shorewall_code/Shorewall/manpages/shorewall-routes.xml

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<refentry>
  <refmeta>
    <refentrytitle>shorewall-routes</refentrytitle>

    <manvolnum>5</manvolnum>

    <refmiscinfo>Configuration Files</refmiscinfo>
  </refmeta>

  <refnamediv>
    <refname>routes</refname>

    <refpurpose>Shorewall file</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <cmdsynopsis>
      <command>/etc/shorewall[6]/routes</command>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <para>This file was added in Shorewall 4.4.15 and is used to define routes
    to be added to provider routing tables.</para>

    <para>The columns in the file are as follows.</para>

    <variablelist>
      <varlistentry>
        <term><emphasis role="bold">PROVIDER</emphasis></term>

        <listitem>
          <para>The name or number of a provider defined in <ulink
          url="shorewall-providers.html">shorewall-providers</ulink>
          (5). Beginning with Shorewall 4.5.14, you may also enter
          <option>main</option> in this column to add routes to the main
          routing table.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis role="bold">DEST</emphasis></term>

        <listitem>
          <para>Destination host address or network address.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis role="bold">GATEWAY</emphasis> (Optional)</term>

        <listitem>
          <para>If specified, gives the IP address of the gateway to the
          DEST.</para>

          <para>Beginning with Shorewall 4.5.14, you may specify
          <option>blackhole</option> in this column to create a
          <firstterm>blackhole</firstterm> route.</para>

          <para>Beginning with Shorewall 4.5.15, you may specify
          <option>prohibit</option> or <option>unreachable</option> in this
          column to create a <firstterm>prohibit</firstterm> or
          <firstterm>unreachable</firstterm> route respectively.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis role="bold">DEVICE</emphasis> (Optional)</term>

        <listitem>
          <para>Specifies the device route. If neither DEVICE nor GATEWAY is
          given, then the INTERFACE specified for the PROVIDER in <ulink
          url="shorewall-providers.html">shorewall-providers</ulink>
          (5). This column must be omitted if <option>blackhole</option>,
          <option>prohibit</option> or <option>unreachable</option> is
          specified in the GATEWAY column.</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis role="bold">OPTIONS</emphasis> (Optional)</term>

        <listitem>
          <para>Added in Shorewall 5.0.2.</para>

          <para>Allowed options are:</para>

          <variablelist>
            <varlistentry>
              <term><emphasis role="bold">persistent</emphasis></term>

              <listitem>
                <para>If specified, the route remains in the provider's
                routing table even when the provider is disabled.</para>
              </listitem>
            </varlistentry>
          </variablelist>
        </listitem>
      </varlistentry>
    </variablelist>
  </refsect1>

  <refsect1>
    <title>FILES</title>

    <para>/etc/shorewall/routes</para>

    <para>/etc/shorewall6/routes</para>
  </refsect1>

  <refsect1>
    <title>See ALSO</title>

    <para><ulink
    url="../configuration_file_basics.htm#Pairs">https://shorewall.org/configuration_file_basics.htm#Pairs</ulink></para>

    <para>shorewall(8)</para>
  </refsect1>
</refentry>