command</replaceable>, the
script will detect the configuration, setting all SW_* variables and
will run your <filename>init</filename> extension script with
$COMMAND = 'run'.</para>
<para>If there are files in the CONFIG_PATH that were modified after
the current firewall script was generated, the following warning
message is issued before the script's run command is executed:
<screen>WARNING: /var/lib/shorewall6/firewall is not up to
date</screen></para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">safe-restart
</emphasis>[-<option>d</option>] [-<option>p</option>]
[-<option>t</option><replaceable>timeout</replaceable> ] [
<replaceable>directory</replaceable> ]</term>
<listitem>
<para>Only allowed if Shorewall6 is running. The current
configuration is saved in <filename>/var/lib/shorewall6/safe-restart
</filename> (see the <emphasis role="bold">save</emphasis> command
below) then a <command>shorewall6 restart</command> is done. You
will then be prompted asking if you want to accept the new
configuration or not. If you answer "n" or if you fail to answer
within 60 seconds (such as when your new configuration has disabled
communication with your terminal), the configuration is restored
from the saved configuration. If a directory is given, then
Shorewall6 will look in that directory first when opening
configuration files.</para>
<para>Beginning with Shorewall 4.5.0, you may specify a different
<replaceable>timeout</replaceable> value using the
<option>-t</option> option. The numeric
<replaceable>timeout</replaceable> may optionally be followed by an
<option>s</option>, <option>m</option> or <option>h</option> suffix
(e.g., 5m) to specify seconds, minutes or hours respectively. If the
suffix is omitted, seconds is assumed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">safe-start
</emphasis>[-<option>d</option>] [-<option>p</option>]
[-<option>t</option><replaceable>timeout</replaceable> ] [
<replaceable>directory</replaceable> ]</term>
<listitem>
<para>Shorewall6 is started normally. You will then be prompted
asking if everything went all right. If you answer "n" or if you
fail to answer within 60 seconds (such as when your new
configuration has disabled communication with your terminal), a
shorewall6 clear is performed for you. If a directory is given, then
Shorewall6 will look in that directory first when opening
configuration files.</para>
<para>Beginning with Shorewall 4.5.0, you may specify a different
<replaceable>timeout</replaceable> value using the
<option>-t</option> option. The numeric
<replaceable>timeout</replaceable> may optionally be followed by an
<option>s</option>, <option>m</option> or <option>h</option> suffix
(e.g., 5m) to specify seconds, minutes or hours respectively. If the
suffix is omitted, seconds is assumed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">save </emphasis>[-<option>C</option>] [
<replaceable>filename</replaceable> ]</term>
<listitem>
<para>The dynamic blacklist is stored in <filename>
/var/lib/shorewall6/save</filename>. The state of the firewall is
stored in <filename>
/var/lib/shorewall6/<replaceable>filename</replaceable></filename>
for use by the <command>shorewall6 restore</command> and <command>
shorewall6 -f start</command> commands. If <emphasis>filename
</emphasis> is not given then the state is saved in the file
specified by the RESTOREFILE option in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).</para>
<para>The <option>-C</option> option, added in Shorewall 4.6.5,
causes the ip6tables packet and byte counters to be saved along with
the chains and rules.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">savesets</emphasis></term>
<listitem>
<para>Added in shorewall 4.6.8. Performs the same action as the
<command>stop</command> command with respect to saving ipsets (see
the SAVE_IPSETS option in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink> (5)).
This command may be used to proactively save your ipset contents in
the event that a system failure occurs prior to issuing a
<command>stop</command> command.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">show</emphasis></term>
<listitem>
<para>The show command can have a number of different
arguments:</para>
<variablelist>
<varlistentry>
<term><emphasis role="bold">actions</emphasis></term>
<listitem>
<para>Produces a report about the available actions (built-in,
standard and user-defined).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>[-<option>x</option>] <emphasis role="bold">bl|blacklists
</emphasis></term>
<listitem>
<para>Added in Shorewall 4.6.2. Displays the dynamic chain
along with any chains produced by entries in
shorewall-blrules(5).The <option>-x</option> option is passed
directly through to ip6tables and causes actual packet and
byte counts to be displayed. Without this option, those counts
are abbreviated.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>[-<option>f</option>] <emphasis
role="bold">capabilities</emphasis></term>
<listitem>
<para>Displays your kernel/ip6tables capabilities. The
<option>-f</option> option causes the display to be formatted
as a capabilities file for use with <command>shorewall6
compile -e</command>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>[-<option>b</option>] [-<option>x</option>]
[-<option>l</option>] [-<option>t</option>
{<option>filter</option>|<option>mangle</option>|<option>nat</option>|<option>raw</option>|<option>rawpost</option>}][
<emphasis>chain</emphasis>... ]</term>
<listitem>
<para>The rules in each <emphasis>chain</emphasis> are
displayed using the <command>ip6tables -L</command>
<emphasis>chain</emphasis> <emphasis role="bold">-n
-v</emphasis> command. If no <emphasis>chain</emphasis> is
given, all of the chains in the filter table are displayed.
The <option>-x</option> option is passed directly through to
ip6tables and causes actual packet and byte counts to be
displayed. Without this option, those counts are abbreviated.
The <option>-t</option> option specifies the Netfilter table
to display. The default is <emphasis
role="bold">filter</emphasis>.</para>
<para>The <option>-b</option> ('brief') option causes rules
which have not been used (i.e. which have zero packet and byte
counts) to be omitted from the output. Chains with no rules
displayed are also omitted from the output.</para>
<para>The <option>-l</option> option causes the rule number
for each Netfilter rule to be displayed.</para>
<para>If the <option>-t</option> option and the
<option>chain</option> keyword are both omitted and any of the
listed <replaceable>chain</replaceable>s do not exist, a usage
message is displayed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis
role="bold">classifiers|filters</emphasis></term>
<listitem>
<para>Displays information about the packet classifiers
defined on the system as a result of traffic shaping
configuration.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">config</emphasis></term>
<listitem>
<para>Displays distribution-specific defaults.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">connections
[<replaceable>filter_parameter</replaceable>
...]</emphasis></term>
<listitem>
<para>Displays the IP connections currently being tracked by
the firewall.</para>
<para>If the <command>conntrack</command> utility is
installed, beginning with Shorewall 4.6.11 the set of
connections displayed can be limited by including conntrack
filter parameters (-p , -s, --dport, etc). See conntrack(8)
for details.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">event</emphasis><replaceable>
event</replaceable></term>
<listitem>
<para>Added in Shorewall 4.5.19. Displays the named
event.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">events</emphasis></term>
<listitem>
<para>Added in Shorewall 4.5.19. Displays all events.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">ip</emphasis></term>
<listitem>
<para>Displays the system's IPv6 configuration.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>[-<option>m</option>] <emphasis
role="bold">log</emphasis></term>
<listitem>
<para>Displays the last 20 Shorewall6 messages from the log
file specified by the LOGFILE option in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).
The <option>-m</option> option causes the MAC address of each
packet source to be displayed if that information is
available.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">macros</emphasis></term>
<listitem>
<para>Displays information about each macro defined on the
firewall system.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">macro
</emphasis><replaceable>macro</replaceable></term>
<listitem>
<para>Added in Shorewall 4.4.6. Displays the file that
implements the specified <replaceable>macro</replaceable>
(usually
<filename>/usr/share/shorewall6/macro</filename>.<replaceable>macro</replaceable>).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>[-<option>x</option>] <emphasis
role="bold">mangle</emphasis></term>
<listitem>
<para>Displays the Netfilter mangle table using the command
<command>ip6tables -t mangle -L -n -v</command>.The
<option>-x</option> option is passed directly through to
ip6tables and causes actual packet and byte counts to be
displayed. Without this option, those counts are
abbreviated.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">marks</emphasis></term>
<listitem>
<para>Added in Shorewall 4.4.26. Displays the various fields
in packet marks giving the min and max value (in both decimal
and hex) and the applicable mask (in hex).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>[-<option>x</option>] <emphasis
role="bold">nat</emphasis></term>
<listitem>
<para>Displays the Netfilter nat table using the command
<emphasis role="bold">ip6tables -t nat -L -n -v</emphasis>.
The <emphasis role="bold">-x</emphasis> option is passed
directly through to ip6tables and causes actual packet and
byte counts to be displayed. Without this option, those counts
are abbreviated.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">opens</emphasis></term>
<listitem>
<para>Added in Shorewall 4.5.8. Displays the iptables rules in
the 'dynamic' chain created through use of the <command>open
</command>command..</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">policies</emphasis></term>
<listitem>
<para>Added in Shorewall 4.4.4. Displays the applicable policy
between each pair of zones. Note that implicit intrazone
ACCEPT policies are not displayed for zones associated with a
single network where that network doesn't specify
<option>routeback</option>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>[-<option>x</option>] <emphasis
role="bold">raw</emphasis></term>
<listitem>
<para>Displays the Netfilter raw table using the command
<emphasis role="bold">ip6tables -t raw -L -n -v</emphasis>.
The <emphasis role="bold">-x</emphasis> option is passed
directly through to ip6tables and causes actual packet and
byte counts to be displayed. Without this option, those counts
are abbreviated.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">[-<option>c</option>]<emphasis
role="bold"> </emphasis>routing</emphasis></term>
<listitem>
<para>Displays the system's IPv6 routing configuration. The -c
option causes the route cache to be displayed in addition to
the other routing information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">tc</emphasis></term>
<listitem>
<para>Displays information about queuing disciplines, classes
and filters.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">zones</emphasis></term>
<listitem>
<para>Displays the current composition of the Shorewall6 zones
on the system.</para>
</listitem>
</varlistentry>
</variablelist>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">start </emphasis><emphasis role="bold">
</emphasis>[-<option>n</option>] [-<option>p</option>]
[-<option>d</option>] [-<option>f</option>] [-<option>c</option>]
[-<option>T</option>] [-<option>i</option>] [-<option>C</option>] [
<replaceable>directory</replaceable> ]</term>
<listitem>
<para>Start shorewall6. Existing connections through shorewall6
managed interfaces are untouched. New connections will be allowed
only if they are allowed by the firewall rules or policies. If a
<replaceable>directory</replaceable> is included in the command,
Shorewall6 will look in that <emphasis>directory</emphasis> first
for configuration files. If <option>-f</option> is specified, the
saved configuration specified by the RESTOREFILE option in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5)
will be restored if that saved configuration exists and has been
modified more recently than the files in <filename
class="directory">/etc/shorewall6</filename>. When <option>-f
</option> is given, a <replaceable>directory</replaceable> may not
be specified.</para>
<para>Update: In Shorewall6 4.4.20, a new LEGACY_FASTSTART option
was added to <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).
When LEGACY_FASTSTART=No, the modification times of files in
<filename class="directory">/etc/shorewall6</filename> are compared
with that of <filename>/var/lib/shorewall6/firewall </filename> (the
compiled script that last started/restarted the firewall).</para>
<para>The <option>-n</option> option causes Shorewall6 to avoid
updating the routing table(s).</para>
<para>The <option>-c</option> option was added in Shorewall 4.4.20
and performs the compilation step unconditionally, overriding the
AUTOMAKE setting in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).
When both <option>-f</option> and <option>-c</option> are present,
the result is determined by the option that appears last.</para>
<para>The <option>-T</option> option was added in Shorewall 4.5.3
and causes a Perl stack trace to be included with each
compiler-generated error and warning message.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5).</para>
<para>The <option>-C</option> option was added in Shorewall 4.6.5
and is only meaningful when the <option>-f</option> option is also
specified. If the previously-saved configuration is restored, and if
the <option>-C</option> option was also specified in the
<command>save</command> command, then the packet and byte counters
will be restored along with the chains and rules.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">stop
</emphasis>[-<option>f</option>]</term>
<listitem>
<para>Stops the firewall. All existing connections, except those
listed in <ulink
url="/manpages6/shorewall6-routestopped.html">shorewall6-routestopped</ulink>(5)
or permitted by the ADMINISABSENTMINDED option in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf</ulink>(5),
are taken down. The only new traffic permitted through the firewall
is from systems listed in <ulink
url="/manpages6/shorewall6-routestopped.html">shorewall6-routestopped</ulink>(5)
or by ADMINISABSENTMINDED.</para>
<para>If <option>-f</option> is given, the command will be processed
by the compiled script that executed the last successful <emphasis
role="bold">start</emphasis>, <emphasis
role="bold">restart</emphasis> or <emphasis
role="bold">refresh</emphasis> command if that script exists.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">status</emphasis></term>
<listitem>
<para>Produces a short report about the state of the
Shorewall6-configured firewall.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.2
and causes the status of each optional or provider interface to be
displayed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">try
</emphasis><replaceable>directory</replaceable> [
<replaceable>timeout</replaceable> ]</term>
<listitem>
<para>If Shorewall6 is started then the firewall state is saved to a
temporary saved configuration
(<filename>/var/lib/shorewall6/.try</filename>). Next, if Shorewall6
is currently started then a <emphasis role="bold">restart</emphasis>
command is issued using the specified configuration
<replaceable>directory</replaceable>; otherwise, a <emphasis
role="bold">start</emphasis> command is performed using the
specified configuration <replaceable>directory</replaceable>. If an
error occurs during the compilation phase of the <emphasis
role="bold">restart</emphasis> or <emphasis role="bold">start
</emphasis>, the command terminates without changing the Shorewall6
state. If an error occurs during the <emphasis role="bold">restart
</emphasis> phase, then a <command>shorewall6 restore</command> is
performed using the saved configuration. If an error occurs during
the <emphasis role="bold">start</emphasis> phase, then Shorewall6 is
cleared. If the <emphasis role="bold">start</emphasis>/ <emphasis
role="bold">restart</emphasis> succeeds and a
<replaceable>timeout</replaceable> is specified then a <emphasis
role="bold">clear</emphasis> or <emphasis role="bold">restore
</emphasis> is performed after <replaceable>timeout</replaceable>
seconds.</para>
<para>Beginning with Shorewall 4.5.0, the numeric
<replaceable>timeout</replaceable> may optionally be followed by an
<option>s</option>, <option>m</option> or <option>h</option> suffix
(e.g., 5m) to specify seconds, minutes or hours respectively. If the
suffix is omitted, seconds is assumed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">update </emphasis>[-<option>b</option>]
[-<option>d</option>] [-<option>r</option>] [-<option>T</option>]
[-<option>a</option>] [-<option>D</option>] [-<option>i</option>]
[-<option>t</option>] [-<option>A</option>] [
<replaceable>directory</replaceable> ]</term>
<listitem>
<para>Added in Shorewall 4.4.21 and causes the compiler to update
<filename>/etc/shorewall6/shorewall6.conf</filename> then validate
the configuration. The update will add options not present in the
existing file with their default values, and will move deprecated
options with non-defaults to a deprecated options section at the
bottom of the file. Your existing
<filename>shorewall6.conf</filename> file is renamed
<filename>shorewall6.conf.bak</filename>.</para>
<para>The <option>-a</option> option causes the updated
<filename>shorewall6.conf</filename> file to be annotated with
documentation.</para>
<para>The <option>-b</option> option was added in Shorewall 4.4.26
and causes legacy blacklisting rules (<ulink
url="/manpages6/shorewall6-blacklist.html">shorewall6-blacklist</ulink>
(5) ) to be converted to entries in the blrules file (<ulink
url="/manpages6/shorewall6-blrules.html">shorewall6-blrules</ulink>
(5) ). The blacklist keyword is removed from <ulink
url="/manpages6/shorewall6-zones.html">shorewall6-zones</ulink> (5),
<ulink
url="/manpages6/shorewall6-interfaces.html">shorewall6-interfaces</ulink>
(5) and <ulink
url="/manpages6/shorewall6-hosts.html">shorewall6-hosts</ulink> (5).
The unmodified files are saved with a .bak suffix.</para>
<para>The <option>-D</option> option was added in Shorewall 4.5.11.
When this option is specified, the compiler will walk through the
directories in the CONFIG_PATH replacing FORMAT and COMMENT entries
to compiler directives (e.g., ?FORMAT and ?COMMENT). When a file is
updated, the original is saved in a .bak file in the same
directory.</para>
<para>The <option>-i</option> option was added in Shorewall 4.6.0
and causes a warning message to be issued if the current line
contains alternative input specifications following a semicolon
(";"). Such lines will be handled incorrectly if INLINE_MATCHES is
set to Yes in <ulink
url="/manpages6/shorewall6.conf.html">shorewall6.conf(5)</ulink>.</para>
<para>The <option>-t</option> option was added in Shorewall 4.6.0.
When specified, <option>-t</option> causes <ulink
url="shorewall6-tcrules.html">shorewall6-tcrules(5)</ulink> to be
converted to <ulink
url="shorewall6-mangle.html">shorewall6-mangle(5)</ulink>. The old
file is renamed with a .bak suffix.</para>
<important>
<para>There are some notable restrictions with the
<option>-t</option> option:</para>
<orderedlist>
<listitem>
<para>Converted rules will be appended to the existing
<filename>mangle</filename> file; if there is no
<filename>mangle</filename> file in the CONFIG_PATH, one will
be created in <filename
class="directory">/etc/shorewall6</filename>.</para>
</listitem>
<listitem>
<para>Existing comments in the <filename>tcrules</filename>
file will not be transferred to the
<filename>mangle</filename> file.</para>
</listitem>
<listitem>
<para>INCLUDEd files will be expanded inline in the
<filename>mangle</filename> file.</para>
</listitem>
<listitem>
<para>Columns in the <filename>mangle</filename> file will be
separated by a single tab character; there is no attempt made
to otherwise align the columns.</para>
</listitem>
</orderedlist>
</important>
<para>The <option>-A</option> option was added in Shorewall 4.6.0
and is equivalent to specifying the <option>-b</option>,
<option>-D</option> and the <option>-t</option> options.</para>
<para>For a description of the other options, see the <emphasis
role="bold">check</emphasis> command above.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">version
[-<option>a</option>]</emphasis></term>
<listitem>
<para>Displays Shorewall6's version. If the <option>-a</option>
option is included, the version of Shorewall will also be
displayed.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>EXIT STATUS</title>
<para>In general, when a command succeeds, status 0 is returned; when the
command fails, a non-zero status is returned.</para>
<para>The <command>status</command> command returns exit status as
follows:</para>
<para>0 - Firewall is started.</para>
<para>3 - Firewall is stopped or cleared</para>
<para>4 - Unknown state; usually means that the firewall has never been
started.</para>
</refsect1>
<refsect1>
<title>See ALSO</title>
<para><ulink
url="/starting_and_stopping_shorewall.htm">http://www.shorewall.net/starting_and_stopping_shorewall.htm</ulink></para>
<para>shorewall6-accounting(5), shorewall6-actions(5),
shorewall6-blacklist(5), shorewall6-hosts(5), shorewall6-interfaces(5),
shorewall6-maclist(5), shorewall6-netmap(5),shorewall6-params(5),
shorewall6-policy(5), shorewall6-providers(5), shorewall6-rtrules(5),
shorewall6-routestopped(5), shorewall6-rules(5), shorewall6.conf(5),
shorewall6-secmarks(5), shorewall6-tcclasses(5), shorewall6-tcdevices(5),
shorewall6-tcrules(5), shorewall6-tos(5), shorewall6-tunnels(5),
shorewall6-zones(5)</para>
</refsect1>
</refentry>
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