<?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-rtrules</refentrytitle> <manvolnum>5</manvolnum> </refmeta> <refnamediv> <refname>rtrules</refname> <refpurpose>Shorewall6 Routing Rules file</refpurpose> </refnamediv> <refsynopsisdiv> <cmdsynopsis> <command>/etc/shorewall6/rtrules</command> </cmdsynopsis> </refsynopsisdiv> <refsect1> <title>Description</title> <para>Entries in this file cause traffic to be routed to one of the providers listed in <ulink url="shorewall6-providers.html">shorewall6-providers</ulink>(5).</para> <para>The columns in the file are as follows.</para> <variablelist> <varlistentry> <term><emphasis role="bold">SOURCE</emphasis> (Optional) - {<emphasis role="bold">-</emphasis>|<emphasis>interface</emphasis>|<emphasis>address</emphasis>|<emphasis>interface</emphasis><firstterm>:</firstterm><emphasis><address</emphasis>>}</term> <listitem> <para>An ip <emphasis>address</emphasis> (network or host) that matches the source IP address in a packet. May also be specified as an <emphasis>interface</emphasis> name optionally followed by ":" and an address. If the device <emphasis role="bold">lo</emphasis> is specified, the packet must originate from the firewall itself.</para> <para>Beginning with Shorewall 4.5.0, you may specify &<replaceable>interface</replaceable> in this column to indicate that the source is the primary IP address of the named interface.</para> </listitem> </varlistentry> <varlistentry> <term><emphasis role="bold">DEST</emphasis> (Optional) - {<emphasis role="bold">-</emphasis>|<emphasis>address</emphasis>}</term> <listitem> <para>An ip address (network or host) that matches the destination IP address in a packet.</para> <para>If you choose to omit either <emphasis role="bold">SOURCE</emphasis> or <emphasis role="bold">DEST</emphasis>, place "-" in that column. Note that you may not omit both <emphasis role="bold">SOURCE</emphasis> and <emphasis role="bold">DEST</emphasis>.</para> </listitem> </varlistentry> <varlistentry> <term><emphasis role="bold">PROVIDER</emphasis> - {<emphasis>provider-name</emphasis>|<emphasis>provider-number</emphasis>|<emphasis role="bold">main</emphasis>}</term> <listitem> <para>The provider to route the traffic through. May be expressed either as the provider name or the provider number. May also be <emphasis role="bold">main</emphasis> or 254 for the main routing table. This can be used in combination with VPN tunnels, see example 2 below.</para> </listitem> </varlistentry> <varlistentry> <term><emphasis role="bold">PRIORITY</emphasis> - <emphasis>priority</emphasis></term> <listitem> <para>The rule's numeric <emphasis>priority</emphasis> which determines the order in which the rules are processed. Rules with equal priority are applied in the order in which they appear in the file.</para> <variablelist> <varlistentry> <term>1000-1999</term> <listitem> <para>Before Shorewall6-generated 'MARK' rules</para> </listitem> </varlistentry> <varlistentry> <term>11000-11999</term> <listitem> <para>After 'MARK' rules but before Shorewall6-generated rules for ISP interfaces.</para> </listitem> </varlistentry> <varlistentry> <term>26000-26999</term> <listitem> <para>After ISP interface rules but before 'default' rule.</para> </listitem> </varlistentry> </variablelist> </listitem> </varlistentry> <varlistentry> <term><emphasis role="bold">MARK - {-|<replaceable>mark</replaceable>[/<replaceable>mask</replaceable>]}</emphasis></term> <listitem> <para>Optional -- added in Shorewall 4.4.25. For this rule to be applied to a packet, the packet's mark value must match the <replaceable>mark</replaceable> when logically anded with the <replaceable>mask</replaceable>. If a <replaceable>mask</replaceable> is not supplied, Shorewall supplies a suitable provider mask.</para> </listitem> </varlistentry> </variablelist> </refsect1> <refsect1> <title>Examples</title> <variablelist> <varlistentry> <term>Example 1:</term> <listitem> <para>You want all traffic coming in on eth1 to be routed to the ISP1 provider.</para> <programlisting> #SOURCE DEST PROVIDER PRIORITY MASK eth1 - ISP1 1000 </programlisting> </listitem> </varlistentry> </variablelist> </refsect1> <refsect1> <title>FILES</title> <para>/etc/shorewall6/rtrules</para> </refsect1> <refsect1> <title>See ALSO</title> <para><ulink url="http://shorewall.net/MultiISP.html">http://shorewall.net/MultiISP.html</ulink></para> <para>shorewall6(8), shorewall6-accounting(5), shorewall6-actions(5), shorewall6-blacklist(5), shorewall6-hosts(5), shorewall6-interfaces(5), shorewall6-maclist(5), shoewall6-netmap(5),shorewall6-params(5), shorewall6-policy(5), shorewall6-providers(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>